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.r297-tall-167873950500508.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 PolyORBLF-PT-S02J04T10, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873950500508
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 19K Feb 26 13:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Feb 26 13:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 25K Feb 26 13:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 139K Feb 26 13:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 9.9K Feb 25 16:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 41K Feb 25 16:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Feb 25 16:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 25 16:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 54K Feb 26 14:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 249K Feb 26 14:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 65K Feb 26 14:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 329K Feb 26 14:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 16:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.6K Feb 25 16:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 906K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-00
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-01
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-02
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-03
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-04
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-05
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-06
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-07
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-08
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-09
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-10
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-11
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-12
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-13
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-14
FORMULA_NAME PolyORBLF-PT-S02J04T10-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679545860286

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=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PolyORBLF-PT-S02J04T10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-23 04:31:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-23 04:31:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 04:31:02] [INFO ] Load time of PNML (sax parser for PT used): 122 ms
[2023-03-23 04:31:02] [INFO ] Transformed 752 places.
[2023-03-23 04:31:02] [INFO ] Transformed 1572 transitions.
[2023-03-23 04:31:02] [INFO ] Parsed PT model containing 752 places and 1572 transitions and 7262 arcs in 208 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 160 transitions
Reduce redundant transitions removed 160 transitions.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 222 out of 752 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 752/752 places, 1412/1412 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 743 transition count 1403
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 743 transition count 1403
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 27 place count 734 transition count 1394
Iterating global reduction 0 with 9 rules applied. Total rules applied 36 place count 734 transition count 1394
Applied a total of 36 rules in 139 ms. Remains 734 /752 variables (removed 18) and now considering 1394/1412 (removed 18) transitions.
[2023-03-23 04:31:02] [INFO ] Flow matrix only has 1374 transitions (discarded 20 similar events)
// Phase 1: matrix 1374 rows 734 cols
[2023-03-23 04:31:02] [INFO ] Computed 54 place invariants in 94 ms
[2023-03-23 04:31:04] [INFO ] Dead Transitions using invariants and state equation in 2074 ms found 110 transitions.
Found 110 dead transitions using SMT.
Drop transitions removed 110 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 110 transitions.
[2023-03-23 04:31:04] [INFO ] Flow matrix only has 1264 transitions (discarded 20 similar events)
// Phase 1: matrix 1264 rows 734 cols
[2023-03-23 04:31:04] [INFO ] Computed 54 place invariants in 46 ms
[2023-03-23 04:31:05] [INFO ] Implicit Places using invariants in 532 ms returned []
[2023-03-23 04:31:05] [INFO ] Flow matrix only has 1264 transitions (discarded 20 similar events)
[2023-03-23 04:31:05] [INFO ] Invariant cache hit.
[2023-03-23 04:31:06] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:31:12] [INFO ] Implicit Places using invariants and state equation in 6758 ms returned []
Implicit Place search using SMT with State Equation took 7293 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 734/752 places, 1284/1412 transitions.
Reduce places removed 2 places and 20 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 732 transition count 1264
Reduce places removed 9 places and 20 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 11 place count 723 transition count 1244
Deduced a syphon composed of 11 places in 2 ms
Applied a total of 11 rules in 17 ms. Remains 723 /734 variables (removed 11) and now considering 1244/1284 (removed 40) transitions.
[2023-03-23 04:31:12] [INFO ] Flow matrix only has 1224 transitions (discarded 20 similar events)
// Phase 1: matrix 1224 rows 723 cols
[2023-03-23 04:31:12] [INFO ] Computed 65 place invariants in 29 ms
[2023-03-23 04:31:12] [INFO ] Implicit Places using invariants in 453 ms returned []
[2023-03-23 04:31:12] [INFO ] Flow matrix only has 1224 transitions (discarded 20 similar events)
[2023-03-23 04:31:12] [INFO ] Invariant cache hit.
[2023-03-23 04:31:13] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:31:17] [INFO ] Implicit Places using invariants and state equation in 5116 ms returned []
Implicit Place search using SMT with State Equation took 5575 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 723/752 places, 1244/1412 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 15132 ms. Remains : 723/752 places, 1244/1412 transitions.
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Support contains 209 out of 712 places after structural reductions.
[2023-03-23 04:31:18] [INFO ] Flatten gal took : 137 ms
[2023-03-23 04:31:18] [INFO ] Flatten gal took : 114 ms
[2023-03-23 04:31:18] [INFO ] Input system was already deterministic with 1244 transitions.
Support contains 198 out of 712 places (down from 209) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 3 resets, run finished after 313 ms. (steps per millisecond=31 ) properties (out of 22) seen :19
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 80 ms. (steps per millisecond=125 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-23 04:31:19] [INFO ] Flow matrix only has 1224 transitions (discarded 20 similar events)
// Phase 1: matrix 1224 rows 712 cols
[2023-03-23 04:31:19] [INFO ] Computed 54 place invariants in 17 ms
[2023-03-23 04:31:19] [INFO ] [Real]Absence check using 17 positive place invariants in 32 ms returned sat
[2023-03-23 04:31:19] [INFO ] [Real]Absence check using 17 positive and 37 generalized place invariants in 30 ms returned sat
[2023-03-23 04:31:23] [INFO ] After 4163ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0 real:1
[2023-03-23 04:31:23] [INFO ] [Nat]Absence check using 17 positive place invariants in 28 ms returned sat
[2023-03-23 04:31:23] [INFO ] [Nat]Absence check using 17 positive and 37 generalized place invariants in 35 ms returned sat
[2023-03-23 04:31:28] [INFO ] After 4480ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :1
[2023-03-23 04:31:28] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:31:31] [INFO ] After 3115ms SMT Verify possible using 120 Read/Feed constraints in natural domain returned unsat :1 sat :1
[2023-03-23 04:31:32] [INFO ] Deduced a trap composed of 437 places in 352 ms of which 8 ms to minimize.
[2023-03-23 04:31:32] [INFO ] Deduced a trap composed of 23 places in 366 ms of which 1 ms to minimize.
[2023-03-23 04:31:33] [INFO ] Deduced a trap composed of 307 places in 363 ms of which 1 ms to minimize.
[2023-03-23 04:31:33] [INFO ] Deduced a trap composed of 417 places in 338 ms of which 2 ms to minimize.
[2023-03-23 04:31:34] [INFO ] Deduced a trap composed of 217 places in 338 ms of which 1 ms to minimize.
[2023-03-23 04:31:34] [INFO ] Deduced a trap composed of 219 places in 315 ms of which 1 ms to minimize.
[2023-03-23 04:31:35] [INFO ] Deduced a trap composed of 427 places in 313 ms of which 1 ms to minimize.
[2023-03-23 04:31:36] [INFO ] Deduced a trap composed of 451 places in 350 ms of which 1 ms to minimize.
[2023-03-23 04:31:36] [INFO ] Deduced a trap composed of 213 places in 341 ms of which 1 ms to minimize.
[2023-03-23 04:31:37] [INFO ] Deduced a trap composed of 164 places in 324 ms of which 1 ms to minimize.
[2023-03-23 04:31:37] [INFO ] Deduced a trap composed of 224 places in 325 ms of which 1 ms to minimize.
[2023-03-23 04:31:38] [INFO ] Deduced a trap composed of 452 places in 316 ms of which 1 ms to minimize.
[2023-03-23 04:31:39] [INFO ] Deduced a trap composed of 233 places in 325 ms of which 1 ms to minimize.
[2023-03-23 04:31:39] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 13 trap constraints in 8009 ms
[2023-03-23 04:31:39] [INFO ] After 11843ms SMT Verify possible using trap constraints in natural domain returned unsat :2 sat :0
[2023-03-23 04:31:39] [INFO ] After 16534ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :0
Fused 2 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 2 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 40 out of 712 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 0 with 62 rules applied. Total rules applied 62 place count 710 transition count 1182
Reduce places removed 62 places and 0 transitions.
Iterating post reduction 1 with 62 rules applied. Total rules applied 124 place count 648 transition count 1182
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 124 place count 648 transition count 1102
Deduced a syphon composed of 80 places in 2 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 284 place count 568 transition count 1102
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 2 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 2 with 120 rules applied. Total rules applied 404 place count 508 transition count 1042
Applied a total of 404 rules in 154 ms. Remains 508 /712 variables (removed 204) and now considering 1042/1244 (removed 202) transitions.
[2023-03-23 04:31:40] [INFO ] Flow matrix only has 1022 transitions (discarded 20 similar events)
// Phase 1: matrix 1022 rows 508 cols
[2023-03-23 04:31:40] [INFO ] Computed 52 place invariants in 13 ms
[2023-03-23 04:31:41] [INFO ] Dead Transitions using invariants and state equation in 908 ms found 0 transitions.
[2023-03-23 04:31:41] [INFO ] Flow matrix only has 1022 transitions (discarded 20 similar events)
[2023-03-23 04:31:41] [INFO ] Invariant cache hit.
[2023-03-23 04:31:41] [INFO ] Implicit Places using invariants in 517 ms returned [3, 64, 127, 183, 263, 291, 353, 388, 395, 456]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 520 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 498/712 places, 1042/1244 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 489 transition count 1033
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 489 transition count 1033
Applied a total of 18 rules in 41 ms. Remains 489 /498 variables (removed 9) and now considering 1033/1042 (removed 9) transitions.
[2023-03-23 04:31:41] [INFO ] Flow matrix only has 1013 transitions (discarded 20 similar events)
// Phase 1: matrix 1013 rows 489 cols
[2023-03-23 04:31:41] [INFO ] Computed 42 place invariants in 13 ms
[2023-03-23 04:31:42] [INFO ] Implicit Places using invariants in 541 ms returned []
[2023-03-23 04:31:42] [INFO ] Flow matrix only has 1013 transitions (discarded 20 similar events)
[2023-03-23 04:31:42] [INFO ] Invariant cache hit.
[2023-03-23 04:31:42] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:31:49] [INFO ] Implicit Places using invariants and state equation in 7071 ms returned []
Implicit Place search using SMT with State Equation took 7631 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 489/712 places, 1033/1244 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 9263 ms. Remains : 489/712 places, 1033/1244 transitions.
Stuttering acceptance computed with spot in 191 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-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:(AND (OR (AND (GEQ s66 1) (GEQ s375 1) (GEQ s443 1)) (AND (GEQ s66 1) (GEQ s383 1) (GEQ s443 1)) (AND (GEQ s66 1) (GEQ s252 1) (GEQ s443 1)) (AND (GEQ ...], 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 3199 steps with 0 reset in 60 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-00 finished in 9575 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 11 out of 712 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 72 transitions
Trivial Post-agglo rules discarded 72 transitions
Performed 72 trivial Post agglomeration. Transition count delta: 72
Iterating post reduction 0 with 72 rules applied. Total rules applied 72 place count 710 transition count 1172
Reduce places removed 72 places and 0 transitions.
Iterating post reduction 1 with 72 rules applied. Total rules applied 144 place count 638 transition count 1172
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 144 place count 638 transition count 1092
Deduced a syphon composed of 80 places in 2 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 304 place count 558 transition count 1092
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 3 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 464 place count 478 transition count 1012
Applied a total of 464 rules in 72 ms. Remains 478 /712 variables (removed 234) and now considering 1012/1244 (removed 232) transitions.
[2023-03-23 04:31:49] [INFO ] Flow matrix only has 992 transitions (discarded 20 similar events)
// Phase 1: matrix 992 rows 478 cols
[2023-03-23 04:31:49] [INFO ] Computed 52 place invariants in 11 ms
[2023-03-23 04:31:50] [INFO ] Dead Transitions using invariants and state equation in 883 ms found 0 transitions.
[2023-03-23 04:31:50] [INFO ] Flow matrix only has 992 transitions (discarded 20 similar events)
[2023-03-23 04:31:50] [INFO ] Invariant cache hit.
[2023-03-23 04:31:51] [INFO ] Implicit Places using invariants in 530 ms returned [3, 57, 118, 169, 245, 272, 330, 362, 369, 426]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 533 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 468/712 places, 1012/1244 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 459 transition count 1003
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 459 transition count 1003
Applied a total of 18 rules in 35 ms. Remains 459 /468 variables (removed 9) and now considering 1003/1012 (removed 9) transitions.
[2023-03-23 04:31:51] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
// Phase 1: matrix 983 rows 459 cols
[2023-03-23 04:31:51] [INFO ] Computed 42 place invariants in 12 ms
[2023-03-23 04:31:51] [INFO ] Implicit Places using invariants in 534 ms returned []
[2023-03-23 04:31:51] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:31:51] [INFO ] Invariant cache hit.
[2023-03-23 04:31:52] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:32:03] [INFO ] Implicit Places using invariants and state equation in 11853 ms returned []
Implicit Place search using SMT with State Equation took 12391 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 459/712 places, 1003/1244 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 13918 ms. Remains : 459/712 places, 1003/1244 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (AND (GEQ s76 1) (GEQ s246 1)) (AND (GEQ s76 1) (GEQ s367 1)) (AND (GEQ s76 1) (GEQ s101 1)) (AND (GEQ s76 1) (GEQ s196 1)) (AND (GEQ s76 1) (GEQ s...], 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]]
Stuttering criterion allowed to conclude after 1329 steps with 0 reset in 20 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-01 finished in 13994 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X(F(p0))||G(p1))))'
Support contains 71 out of 712 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 710 transition count 1244
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 709 transition count 1243
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 709 transition count 1243
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 708 transition count 1242
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 708 transition count 1242
Applied a total of 6 rules in 47 ms. Remains 708 /712 variables (removed 4) and now considering 1242/1244 (removed 2) transitions.
[2023-03-23 04:32:03] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
// Phase 1: matrix 1222 rows 708 cols
[2023-03-23 04:32:03] [INFO ] Computed 52 place invariants in 17 ms
[2023-03-23 04:32:05] [INFO ] Dead Transitions using invariants and state equation in 1559 ms found 0 transitions.
[2023-03-23 04:32:05] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:05] [INFO ] Invariant cache hit.
[2023-03-23 04:32:05] [INFO ] Implicit Places using invariants in 602 ms returned [4, 100, 184, 266, 375, 412, 498, 547, 556, 633]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 607 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 698/712 places, 1242/1244 transitions.
Applied a total of 0 rules in 9 ms. Remains 698 /698 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2224 ms. Remains : 698/712 places, 1242/1244 transitions.
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, 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:(AND (OR (LT s4 1) (LT s206 1)) (OR (LT s281 1) (LT s571 1)) (OR (LT s126 1) (LT s206 1)) (OR (LT s75 1) (LT s558 1)) (OR (LT s57 1) (LT s640 1)) (OR (...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 1249 ms.
Product exploration explored 100000 steps with 50000 reset in 1088 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 (NOT p0)))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p1 p0)
Knowledge based reduction with 5 factoid took 168 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-03 finished in 4850 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)&&F(G(p1)))))'
Support contains 41 out of 712 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 52 transitions
Trivial Post-agglo rules discarded 52 transitions
Performed 52 trivial Post agglomeration. Transition count delta: 52
Iterating post reduction 0 with 52 rules applied. Total rules applied 52 place count 710 transition count 1192
Reduce places removed 52 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 1 with 62 rules applied. Total rules applied 114 place count 658 transition count 1182
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 124 place count 648 transition count 1182
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 90 Pre rules applied. Total rules applied 124 place count 648 transition count 1092
Deduced a syphon composed of 90 places in 1 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 3 with 180 rules applied. Total rules applied 304 place count 558 transition count 1092
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 364 place count 528 transition count 1062
Applied a total of 364 rules in 64 ms. Remains 528 /712 variables (removed 184) and now considering 1062/1244 (removed 182) transitions.
[2023-03-23 04:32:08] [INFO ] Flow matrix only has 1042 transitions (discarded 20 similar events)
// Phase 1: matrix 1042 rows 528 cols
[2023-03-23 04:32:08] [INFO ] Computed 52 place invariants in 16 ms
[2023-03-23 04:32:09] [INFO ] Dead Transitions using invariants and state equation in 1010 ms found 0 transitions.
[2023-03-23 04:32:09] [INFO ] Flow matrix only has 1042 transitions (discarded 20 similar events)
[2023-03-23 04:32:09] [INFO ] Invariant cache hit.
[2023-03-23 04:32:10] [INFO ] Implicit Places using invariants in 565 ms returned []
[2023-03-23 04:32:10] [INFO ] Flow matrix only has 1042 transitions (discarded 20 similar events)
[2023-03-23 04:32:10] [INFO ] Invariant cache hit.
[2023-03-23 04:32:10] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:32:17] [INFO ] Implicit Places using invariants and state equation in 7784 ms returned []
Implicit Place search using SMT with State Equation took 8351 ms to find 0 implicit places.
[2023-03-23 04:32:18] [INFO ] Redundant transitions in 71 ms returned []
[2023-03-23 04:32:18] [INFO ] Flow matrix only has 1042 transitions (discarded 20 similar events)
[2023-03-23 04:32:18] [INFO ] Invariant cache hit.
[2023-03-23 04:32:19] [INFO ] Dead Transitions using invariants and state equation in 948 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 528/712 places, 1062/1244 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 10457 ms. Remains : 528/712 places, 1062/1244 transitions.
Stuttering acceptance computed with spot in 118 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-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=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(AND (LT s177 1) (LT s270 1) (LT s527 1) (LT s66 1) (LT s155 1) (LT s31 1) (LT s518 1) (LT s402 1) (LT s521 1) (LT s450 1) (LT s203 1) (LT s273 1) (LT ...], 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 34 reset in 576 ms.
Stack based approach found an accepted trace after 451 steps with 0 reset with depth 452 and stack size 452 in 4 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-04 finished in 11175 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((F(p1)||p0)))))'
Support contains 20 out of 712 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 710 transition count 1244
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 709 transition count 1243
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 709 transition count 1243
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 708 transition count 1242
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 708 transition count 1242
Applied a total of 6 rules in 30 ms. Remains 708 /712 variables (removed 4) and now considering 1242/1244 (removed 2) transitions.
[2023-03-23 04:32:19] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
// Phase 1: matrix 1222 rows 708 cols
[2023-03-23 04:32:19] [INFO ] Computed 52 place invariants in 23 ms
[2023-03-23 04:32:21] [INFO ] Dead Transitions using invariants and state equation in 1453 ms found 0 transitions.
[2023-03-23 04:32:21] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:21] [INFO ] Invariant cache hit.
[2023-03-23 04:32:21] [INFO ] Implicit Places using invariants in 684 ms returned [4, 100, 184, 266, 375, 412, 498, 547, 556, 633]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 688 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 698/712 places, 1242/1244 transitions.
Applied a total of 0 rules in 13 ms. Remains 698 /698 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2187 ms. Remains : 698/712 places, 1242/1244 transitions.
Stuttering acceptance computed with spot in 142 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (GEQ s601 1) (GEQ s437 1) (GEQ s662 1) (GEQ s668 1) (GEQ s592 1) (GEQ s68 1) (GEQ s506 1) (GEQ s358 1) (GEQ s443 1) (GEQ s385 1)), p1:(AND (LT s200...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 169 reset in 476 ms.
Product exploration explored 100000 steps with 188 reset in 466 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 128 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 164 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Finished random walk after 12 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=6 )
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (NOT p1))]
Knowledge based reduction with 3 factoid took 176 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 129 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 20 out of 698 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 698/698 places, 1242/1242 transitions.
Applied a total of 0 rules in 10 ms. Remains 698 /698 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-23 04:32:23] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
// Phase 1: matrix 1222 rows 698 cols
[2023-03-23 04:32:23] [INFO ] Computed 42 place invariants in 17 ms
[2023-03-23 04:32:25] [INFO ] Dead Transitions using invariants and state equation in 1494 ms found 0 transitions.
[2023-03-23 04:32:25] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:25] [INFO ] Invariant cache hit.
[2023-03-23 04:32:25] [INFO ] Implicit Places using invariants in 675 ms returned []
[2023-03-23 04:32:25] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:25] [INFO ] Invariant cache hit.
[2023-03-23 04:32:26] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:32:34] [INFO ] Implicit Places using invariants and state equation in 8504 ms returned []
Implicit Place search using SMT with State Equation took 9182 ms to find 0 implicit places.
[2023-03-23 04:32:34] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:34] [INFO ] Invariant cache hit.
[2023-03-23 04:32:36] [INFO ] Dead Transitions using invariants and state equation in 1528 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12219 ms. Remains : 698/698 places, 1242/1242 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 140 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Finished random walk after 1171 steps, including 0 resets, run visited all 2 properties in 18 ms. (steps per millisecond=65 )
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (NOT p1))]
Knowledge based reduction with 3 factoid took 160 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 146 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 131 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 164 reset in 458 ms.
Product exploration explored 100000 steps with 128 reset in 466 ms.
Applying partial POR strategy [false, false, true, true]
Stuttering acceptance computed with spot in 151 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 20 out of 698 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 698/698 places, 1242/1242 transitions.
Performed 44 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 44 rules applied. Total rules applied 44 place count 698 transition count 1242
Performed 86 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 86 Pre rules applied. Total rules applied 44 place count 698 transition count 1332
Deduced a syphon composed of 130 places in 1 ms
Iterating global reduction 1 with 86 rules applied. Total rules applied 130 place count 698 transition count 1332
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 150 place count 678 transition count 1312
Deduced a syphon composed of 110 places in 1 ms
Iterating global reduction 1 with 20 rules applied. Total rules applied 170 place count 678 transition count 1312
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 190 places in 1 ms
Iterating global reduction 1 with 80 rules applied. Total rules applied 250 place count 678 transition count 1312
Discarding 39 places :
Symmetric choice reduction at 1 with 39 rule applications. Total rules 289 place count 639 transition count 1273
Deduced a syphon composed of 160 places in 1 ms
Iterating global reduction 1 with 39 rules applied. Total rules applied 328 place count 639 transition count 1273
Deduced a syphon composed of 160 places in 1 ms
Applied a total of 328 rules in 125 ms. Remains 639 /698 variables (removed 59) and now considering 1273/1242 (removed -31) transitions.
[2023-03-23 04:32:38] [INFO ] Flow matrix only has 1253 transitions (discarded 20 similar events)
// Phase 1: matrix 1253 rows 639 cols
[2023-03-23 04:32:38] [INFO ] Computed 42 place invariants in 19 ms
[2023-03-23 04:32:39] [INFO ] Dead Transitions using invariants and state equation in 1268 ms found 0 transitions.
[2023-03-23 04:32:39] [INFO ] Redundant transitions in 35 ms returned []
[2023-03-23 04:32:39] [INFO ] Flow matrix only has 1253 transitions (discarded 20 similar events)
[2023-03-23 04:32:39] [INFO ] Invariant cache hit.
[2023-03-23 04:32:40] [INFO ] Dead Transitions using invariants and state equation in 1232 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 639/698 places, 1273/1242 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2665 ms. Remains : 639/698 places, 1273/1242 transitions.
Support contains 20 out of 698 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 698/698 places, 1242/1242 transitions.
Applied a total of 0 rules in 12 ms. Remains 698 /698 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2023-03-23 04:32:40] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
// Phase 1: matrix 1222 rows 698 cols
[2023-03-23 04:32:40] [INFO ] Computed 42 place invariants in 16 ms
[2023-03-23 04:32:42] [INFO ] Dead Transitions using invariants and state equation in 1535 ms found 0 transitions.
[2023-03-23 04:32:42] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:42] [INFO ] Invariant cache hit.
[2023-03-23 04:32:43] [INFO ] Implicit Places using invariants in 701 ms returned []
[2023-03-23 04:32:43] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:43] [INFO ] Invariant cache hit.
[2023-03-23 04:32:43] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:32:51] [INFO ] Implicit Places using invariants and state equation in 8004 ms returned []
Implicit Place search using SMT with State Equation took 8707 ms to find 0 implicit places.
[2023-03-23 04:32:51] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:32:51] [INFO ] Invariant cache hit.
[2023-03-23 04:32:52] [INFO ] Dead Transitions using invariants and state equation in 1518 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11775 ms. Remains : 698/698 places, 1242/1242 transitions.
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-05 finished in 33042 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 11 out of 712 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 72 transitions
Trivial Post-agglo rules discarded 72 transitions
Performed 72 trivial Post agglomeration. Transition count delta: 72
Iterating post reduction 0 with 72 rules applied. Total rules applied 72 place count 710 transition count 1172
Reduce places removed 72 places and 0 transitions.
Iterating post reduction 1 with 72 rules applied. Total rules applied 144 place count 638 transition count 1172
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 144 place count 638 transition count 1092
Deduced a syphon composed of 80 places in 1 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 304 place count 558 transition count 1092
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 1 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 464 place count 478 transition count 1012
Applied a total of 464 rules in 62 ms. Remains 478 /712 variables (removed 234) and now considering 1012/1244 (removed 232) transitions.
[2023-03-23 04:32:52] [INFO ] Flow matrix only has 992 transitions (discarded 20 similar events)
// Phase 1: matrix 992 rows 478 cols
[2023-03-23 04:32:52] [INFO ] Computed 52 place invariants in 12 ms
[2023-03-23 04:32:53] [INFO ] Dead Transitions using invariants and state equation in 908 ms found 0 transitions.
[2023-03-23 04:32:53] [INFO ] Flow matrix only has 992 transitions (discarded 20 similar events)
[2023-03-23 04:32:53] [INFO ] Invariant cache hit.
[2023-03-23 04:32:54] [INFO ] Implicit Places using invariants in 530 ms returned [3, 57, 118, 169, 245, 272, 330, 362, 369, 426]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 532 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 468/712 places, 1012/1244 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 459 transition count 1003
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 459 transition count 1003
Applied a total of 18 rules in 24 ms. Remains 459 /468 variables (removed 9) and now considering 1003/1012 (removed 9) transitions.
[2023-03-23 04:32:54] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
// Phase 1: matrix 983 rows 459 cols
[2023-03-23 04:32:54] [INFO ] Computed 42 place invariants in 13 ms
[2023-03-23 04:32:54] [INFO ] Implicit Places using invariants in 514 ms returned []
[2023-03-23 04:32:54] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:32:54] [INFO ] Invariant cache hit.
[2023-03-23 04:32:55] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:33:09] [INFO ] Implicit Places using invariants and state equation in 14220 ms returned []
Implicit Place search using SMT with State Equation took 14735 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 459/712 places, 1003/1244 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 16262 ms. Remains : 459/712 places, 1003/1244 transitions.
Stuttering acceptance computed with spot in 76 ms :[p0, p0]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (AND (GEQ s76 1) (GEQ s246 1)) (AND (GEQ s76 1) (GEQ s367 1)) (AND (GEQ s76 1) (GEQ s101 1)) (AND (GEQ s76 1) (GEQ s196 1)) (AND (GEQ s76 1) (GEQ s...], 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 42 reset in 540 ms.
Product exploration explored 100000 steps with 47 reset in 515 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 101 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 66 ms :[p0, p0]
Finished random walk after 7115 steps, including 2 resets, run visited all 1 properties in 65 ms. (steps per millisecond=109 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 133 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 64 ms :[p0, p0]
Stuttering acceptance computed with spot in 63 ms :[p0, p0]
Support contains 11 out of 459 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 459/459 places, 1003/1003 transitions.
Applied a total of 0 rules in 23 ms. Remains 459 /459 variables (removed 0) and now considering 1003/1003 (removed 0) transitions.
[2023-03-23 04:33:10] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:10] [INFO ] Invariant cache hit.
[2023-03-23 04:33:11] [INFO ] Dead Transitions using invariants and state equation in 848 ms found 0 transitions.
[2023-03-23 04:33:11] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:11] [INFO ] Invariant cache hit.
[2023-03-23 04:33:12] [INFO ] Implicit Places using invariants in 507 ms returned []
[2023-03-23 04:33:12] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:12] [INFO ] Invariant cache hit.
[2023-03-23 04:33:12] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:33:21] [INFO ] Implicit Places using invariants and state equation in 9898 ms returned []
Implicit Place search using SMT with State Equation took 10406 ms to find 0 implicit places.
[2023-03-23 04:33:22] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-23 04:33:22] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:22] [INFO ] Invariant cache hit.
[2023-03-23 04:33:22] [INFO ] Dead Transitions using invariants and state equation in 751 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 12051 ms. Remains : 459/459 places, 1003/1003 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 97 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 74 ms :[p0, p0]
Finished random walk after 2363 steps, including 1 resets, run visited all 1 properties in 22 ms. (steps per millisecond=107 )
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 63 ms :[p0, p0]
Stuttering acceptance computed with spot in 63 ms :[p0, p0]
Stuttering acceptance computed with spot in 66 ms :[p0, p0]
Product exploration explored 100000 steps with 59 reset in 483 ms.
Product exploration explored 100000 steps with 45 reset in 534 ms.
Support contains 11 out of 459 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 459/459 places, 1003/1003 transitions.
Applied a total of 0 rules in 24 ms. Remains 459 /459 variables (removed 0) and now considering 1003/1003 (removed 0) transitions.
[2023-03-23 04:33:24] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:24] [INFO ] Invariant cache hit.
[2023-03-23 04:33:25] [INFO ] Dead Transitions using invariants and state equation in 830 ms found 0 transitions.
[2023-03-23 04:33:25] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:25] [INFO ] Invariant cache hit.
[2023-03-23 04:33:25] [INFO ] Implicit Places using invariants in 522 ms returned []
[2023-03-23 04:33:25] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:25] [INFO ] Invariant cache hit.
[2023-03-23 04:33:26] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:33:38] [INFO ] Implicit Places using invariants and state equation in 13245 ms returned []
Implicit Place search using SMT with State Equation took 13769 ms to find 0 implicit places.
[2023-03-23 04:33:38] [INFO ] Redundant transitions in 20 ms returned []
[2023-03-23 04:33:38] [INFO ] Flow matrix only has 983 transitions (discarded 20 similar events)
[2023-03-23 04:33:38] [INFO ] Invariant cache hit.
[2023-03-23 04:33:39] [INFO ] Dead Transitions using invariants and state equation in 798 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 15463 ms. Remains : 459/459 places, 1003/1003 transitions.
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-06 finished in 47112 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&G(p1))))'
Support contains 3 out of 712 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 710 transition count 1244
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 709 transition count 1243
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 709 transition count 1243
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 708 transition count 1242
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 708 transition count 1242
Applied a total of 6 rules in 26 ms. Remains 708 /712 variables (removed 4) and now considering 1242/1244 (removed 2) transitions.
[2023-03-23 04:33:39] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
// Phase 1: matrix 1222 rows 708 cols
[2023-03-23 04:33:39] [INFO ] Computed 52 place invariants in 16 ms
[2023-03-23 04:33:41] [INFO ] Dead Transitions using invariants and state equation in 1441 ms found 0 transitions.
[2023-03-23 04:33:41] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:33:41] [INFO ] Invariant cache hit.
[2023-03-23 04:33:42] [INFO ] Implicit Places using invariants in 709 ms returned [4, 100, 184, 266, 375, 412, 498, 547, 556, 633]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 712 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 698/712 places, 1242/1244 transitions.
Applied a total of 0 rules in 9 ms. Remains 698 /698 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2190 ms. Remains : 698/712 places, 1242/1244 transitions.
Stuttering acceptance computed with spot in 171 ms :[true, (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(OR (NOT p1) (NOT p0)), acceptance={} source=2 dest: 0}, { cond=(AND p1 p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={} source=3 dest: 0}, { cond=p1, acceptance={} source=3 dest: 2}], [{ cond=(NOT p1), acceptance={} source=4 dest: 0}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=1, aps=[p1:(AND (GEQ s43 2) (GEQ s322 1)), p0:(GEQ s374 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][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-08 finished in 2380 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' '!((((!p0&&X((!p0 U (p1||G(!p0))))) U !p1) U p2))'
Support contains 6 out of 712 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 70 transitions
Trivial Post-agglo rules discarded 70 transitions
Performed 70 trivial Post agglomeration. Transition count delta: 70
Iterating post reduction 0 with 70 rules applied. Total rules applied 70 place count 710 transition count 1174
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 140 place count 640 transition count 1174
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 140 place count 640 transition count 1094
Deduced a syphon composed of 80 places in 1 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 300 place count 560 transition count 1094
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 0 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 460 place count 480 transition count 1014
Applied a total of 460 rules in 53 ms. Remains 480 /712 variables (removed 232) and now considering 1014/1244 (removed 230) transitions.
[2023-03-23 04:33:42] [INFO ] Flow matrix only has 994 transitions (discarded 20 similar events)
// Phase 1: matrix 994 rows 480 cols
[2023-03-23 04:33:42] [INFO ] Computed 52 place invariants in 13 ms
[2023-03-23 04:33:43] [INFO ] Dead Transitions using invariants and state equation in 835 ms found 0 transitions.
[2023-03-23 04:33:43] [INFO ] Flow matrix only has 994 transitions (discarded 20 similar events)
[2023-03-23 04:33:43] [INFO ] Invariant cache hit.
[2023-03-23 04:33:43] [INFO ] Implicit Places using invariants in 529 ms returned [3, 57, 118, 169, 246, 273, 331, 363, 371, 428]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 531 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 470/712 places, 1014/1244 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 462 transition count 1006
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 462 transition count 1006
Applied a total of 16 rules in 24 ms. Remains 462 /470 variables (removed 8) and now considering 1006/1014 (removed 8) transitions.
[2023-03-23 04:33:43] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
// Phase 1: matrix 986 rows 462 cols
[2023-03-23 04:33:43] [INFO ] Computed 42 place invariants in 17 ms
[2023-03-23 04:33:44] [INFO ] Implicit Places using invariants in 523 ms returned []
[2023-03-23 04:33:44] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:33:44] [INFO ] Invariant cache hit.
[2023-03-23 04:33:45] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:33:56] [INFO ] Implicit Places using invariants and state equation in 12508 ms returned []
Implicit Place search using SMT with State Equation took 13033 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 462/712 places, 1006/1244 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 14477 ms. Remains : 462/712 places, 1006/1244 transitions.
Stuttering acceptance computed with spot in 143 ms :[(NOT p2), true, (AND (NOT p1) p0), p1]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) (NOT p0))), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) p1 p0), acceptance={0} source=0 dest: 1}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={0} source=0 dest: 2}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={0} source=0 dest: 3}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 2}], [{ cond=(AND p1 p0), acceptance={0} source=3 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={0} source=3 dest: 2}, { cond=(AND p1 (NOT p0)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(OR (GEQ s352 1) (AND (GEQ s17 1) (GEQ s301 1))), p1:(LT s352 1), p0:(AND (GEQ s78 1) (GEQ s161 1) (GEQ s387 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 28599 reset in 444 ms.
Product exploration explored 100000 steps with 28547 reset in 482 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) p1 (NOT p0)), (X (OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p2) p1 p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 p0))), (X (AND p1 (NOT p0))), (X (AND (NOT p2) p1 (NOT p0))), (X (X (OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) (NOT p0))))), true, (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (AND (NOT p2) p1 (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 703 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter insensitive) to 4 states, 10 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 143 ms :[(NOT p2), true, (AND p0 (NOT p1)), p1]
Incomplete random walk after 10000 steps, including 6 resets, run finished after 97 ms. (steps per millisecond=103 ) properties (out of 7) seen :6
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-23 04:33:58] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:33:58] [INFO ] Invariant cache hit.
[2023-03-23 04:33:58] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2023-03-23 04:33:58] [INFO ] [Real]Absence check using 15 positive and 27 generalized place invariants in 25 ms returned sat
[2023-03-23 04:33:58] [INFO ] After 107ms SMT Verify possible using all constraints in real 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 (NOT p2) p1 (NOT p0)), (X (OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) (NOT p0)))), (X (NOT (AND (NOT p2) p1 p0))), (X (NOT (AND (NOT p1) p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND p1 p0))), (X (AND p1 (NOT p0))), (X (AND (NOT p2) p1 (NOT p0))), (X (X (OR (AND (NOT p2) (NOT p1)) (AND (NOT p2) (NOT p0))))), true, (X (X (NOT (AND (NOT p2) p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (AND p1 (NOT p0)))), (X (X (AND (NOT p2) p1 (NOT p0)))), (G (NOT (AND p0 (NOT p1))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (NOT (AND (NOT p0) p1))), (F (AND p0 p1)), (F (NOT (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))))), (F (NOT (AND (NOT p0) p1 (NOT p2)))), (F (AND p0 p1 (NOT p2)))]
Knowledge based reduction with 17 factoid took 847 ms. Reduced automaton from 4 states, 10 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p2), true, (OR p1 p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p2), true, (OR p1 p0)]
[2023-03-23 04:33:59] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:34:00] [INFO ] Invariant cache hit.
[2023-03-23 04:34:00] [INFO ] [Real]Absence check using 15 positive place invariants in 15 ms returned sat
[2023-03-23 04:34:00] [INFO ] [Real]Absence check using 15 positive and 27 generalized place invariants in 91 ms returned sat
[2023-03-23 04:34:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 04:34:02] [INFO ] [Real]Absence check using state equation in 2302 ms returned sat
[2023-03-23 04:34:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 04:34:03] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2023-03-23 04:34:03] [INFO ] [Nat]Absence check using 15 positive and 27 generalized place invariants in 41 ms returned sat
[2023-03-23 04:34:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 04:34:06] [INFO ] [Nat]Absence check using state equation in 2876 ms returned sat
[2023-03-23 04:34:06] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:34:07] [INFO ] [Nat]Added 120 Read/Feed constraints in 831 ms returned sat
[2023-03-23 04:34:07] [INFO ] Deduced a trap composed of 40 places in 232 ms of which 0 ms to minimize.
[2023-03-23 04:34:07] [INFO ] Deduced a trap composed of 38 places in 60 ms of which 0 ms to minimize.
[2023-03-23 04:34:08] [INFO ] Deduced a trap composed of 39 places in 50 ms of which 1 ms to minimize.
[2023-03-23 04:34:08] [INFO ] Deduced a trap composed of 38 places in 63 ms of which 1 ms to minimize.
[2023-03-23 04:34:08] [INFO ] Deduced a trap composed of 38 places in 32 ms of which 0 ms to minimize.
[2023-03-23 04:34:08] [INFO ] Deduced a trap composed of 38 places in 46 ms of which 0 ms to minimize.
[2023-03-23 04:34:08] [INFO ] Deduced a trap composed of 39 places in 42 ms of which 0 ms to minimize.
[2023-03-23 04:34:08] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1495 ms
[2023-03-23 04:34:08] [INFO ] Computed and/alt/rep : 344/714/334 causal constraints (skipped 650 transitions) in 86 ms.
[2023-03-23 04:34:10] [INFO ] Added : 134 causal constraints over 27 iterations in 1767 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 6 out of 462 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 462/462 places, 1006/1006 transitions.
Applied a total of 0 rules in 19 ms. Remains 462 /462 variables (removed 0) and now considering 1006/1006 (removed 0) transitions.
[2023-03-23 04:34:10] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:34:10] [INFO ] Invariant cache hit.
[2023-03-23 04:34:11] [INFO ] Dead Transitions using invariants and state equation in 819 ms found 0 transitions.
[2023-03-23 04:34:11] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:34:11] [INFO ] Invariant cache hit.
[2023-03-23 04:34:11] [INFO ] Implicit Places using invariants in 499 ms returned []
[2023-03-23 04:34:11] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:34:11] [INFO ] Invariant cache hit.
[2023-03-23 04:34:12] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:34:18] [INFO ] Implicit Places using invariants and state equation in 6380 ms returned []
Implicit Place search using SMT with State Equation took 6887 ms to find 0 implicit places.
[2023-03-23 04:34:18] [INFO ] Redundant transitions in 16 ms returned []
[2023-03-23 04:34:18] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:34:18] [INFO ] Invariant cache hit.
[2023-03-23 04:34:19] [INFO ] Dead Transitions using invariants and state equation in 825 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 8573 ms. Remains : 462/462 places, 1006/1006 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1), (X (AND (NOT p2) (NOT p0))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (AND (NOT p2) (NOT p0) p1)), (X (X (AND (NOT p2) (NOT p0)))), true, (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p0) p1)))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 472 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 89 ms :[(NOT p2), true, (OR p1 p0)]
Finished random walk after 1170 steps, including 0 resets, run visited all 5 properties in 19 ms. (steps per millisecond=61 )
Knowledge obtained : [(AND (NOT p2) (NOT p0) p1), (X (AND (NOT p2) (NOT p0))), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (AND (NOT p2) (NOT p0) p1)), (X (X (AND (NOT p2) (NOT p0)))), true, (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT p0))), (X (X (AND (NOT p2) (NOT p0) p1)))]
False Knowledge obtained : [(F (NOT (AND (NOT p0) p1))), (F p0), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) p1 (NOT p2)))), (F (AND p0 (NOT p2)))]
Knowledge based reduction with 12 factoid took 548 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 83 ms :[(NOT p2), true, (OR p1 p0)]
Stuttering acceptance computed with spot in 76 ms :[(NOT p2), true, (OR p1 p0)]
[2023-03-23 04:34:20] [INFO ] Flow matrix only has 986 transitions (discarded 20 similar events)
[2023-03-23 04:34:20] [INFO ] Invariant cache hit.
[2023-03-23 04:34:20] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2023-03-23 04:34:20] [INFO ] [Real]Absence check using 15 positive and 27 generalized place invariants in 94 ms returned sat
[2023-03-23 04:34:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 04:34:23] [INFO ] [Real]Absence check using state equation in 2305 ms returned sat
[2023-03-23 04:34:23] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 04:34:23] [INFO ] [Nat]Absence check using 15 positive place invariants in 9 ms returned sat
[2023-03-23 04:34:23] [INFO ] [Nat]Absence check using 15 positive and 27 generalized place invariants in 43 ms returned sat
[2023-03-23 04:34:23] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 04:34:26] [INFO ] [Nat]Absence check using state equation in 2937 ms returned sat
[2023-03-23 04:34:26] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:34:27] [INFO ] [Nat]Added 120 Read/Feed constraints in 827 ms returned sat
[2023-03-23 04:34:27] [INFO ] Deduced a trap composed of 40 places in 219 ms of which 0 ms to minimize.
[2023-03-23 04:34:28] [INFO ] Deduced a trap composed of 38 places in 56 ms of which 0 ms to minimize.
[2023-03-23 04:34:28] [INFO ] Deduced a trap composed of 39 places in 52 ms of which 0 ms to minimize.
[2023-03-23 04:34:28] [INFO ] Deduced a trap composed of 38 places in 44 ms of which 0 ms to minimize.
[2023-03-23 04:34:28] [INFO ] Deduced a trap composed of 38 places in 34 ms of which 1 ms to minimize.
[2023-03-23 04:34:28] [INFO ] Deduced a trap composed of 38 places in 38 ms of which 0 ms to minimize.
[2023-03-23 04:34:29] [INFO ] Deduced a trap composed of 39 places in 39 ms of which 0 ms to minimize.
[2023-03-23 04:34:29] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 1450 ms
[2023-03-23 04:34:29] [INFO ] Computed and/alt/rep : 344/714/334 causal constraints (skipped 650 transitions) in 81 ms.
[2023-03-23 04:34:30] [INFO ] Added : 134 causal constraints over 27 iterations in 1715 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 75 ms :[(NOT p2), true, (OR p1 p0)]
Stuttering criterion allowed to conclude after 707 steps with 2 reset in 7 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-10 finished in 48658 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' '!((p0 U X(X(p1))))'
Support contains 4 out of 712 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 710 transition count 1244
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 709 transition count 1243
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 709 transition count 1243
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 708 transition count 1242
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 708 transition count 1242
Applied a total of 6 rules in 28 ms. Remains 708 /712 variables (removed 4) and now considering 1242/1244 (removed 2) transitions.
[2023-03-23 04:34:30] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
// Phase 1: matrix 1222 rows 708 cols
[2023-03-23 04:34:30] [INFO ] Computed 52 place invariants in 27 ms
[2023-03-23 04:34:32] [INFO ] Dead Transitions using invariants and state equation in 1582 ms found 0 transitions.
[2023-03-23 04:34:32] [INFO ] Flow matrix only has 1222 transitions (discarded 20 similar events)
[2023-03-23 04:34:32] [INFO ] Invariant cache hit.
[2023-03-23 04:34:33] [INFO ] Implicit Places using invariants in 691 ms returned [4, 100, 184, 266, 375, 412, 547, 556, 633]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 702 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 699/712 places, 1242/1244 transitions.
Applied a total of 0 rules in 8 ms. Remains 699 /699 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 2323 ms. Remains : 699/712 places, 1242/1244 transitions.
Stuttering acceptance computed with spot in 203 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 3}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=(NOT p0), acceptance={} source=2 dest: 5}, { cond=p0, acceptance={} source=2 dest: 6}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 1}, { cond=p0, acceptance={} source=4 dest: 2}], [{ cond=(NOT p1), acceptance={} source=5 dest: 0}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=6 dest: 5}, { cond=(AND p0 (NOT p1)), acceptance={0} source=6 dest: 6}]], initial=4, aps=[p1:(OR (GEQ s662 1) (AND (GEQ s38 1) (GEQ s492 1) (GEQ s543 1))), p0:(LT s662 1)], 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, null][false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 2815 steps with 14 reset in 17 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-13 finished in 2562 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||G(p1)))))'
Support contains 6 out of 712 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 42 transitions
Trivial Post-agglo rules discarded 42 transitions
Performed 42 trivial Post agglomeration. Transition count delta: 42
Iterating post reduction 0 with 42 rules applied. Total rules applied 42 place count 711 transition count 1202
Reduce places removed 42 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 1 with 52 rules applied. Total rules applied 94 place count 669 transition count 1192
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 104 place count 659 transition count 1192
Performed 89 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 89 Pre rules applied. Total rules applied 104 place count 659 transition count 1103
Deduced a syphon composed of 89 places in 1 ms
Reduce places removed 89 places and 0 transitions.
Iterating global reduction 3 with 178 rules applied. Total rules applied 282 place count 570 transition count 1103
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 342 place count 540 transition count 1073
Applied a total of 342 rules in 60 ms. Remains 540 /712 variables (removed 172) and now considering 1073/1244 (removed 171) transitions.
[2023-03-23 04:34:33] [INFO ] Flow matrix only has 1053 transitions (discarded 20 similar events)
// Phase 1: matrix 1053 rows 540 cols
[2023-03-23 04:34:33] [INFO ] Computed 53 place invariants in 16 ms
[2023-03-23 04:34:34] [INFO ] Dead Transitions using invariants and state equation in 1002 ms found 0 transitions.
[2023-03-23 04:34:34] [INFO ] Flow matrix only has 1053 transitions (discarded 20 similar events)
[2023-03-23 04:34:34] [INFO ] Invariant cache hit.
[2023-03-23 04:34:35] [INFO ] Implicit Places using invariants in 585 ms returned [3, 71, 138, 197, 283, 312, 378, 413, 420, 484]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 587 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 530/712 places, 1073/1244 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 522 transition count 1065
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 522 transition count 1065
Applied a total of 16 rules in 26 ms. Remains 522 /530 variables (removed 8) and now considering 1065/1073 (removed 8) transitions.
[2023-03-23 04:34:35] [INFO ] Flow matrix only has 1045 transitions (discarded 20 similar events)
// Phase 1: matrix 1045 rows 522 cols
[2023-03-23 04:34:35] [INFO ] Computed 43 place invariants in 17 ms
[2023-03-23 04:34:35] [INFO ] Implicit Places using invariants in 583 ms returned []
[2023-03-23 04:34:35] [INFO ] Flow matrix only has 1045 transitions (discarded 20 similar events)
[2023-03-23 04:34:35] [INFO ] Invariant cache hit.
[2023-03-23 04:34:36] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:34:46] [INFO ] Implicit Places using invariants and state equation in 10279 ms returned []
Implicit Place search using SMT with State Equation took 10863 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 522/712 places, 1065/1244 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 12539 ms. Remains : 522/712 places, 1065/1244 transitions.
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-14 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:(AND (GEQ s31 1) (GEQ s335 1)), p0:(AND (GEQ s66 1) (GEQ s74 1) (GEQ s108 1) (GEQ s285 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 10266 steps with 246 reset in 54 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-14 finished in 12676 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 2 out of 712 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 70 transitions
Trivial Post-agglo rules discarded 70 transitions
Performed 70 trivial Post agglomeration. Transition count delta: 70
Iterating post reduction 0 with 70 rules applied. Total rules applied 70 place count 710 transition count 1174
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 140 place count 640 transition count 1174
Performed 81 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 81 Pre rules applied. Total rules applied 140 place count 640 transition count 1093
Deduced a syphon composed of 81 places in 1 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 2 with 162 rules applied. Total rules applied 302 place count 559 transition count 1093
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 1 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 460 place count 480 transition count 1014
Applied a total of 460 rules in 51 ms. Remains 480 /712 variables (removed 232) and now considering 1014/1244 (removed 230) transitions.
[2023-03-23 04:34:46] [INFO ] Flow matrix only has 994 transitions (discarded 20 similar events)
// Phase 1: matrix 994 rows 480 cols
[2023-03-23 04:34:46] [INFO ] Computed 52 place invariants in 17 ms
[2023-03-23 04:34:47] [INFO ] Dead Transitions using invariants and state equation in 887 ms found 0 transitions.
[2023-03-23 04:34:47] [INFO ] Flow matrix only has 994 transitions (discarded 20 similar events)
[2023-03-23 04:34:47] [INFO ] Invariant cache hit.
[2023-03-23 04:34:47] [INFO ] Implicit Places using invariants in 601 ms returned [3, 57, 118, 170, 246, 273, 331, 363, 370, 427]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 603 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 470/712 places, 1014/1244 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 461 transition count 1005
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 461 transition count 1005
Applied a total of 18 rules in 22 ms. Remains 461 /470 variables (removed 9) and now considering 1005/1014 (removed 9) transitions.
[2023-03-23 04:34:47] [INFO ] Flow matrix only has 985 transitions (discarded 20 similar events)
// Phase 1: matrix 985 rows 461 cols
[2023-03-23 04:34:47] [INFO ] Computed 42 place invariants in 17 ms
[2023-03-23 04:34:48] [INFO ] Implicit Places using invariants in 551 ms returned []
[2023-03-23 04:34:48] [INFO ] Flow matrix only has 985 transitions (discarded 20 similar events)
[2023-03-23 04:34:48] [INFO ] Invariant cache hit.
[2023-03-23 04:34:48] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:34:54] [INFO ] Implicit Places using invariants and state equation in 6435 ms returned []
Implicit Place search using SMT with State Equation took 6987 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 461/712 places, 1005/1244 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 8553 ms. Remains : 461/712 places, 1005/1244 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (GEQ s278 2) (GEQ s432 1))], 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]]
Stuttering criterion allowed to conclude after 61 steps with 0 reset in 1 ms.
FORMULA PolyORBLF-PT-S02J04T10-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-15 finished in 8616 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G((F(p1)||p0)))))'
Found a Lengthening insensitive property : PolyORBLF-PT-S02J04T10-LTLFireability-05
Stuttering acceptance computed with spot in 125 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 20 out of 712 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 712/712 places, 1244/1244 transitions.
Ensure Unique test removed 2 places
Drop transitions removed 52 transitions
Trivial Post-agglo rules discarded 52 transitions
Performed 52 trivial Post agglomeration. Transition count delta: 52
Iterating post reduction 0 with 52 rules applied. Total rules applied 52 place count 710 transition count 1192
Reduce places removed 52 places and 0 transitions.
Iterating post reduction 1 with 52 rules applied. Total rules applied 104 place count 658 transition count 1192
Performed 80 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 80 Pre rules applied. Total rules applied 104 place count 658 transition count 1112
Deduced a syphon composed of 80 places in 1 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 264 place count 578 transition count 1112
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 1 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 424 place count 498 transition count 1032
Applied a total of 424 rules in 48 ms. Remains 498 /712 variables (removed 214) and now considering 1032/1244 (removed 212) transitions.
[2023-03-23 04:34:55] [INFO ] Flow matrix only has 1012 transitions (discarded 20 similar events)
// Phase 1: matrix 1012 rows 498 cols
[2023-03-23 04:34:55] [INFO ] Computed 52 place invariants in 16 ms
[2023-03-23 04:34:55] [INFO ] Dead Transitions using invariants and state equation in 904 ms found 0 transitions.
[2023-03-23 04:34:55] [INFO ] Flow matrix only has 1012 transitions (discarded 20 similar events)
[2023-03-23 04:34:55] [INFO ] Invariant cache hit.
[2023-03-23 04:34:56] [INFO ] Implicit Places using invariants in 575 ms returned [3, 60, 123, 176, 254, 283, 344, 377, 384, 444]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 576 ms to find 10 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 488/712 places, 1032/1244 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 479 transition count 1023
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 479 transition count 1023
Applied a total of 18 rules in 22 ms. Remains 479 /488 variables (removed 9) and now considering 1023/1032 (removed 9) transitions.
[2023-03-23 04:34:56] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
// Phase 1: matrix 1003 rows 479 cols
[2023-03-23 04:34:56] [INFO ] Computed 42 place invariants in 14 ms
[2023-03-23 04:34:57] [INFO ] Implicit Places using invariants in 546 ms returned []
[2023-03-23 04:34:57] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:34:57] [INFO ] Invariant cache hit.
[2023-03-23 04:34:57] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:35:06] [INFO ] Implicit Places using invariants and state equation in 9478 ms returned []
Implicit Place search using SMT with State Equation took 10031 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 479/712 places, 1023/1244 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 11583 ms. Remains : 479/712 places, 1023/1244 transitions.
Running random walk in product with property : PolyORBLF-PT-S02J04T10-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (GEQ s409 1) (GEQ s300 1) (GEQ s458 1) (GEQ s462 1) (GEQ s403 1) (GEQ s43 1) (GEQ s342 1) (GEQ s241 1) (GEQ s303 1) (GEQ s260 1)), p1:(AND (LT s130...], 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, null][false, false, false, false]]
Product exploration explored 100000 steps with 325 reset in 527 ms.
Product exploration explored 100000 steps with 357 reset in 546 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 131 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Finished random walk after 11 steps, including 0 resets, run visited all 2 properties in 1 ms. (steps per millisecond=11 )
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (NOT p1))]
Knowledge based reduction with 3 factoid took 150 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 137 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 20 out of 479 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 479/479 places, 1023/1023 transitions.
Applied a total of 0 rules in 9 ms. Remains 479 /479 variables (removed 0) and now considering 1023/1023 (removed 0) transitions.
[2023-03-23 04:35:08] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:08] [INFO ] Invariant cache hit.
[2023-03-23 04:35:09] [INFO ] Dead Transitions using invariants and state equation in 859 ms found 0 transitions.
[2023-03-23 04:35:09] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:09] [INFO ] Invariant cache hit.
[2023-03-23 04:35:09] [INFO ] Implicit Places using invariants in 524 ms returned []
[2023-03-23 04:35:09] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:09] [INFO ] Invariant cache hit.
[2023-03-23 04:35:10] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:35:16] [INFO ] Implicit Places using invariants and state equation in 6837 ms returned []
Implicit Place search using SMT with State Equation took 7362 ms to find 0 implicit places.
[2023-03-23 04:35:16] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:16] [INFO ] Invariant cache hit.
[2023-03-23 04:35:17] [INFO ] Dead Transitions using invariants and state equation in 842 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9082 ms. Remains : 479/479 places, 1023/1023 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 120 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 134 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Finished random walk after 118 steps, including 0 resets, run visited all 2 properties in 3 ms. (steps per millisecond=39 )
Knowledge obtained : [(AND (NOT p0) p1), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (NOT p1))]
Knowledge based reduction with 3 factoid took 181 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 4 states, 5 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Product exploration explored 100000 steps with 312 reset in 521 ms.
Product exploration explored 100000 steps with 377 reset in 541 ms.
Applying partial POR strategy [false, false, true, true]
Stuttering acceptance computed with spot in 145 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Support contains 20 out of 479 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 479/479 places, 1023/1023 transitions.
Applied a total of 0 rules in 19 ms. Remains 479 /479 variables (removed 0) and now considering 1023/1023 (removed 0) transitions.
[2023-03-23 04:35:19] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:19] [INFO ] Invariant cache hit.
[2023-03-23 04:35:20] [INFO ] Dead Transitions using invariants and state equation in 857 ms found 0 transitions.
[2023-03-23 04:35:20] [INFO ] Redundant transitions in 15 ms returned []
[2023-03-23 04:35:20] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:20] [INFO ] Invariant cache hit.
[2023-03-23 04:35:21] [INFO ] Dead Transitions using invariants and state equation in 850 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1753 ms. Remains : 479/479 places, 1023/1023 transitions.
Support contains 20 out of 479 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 479/479 places, 1023/1023 transitions.
Applied a total of 0 rules in 10 ms. Remains 479 /479 variables (removed 0) and now considering 1023/1023 (removed 0) transitions.
[2023-03-23 04:35:21] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:21] [INFO ] Invariant cache hit.
[2023-03-23 04:35:22] [INFO ] Dead Transitions using invariants and state equation in 857 ms found 0 transitions.
[2023-03-23 04:35:22] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:22] [INFO ] Invariant cache hit.
[2023-03-23 04:35:22] [INFO ] Implicit Places using invariants in 509 ms returned []
[2023-03-23 04:35:22] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:22] [INFO ] Invariant cache hit.
[2023-03-23 04:35:23] [INFO ] State equation strengthened by 120 read => feed constraints.
[2023-03-23 04:35:30] [INFO ] Implicit Places using invariants and state equation in 7335 ms returned []
Implicit Place search using SMT with State Equation took 7857 ms to find 0 implicit places.
[2023-03-23 04:35:30] [INFO ] Flow matrix only has 1003 transitions (discarded 20 similar events)
[2023-03-23 04:35:30] [INFO ] Invariant cache hit.
[2023-03-23 04:35:30] [INFO ] Dead Transitions using invariants and state equation in 842 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9567 ms. Remains : 479/479 places, 1023/1023 transitions.
Treatment of property PolyORBLF-PT-S02J04T10-LTLFireability-05 finished in 36273 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)))'
[2023-03-23 04:35:31] [INFO ] Flatten gal took : 74 ms
[2023-03-23 04:35:31] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-23 04:35:31] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 712 places, 1244 transitions and 5336 arcs took 18 ms.
Total runtime 269005 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1808/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1808/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : PolyORBLF-PT-S02J04T10-LTLFireability-05
Could not compute solution for formula : PolyORBLF-PT-S02J04T10-LTLFireability-06

BK_STOP 1679546133631

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name PolyORBLF-PT-S02J04T10-LTLFireability-05
ltl formula formula --ltl=/tmp/1808/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 712 places, 1244 transitions and 5336 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 0.460 real 0.030 user 0.070 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1808/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1808/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1808/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1808/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
ltl formula name PolyORBLF-PT-S02J04T10-LTLFireability-06
ltl formula formula --ltl=/tmp/1808/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 712 places, 1244 transitions and 5336 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1808/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1808/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1808/ltl_1_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.440 real 0.070 user 0.070 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1808/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 2 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 (fasttop)

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="PolyORBLF-PT-S02J04T10"
export BK_EXAMINATION="LTLFireability"
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 PolyORBLF-PT-S02J04T10, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r297-tall-167873950500508"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S02J04T10.tgz
mv PolyORBLF-PT-S02J04T10 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;