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.r391-oct2-167903715300436.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is ShieldPPPs-PT-010A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r391-oct2-167903715300436
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 576K
-rw-r--r-- 1 mcc users 7.6K Feb 26 02:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 26 02:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 26 02:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 02:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 16:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 02:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Feb 26 02:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 02:08 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 113K Feb 26 02:08 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:58 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 88K 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 ShieldPPPs-PT-010A-LTLFireability-00
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-01
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-02
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-03
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-04
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-05
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-06
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-07
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-08
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-09
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-10
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-11
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-12
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-13
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-14
FORMULA_NAME ShieldPPPs-PT-010A-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679275311937

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPs-PT-010A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-20 01:21:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 01:21:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 01:21:54] [INFO ] Load time of PNML (sax parser for PT used): 114 ms
[2023-03-20 01:21:54] [INFO ] Transformed 313 places.
[2023-03-20 01:21:54] [INFO ] Transformed 263 transitions.
[2023-03-20 01:21:54] [INFO ] Found NUPN structural information;
[2023-03-20 01:21:54] [INFO ] Parsed PT model containing 313 places and 263 transitions and 1006 arcs in 215 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA ShieldPPPs-PT-010A-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPs-PT-010A-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPs-PT-010A-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPs-PT-010A-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPs-PT-010A-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 35 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 51 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:21:54] [INFO ] Computed 111 place invariants in 18 ms
[2023-03-20 01:21:55] [INFO ] Implicit Places using invariants in 827 ms returned []
[2023-03-20 01:21:55] [INFO ] Invariant cache hit.
[2023-03-20 01:21:56] [INFO ] Implicit Places using invariants and state equation in 490 ms returned []
Implicit Place search using SMT with State Equation took 1365 ms to find 0 implicit places.
[2023-03-20 01:21:56] [INFO ] Invariant cache hit.
[2023-03-20 01:21:56] [INFO ] Dead Transitions using invariants and state equation in 240 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1670 ms. Remains : 313/313 places, 263/263 transitions.
Support contains 35 out of 313 places after structural reductions.
[2023-03-20 01:21:56] [INFO ] Flatten gal took : 62 ms
[2023-03-20 01:21:56] [INFO ] Flatten gal took : 29 ms
[2023-03-20 01:21:56] [INFO ] Input system was already deterministic with 263 transitions.
Incomplete random walk after 10000 steps, including 13 resets, run finished after 177 ms. (steps per millisecond=56 ) properties (out of 20) seen :19
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-20 01:21:57] [INFO ] Invariant cache hit.
[2023-03-20 01:21:57] [INFO ] [Real]Absence check using 111 positive place invariants in 20 ms returned sat
[2023-03-20 01:21:57] [INFO ] After 312ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-20 01:21:57] [INFO ] [Nat]Absence check using 111 positive place invariants in 14 ms returned sat
[2023-03-20 01:21:57] [INFO ] After 81ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-20 01:21:57] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 5 ms to minimize.
[2023-03-20 01:21:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2023-03-20 01:21:57] [INFO ] After 182ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 28 ms.
[2023-03-20 01:21:57] [INFO ] After 324ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 126 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=63 )
Parikh walk visited 1 properties in 3 ms.
FORMULA ShieldPPPs-PT-010A-LTLFireability-10 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(p0))||(X(p1)&&G(p2)))))'
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 13 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
[2023-03-20 01:21:58] [INFO ] Invariant cache hit.
[2023-03-20 01:21:58] [INFO ] Implicit Places using invariants in 226 ms returned []
[2023-03-20 01:21:58] [INFO ] Invariant cache hit.
[2023-03-20 01:21:58] [INFO ] Implicit Places using invariants and state equation in 382 ms returned []
Implicit Place search using SMT with State Equation took 615 ms to find 0 implicit places.
[2023-03-20 01:21:58] [INFO ] Invariant cache hit.
[2023-03-20 01:21:59] [INFO ] Dead Transitions using invariants and state equation in 297 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 928 ms. Remains : 313/313 places, 263/263 transitions.
Stuttering acceptance computed with spot in 603 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (NOT p0), (NOT p0), (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(NOT p2), acceptance={} source=1 dest: 3}, { cond=p2, acceptance={} source=1 dest: 4}, { cond=p2, acceptance={} source=1 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=4 dest: 2}, { cond=(AND p2 (NOT p1)), acceptance={} source=4 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=5 dest: 2}, { cond=(NOT p2), acceptance={} source=5 dest: 3}, { cond=p2, acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(OR (EQ s13 0) (EQ s32 0) (EQ s177 0)), p2:(OR (EQ s127 0) (EQ s154 0)), p1:(OR (EQ s13 0) (EQ s32 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 269 reset in 607 ms.
Product exploration explored 100000 steps with 301 reset in 485 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p2 p1), (X (NOT (AND (NOT p0) (NOT p2)))), (X p2), true, (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X p2))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 9 factoid took 500 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 257 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Finished random walk after 3527 steps, including 4 resets, run visited all 3 properties in 98 ms. (steps per millisecond=35 )
Knowledge obtained : [(AND p0 p2 p1), (X (NOT (AND (NOT p0) (NOT p2)))), (X p2), true, (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT (AND p2 (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p0) p2 (NOT p1))))), (X (X p2))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p2)), (F (AND (NOT p0) (NOT p2)))]
Knowledge based reduction with 9 factoid took 492 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 190 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 163 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 6 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
[2023-03-20 01:22:02] [INFO ] Invariant cache hit.
[2023-03-20 01:22:02] [INFO ] Implicit Places using invariants in 193 ms returned []
[2023-03-20 01:22:02] [INFO ] Invariant cache hit.
[2023-03-20 01:22:02] [INFO ] Implicit Places using invariants and state equation in 312 ms returned []
Implicit Place search using SMT with State Equation took 508 ms to find 0 implicit places.
[2023-03-20 01:22:02] [INFO ] Invariant cache hit.
[2023-03-20 01:22:03] [INFO ] Dead Transitions using invariants and state equation in 194 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 708 ms. Remains : 313/313 places, 263/263 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X p2), true, (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 340 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 204 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Incomplete random walk after 10000 steps, including 14 resets, run finished after 102 ms. (steps per millisecond=98 ) properties (out of 3) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-20 01:22:03] [INFO ] Invariant cache hit.
[2023-03-20 01:22:03] [INFO ] [Real]Absence check using 111 positive place invariants in 34 ms returned sat
[2023-03-20 01:22:04] [INFO ] After 330ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-20 01:22:04] [INFO ] [Nat]Absence check using 111 positive place invariants in 33 ms returned sat
[2023-03-20 01:22:04] [INFO ] After 136ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-20 01:22:04] [INFO ] After 219ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 61 ms.
[2023-03-20 01:22:04] [INFO ] After 479ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 595 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=148 )
Parikh walk visited 1 properties in 4 ms.
Knowledge obtained : [(AND p0 p2), (X (NOT (AND (NOT p0) (NOT p2)))), (X p2), true, (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X p2))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT p2)), (F (AND (NOT p0) (NOT p2)))]
Knowledge based reduction with 7 factoid took 575 ms. Reduced automaton from 4 states, 7 edges and 2 AP (stutter sensitive) to 4 states, 7 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 243 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 249 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 194 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 141 reset in 486 ms.
Product exploration explored 100000 steps with 140 reset in 537 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 330 ms :[(AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2))]
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 1 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 313 transition count 263
Deduced a syphon composed of 2 places in 1 ms
Applied a total of 2 rules in 53 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
[2023-03-20 01:22:07] [INFO ] Redundant transitions in 9 ms returned []
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:22:07] [INFO ] Computed 111 place invariants in 3 ms
[2023-03-20 01:22:07] [INFO ] Dead Transitions using invariants and state equation in 226 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 313/313 places, 263/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 326 ms. Remains : 313/313 places, 263/263 transitions.
Support contains 5 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 4 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:22:07] [INFO ] Computed 111 place invariants in 3 ms
[2023-03-20 01:22:08] [INFO ] Implicit Places using invariants in 343 ms returned []
[2023-03-20 01:22:08] [INFO ] Invariant cache hit.
[2023-03-20 01:22:08] [INFO ] Implicit Places using invariants and state equation in 422 ms returned []
Implicit Place search using SMT with State Equation took 767 ms to find 0 implicit places.
[2023-03-20 01:22:08] [INFO ] Invariant cache hit.
[2023-03-20 01:22:08] [INFO ] Dead Transitions using invariants and state equation in 210 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 983 ms. Remains : 313/313 places, 263/263 transitions.
Treatment of property ShieldPPPs-PT-010A-LTLFireability-00 finished in 10907 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(F(p1)))))'
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 311 transition count 261
Applied a total of 4 rules in 13 ms. Remains 311 /313 variables (removed 2) and now considering 261/263 (removed 2) transitions.
// Phase 1: matrix 261 rows 311 cols
[2023-03-20 01:22:08] [INFO ] Computed 111 place invariants in 2 ms
[2023-03-20 01:22:09] [INFO ] Implicit Places using invariants in 380 ms returned []
[2023-03-20 01:22:09] [INFO ] Invariant cache hit.
[2023-03-20 01:22:09] [INFO ] Implicit Places using invariants and state equation in 488 ms returned []
Implicit Place search using SMT with State Equation took 884 ms to find 0 implicit places.
[2023-03-20 01:22:09] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-20 01:22:09] [INFO ] Invariant cache hit.
[2023-03-20 01:22:10] [INFO ] Dead Transitions using invariants and state equation in 366 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 311/313 places, 261/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1278 ms. Remains : 311/313 places, 261/263 transitions.
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s263 1) (EQ s303 1)), p1:(OR (NEQ s43 1) (NEQ s45 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 189 reset in 460 ms.
Product exploration explored 100000 steps with 193 reset in 489 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 322 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 89 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 643 steps, including 0 resets, run visited all 2 properties in 21 ms. (steps per millisecond=30 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 5 factoid took 359 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 66 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 4 out of 311 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 261/261 transitions.
Applied a total of 0 rules in 7 ms. Remains 311 /311 variables (removed 0) and now considering 261/261 (removed 0) transitions.
[2023-03-20 01:22:12] [INFO ] Invariant cache hit.
[2023-03-20 01:22:12] [INFO ] Implicit Places using invariants in 292 ms returned []
[2023-03-20 01:22:12] [INFO ] Invariant cache hit.
[2023-03-20 01:22:12] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 622 ms to find 0 implicit places.
[2023-03-20 01:22:12] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 01:22:12] [INFO ] Invariant cache hit.
[2023-03-20 01:22:13] [INFO ] Dead Transitions using invariants and state equation in 320 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 968 ms. Remains : 311/311 places, 261/261 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 5 factoid took 176 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 626 steps, including 0 resets, run visited all 2 properties in 5 ms. (steps per millisecond=125 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p0) (NOT p1))), (F (AND p0 (NOT p1)))]
Knowledge based reduction with 5 factoid took 206 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 92 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 122 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 102 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 190 reset in 407 ms.
Product exploration explored 100000 steps with 189 reset in 454 ms.
Support contains 4 out of 311 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 261/261 transitions.
Applied a total of 0 rules in 7 ms. Remains 311 /311 variables (removed 0) and now considering 261/261 (removed 0) transitions.
[2023-03-20 01:22:14] [INFO ] Invariant cache hit.
[2023-03-20 01:22:15] [INFO ] Implicit Places using invariants in 226 ms returned []
[2023-03-20 01:22:15] [INFO ] Invariant cache hit.
[2023-03-20 01:22:15] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 767 ms to find 0 implicit places.
[2023-03-20 01:22:15] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 01:22:15] [INFO ] Invariant cache hit.
[2023-03-20 01:22:15] [INFO ] Dead Transitions using invariants and state equation in 295 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1075 ms. Remains : 311/311 places, 261/261 transitions.
Treatment of property ShieldPPPs-PT-010A-LTLFireability-03 finished in 7031 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((p0||F(p1)) U (p2 U p3)))))'
Support contains 6 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 311 transition count 261
Applied a total of 4 rules in 23 ms. Remains 311 /313 variables (removed 2) and now considering 261/263 (removed 2) transitions.
[2023-03-20 01:22:15] [INFO ] Invariant cache hit.
[2023-03-20 01:22:16] [INFO ] Implicit Places using invariants in 219 ms returned []
[2023-03-20 01:22:16] [INFO ] Invariant cache hit.
[2023-03-20 01:22:16] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 557 ms to find 0 implicit places.
[2023-03-20 01:22:16] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 01:22:16] [INFO ] Invariant cache hit.
[2023-03-20 01:22:16] [INFO ] Dead Transitions using invariants and state equation in 126 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 311/313 places, 261/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 713 ms. Remains : 311/313 places, 261/263 transitions.
Stuttering acceptance computed with spot in 274 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p3), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p3) p2 (NOT p0) (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=(OR (AND p3 (NOT p1)) (AND p2 (NOT p1)) (AND p0 (NOT p1))), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p3) p2 (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 3}, { cond=(AND (NOT p3) p0 (NOT p1)), acceptance={0} source=1 dest: 4}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(NOT p3), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p3) p2 (NOT p0) (NOT p1)), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2) p0 (NOT p1)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p3) p2 p0 (NOT p1)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p3) p2 (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p3) p0 (NOT p1)), acceptance={0} source=3 dest: 4}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=4 dest: 1}, { cond=(AND (NOT p3) p2 (NOT p0) (NOT p1)), acceptance={0} source=4 dest: 3}, { cond=(AND (NOT p3) p0 (NOT p1)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p3:(EQ s214 1), p2:(AND (EQ s265 1) (EQ s267 1)), p0:(EQ s62 1), p1:(AND (EQ s221 1) (EQ s242 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null][true, true, true, true, true]]
Product exploration explored 100000 steps with 2204 reset in 372 ms.
Product exploration explored 100000 steps with 2216 reset in 376 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p3) p2 p0 (NOT p1)))), (X (NOT (AND (NOT p3) p2 (NOT p0) (NOT p1)))), (X (NOT p3)), (X (NOT (OR (AND p3 (NOT p1)) (AND p2 (NOT p1)) (AND p0 (NOT p1))))), (X (NOT (AND (NOT p3) p0 (NOT p1)))), (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p3) p2 p0 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2 (NOT p0) (NOT p1))))), (X (X (NOT p3))), (X (X (NOT (OR (AND p3 (NOT p1)) (AND p2 (NOT p1)) (AND p0 (NOT p1)))))), (X (X (NOT (AND (NOT p3) p0 (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1)))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 977 ms. Reduced automaton from 5 states, 19 edges and 4 AP (stutter insensitive) to 5 states, 19 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 304 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Finished random walk after 9519 steps, including 13 resets, run visited all 7 properties in 63 ms. (steps per millisecond=151 )
Knowledge obtained : [(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1))), (X (NOT (AND (NOT p3) p2 p0 (NOT p1)))), (X (NOT (AND (NOT p3) p2 (NOT p0) (NOT p1)))), (X (NOT p3)), (X (NOT (OR (AND p3 (NOT p1)) (AND p2 (NOT p1)) (AND p0 (NOT p1))))), (X (NOT (AND (NOT p3) p0 (NOT p1)))), (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1)))), (X (X (AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p3) p2 p0 (NOT p1))))), (X (X (NOT (AND (NOT p3) p2 (NOT p0) (NOT p1))))), (X (X (NOT p3))), (X (X (NOT (OR (AND p3 (NOT p1)) (AND p2 (NOT p1)) (AND p0 (NOT p1)))))), (X (X (NOT (AND (NOT p3) p0 (NOT p1))))), (X (X (NOT (AND (NOT p3) (NOT p2) p0 (NOT p1)))))]
False Knowledge obtained : [(F (AND (NOT p1) p0 (NOT p3))), (F (OR (AND (NOT p1) p2) (AND (NOT p1) p0) (AND (NOT p1) p3))), (F (AND (NOT p1) p2 p0 (NOT p3))), (F (AND (NOT p1) (NOT p2) p0 (NOT p3))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)))), (F (AND (NOT p1) p2 (NOT p0) (NOT p3))), (F p3)]
Knowledge based reduction with 15 factoid took 811 ms. Reduced automaton from 5 states, 19 edges and 4 AP (stutter insensitive) to 5 states, 19 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 223 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 227 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
[2023-03-20 01:22:20] [INFO ] Invariant cache hit.
[2023-03-20 01:22:20] [INFO ] [Real]Absence check using 111 positive place invariants in 26 ms returned sat
[2023-03-20 01:22:20] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:20] [INFO ] [Real]Absence check using state equation in 289 ms returned sat
[2023-03-20 01:22:20] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 01:22:21] [INFO ] [Nat]Absence check using 111 positive place invariants in 111 ms returned sat
[2023-03-20 01:22:21] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:21] [INFO ] [Nat]Absence check using state equation in 199 ms returned sat
[2023-03-20 01:22:21] [INFO ] Computed and/alt/rep : 260/727/260 causal constraints (skipped 0 transitions) in 24 ms.
[2023-03-20 01:22:23] [INFO ] Added : 244 causal constraints over 50 iterations in 2298 ms. Result :sat
Could not prove EG (NOT p3)
Support contains 6 out of 311 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 261/261 transitions.
Applied a total of 0 rules in 11 ms. Remains 311 /311 variables (removed 0) and now considering 261/261 (removed 0) transitions.
[2023-03-20 01:22:23] [INFO ] Invariant cache hit.
[2023-03-20 01:22:23] [INFO ] Implicit Places using invariants in 231 ms returned []
[2023-03-20 01:22:23] [INFO ] Invariant cache hit.
[2023-03-20 01:22:24] [INFO ] Implicit Places using invariants and state equation in 281 ms returned []
Implicit Place search using SMT with State Equation took 539 ms to find 0 implicit places.
[2023-03-20 01:22:24] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 01:22:24] [INFO ] Invariant cache hit.
[2023-03-20 01:22:24] [INFO ] Dead Transitions using invariants and state equation in 201 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 773 ms. Remains : 311/311 places, 261/261 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (X (NOT (AND (NOT p1) p2 (NOT p0) (NOT p3)))), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X (NOT (AND (NOT p1) p2 p0 (NOT p3)))), (X (NOT (OR (AND (NOT p1) p2) (AND (NOT p1) p0) (AND (NOT p1) p3)))), (X (NOT p3)), (X (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3))), (X (NOT (AND (NOT p1) (NOT p2) p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) p2 (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) p2 p0 (NOT p3))))), (X (X (NOT (OR (AND (NOT p1) p2) (AND (NOT p1) p0) (AND (NOT p1) p3))))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0 (NOT p3)))))]
False Knowledge obtained : []
Knowledge based reduction with 15 factoid took 722 ms. Reduced automaton from 5 states, 19 edges and 4 AP (stutter insensitive) to 5 states, 19 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 368 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Finished random walk after 1959 steps, including 2 resets, run visited all 7 properties in 17 ms. (steps per millisecond=115 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)), (X (NOT (AND (NOT p1) p2 (NOT p0) (NOT p3)))), (X (NOT (AND (NOT p1) p0 (NOT p3)))), (X (NOT (AND (NOT p1) p2 p0 (NOT p3)))), (X (NOT (OR (AND (NOT p1) p2) (AND (NOT p1) p0) (AND (NOT p1) p3)))), (X (NOT p3)), (X (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3))), (X (NOT (AND (NOT p1) (NOT p2) p0 (NOT p3)))), (X (X (NOT (AND (NOT p1) p2 (NOT p0) (NOT p3))))), (X (X (NOT (AND (NOT p1) p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) p2 p0 (NOT p3))))), (X (X (NOT (OR (AND (NOT p1) p2) (AND (NOT p1) p0) (AND (NOT p1) p3))))), (X (X (NOT p3))), (X (X (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)))), (X (X (NOT (AND (NOT p1) (NOT p2) p0 (NOT p3)))))]
False Knowledge obtained : [(F (AND (NOT p1) p0 (NOT p3))), (F (OR (AND (NOT p1) p2) (AND (NOT p1) p0) (AND (NOT p1) p3))), (F (AND (NOT p1) p2 p0 (NOT p3))), (F (AND (NOT p1) (NOT p2) p0 (NOT p3))), (F (NOT (AND (NOT p1) (NOT p2) (NOT p0) (NOT p3)))), (F (AND (NOT p1) p2 (NOT p0) (NOT p3))), (F p3)]
Knowledge based reduction with 15 factoid took 749 ms. Reduced automaton from 5 states, 19 edges and 4 AP (stutter insensitive) to 5 states, 19 edges and 4 AP (stutter insensitive).
Stuttering acceptance computed with spot in 287 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Stuttering acceptance computed with spot in 344 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
[2023-03-20 01:22:26] [INFO ] Invariant cache hit.
[2023-03-20 01:22:27] [INFO ] [Real]Absence check using 111 positive place invariants in 31 ms returned sat
[2023-03-20 01:22:27] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:27] [INFO ] [Real]Absence check using state equation in 329 ms returned sat
[2023-03-20 01:22:27] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 01:22:27] [INFO ] [Nat]Absence check using 111 positive place invariants in 21 ms returned sat
[2023-03-20 01:22:27] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:27] [INFO ] [Nat]Absence check using state equation in 221 ms returned sat
[2023-03-20 01:22:27] [INFO ] Computed and/alt/rep : 260/727/260 causal constraints (skipped 0 transitions) in 38 ms.
[2023-03-20 01:22:30] [INFO ] Added : 244 causal constraints over 50 iterations in 2476 ms. Result :sat
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 366 ms :[(NOT p3), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Product exploration explored 100000 steps with 2238 reset in 492 ms.
Product exploration explored 100000 steps with 2243 reset in 452 ms.
Support contains 6 out of 311 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 261/261 transitions.
Applied a total of 0 rules in 6 ms. Remains 311 /311 variables (removed 0) and now considering 261/261 (removed 0) transitions.
[2023-03-20 01:22:31] [INFO ] Invariant cache hit.
[2023-03-20 01:22:31] [INFO ] Implicit Places using invariants in 204 ms returned []
[2023-03-20 01:22:31] [INFO ] Invariant cache hit.
[2023-03-20 01:22:32] [INFO ] Implicit Places using invariants and state equation in 397 ms returned []
Implicit Place search using SMT with State Equation took 604 ms to find 0 implicit places.
[2023-03-20 01:22:32] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 01:22:32] [INFO ] Invariant cache hit.
[2023-03-20 01:22:32] [INFO ] Dead Transitions using invariants and state equation in 187 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 806 ms. Remains : 311/311 places, 261/261 transitions.
Treatment of property ShieldPPPs-PT-010A-LTLFireability-04 finished in 16598 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(G(p0))||G((p0||X(G(p1)))))))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 2 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:22:32] [INFO ] Computed 111 place invariants in 2 ms
[2023-03-20 01:22:32] [INFO ] Implicit Places using invariants in 243 ms returned []
[2023-03-20 01:22:32] [INFO ] Invariant cache hit.
[2023-03-20 01:22:33] [INFO ] Implicit Places using invariants and state equation in 381 ms returned []
Implicit Place search using SMT with State Equation took 625 ms to find 0 implicit places.
[2023-03-20 01:22:33] [INFO ] Invariant cache hit.
[2023-03-20 01:22:33] [INFO ] Dead Transitions using invariants and state equation in 225 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 853 ms. Remains : 313/313 places, 263/263 transitions.
Stuttering acceptance computed with spot in 221 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p0:(EQ s146 1), p1:(EQ s306 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 761 steps with 0 reset in 8 ms.
FORMULA ShieldPPPs-PT-010A-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-010A-LTLFireability-05 finished in 1107 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 311 transition count 261
Applied a total of 4 rules in 25 ms. Remains 311 /313 variables (removed 2) and now considering 261/263 (removed 2) transitions.
// Phase 1: matrix 261 rows 311 cols
[2023-03-20 01:22:33] [INFO ] Computed 111 place invariants in 16 ms
[2023-03-20 01:22:33] [INFO ] Implicit Places using invariants in 258 ms returned []
[2023-03-20 01:22:33] [INFO ] Invariant cache hit.
[2023-03-20 01:22:34] [INFO ] Implicit Places using invariants and state equation in 416 ms returned []
Implicit Place search using SMT with State Equation took 677 ms to find 0 implicit places.
[2023-03-20 01:22:34] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 01:22:34] [INFO ] Invariant cache hit.
[2023-03-20 01:22:34] [INFO ] Dead Transitions using invariants and state equation in 148 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 311/313 places, 261/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 875 ms. Remains : 311/313 places, 261/263 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (EQ s202 0) (EQ s219 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 139 reset in 464 ms.
Product exploration explored 100000 steps with 142 reset in 466 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 164 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Finished random walk after 18 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=9 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 162 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 56 ms :[(NOT p0)]
Support contains 2 out of 311 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 261/261 transitions.
Applied a total of 0 rules in 27 ms. Remains 311 /311 variables (removed 0) and now considering 261/261 (removed 0) transitions.
[2023-03-20 01:22:36] [INFO ] Invariant cache hit.
[2023-03-20 01:22:36] [INFO ] Implicit Places using invariants in 208 ms returned []
[2023-03-20 01:22:36] [INFO ] Invariant cache hit.
[2023-03-20 01:22:36] [INFO ] Implicit Places using invariants and state equation in 283 ms returned []
Implicit Place search using SMT with State Equation took 518 ms to find 0 implicit places.
[2023-03-20 01:22:36] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 01:22:36] [INFO ] Invariant cache hit.
[2023-03-20 01:22:36] [INFO ] Dead Transitions using invariants and state equation in 135 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 697 ms. Remains : 311/311 places, 261/261 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 94 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Finished random walk after 41 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=41 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 100 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 24 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Product exploration explored 100000 steps with 140 reset in 389 ms.
Product exploration explored 100000 steps with 142 reset in 405 ms.
Support contains 2 out of 311 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 261/261 transitions.
Applied a total of 0 rules in 6 ms. Remains 311 /311 variables (removed 0) and now considering 261/261 (removed 0) transitions.
[2023-03-20 01:22:37] [INFO ] Invariant cache hit.
[2023-03-20 01:22:38] [INFO ] Implicit Places using invariants in 214 ms returned []
[2023-03-20 01:22:38] [INFO ] Invariant cache hit.
[2023-03-20 01:22:38] [INFO ] Implicit Places using invariants and state equation in 273 ms returned []
Implicit Place search using SMT with State Equation took 510 ms to find 0 implicit places.
[2023-03-20 01:22:38] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 01:22:38] [INFO ] Invariant cache hit.
[2023-03-20 01:22:38] [INFO ] Dead Transitions using invariants and state equation in 142 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 667 ms. Remains : 311/311 places, 261/261 transitions.
Treatment of property ShieldPPPs-PT-010A-LTLFireability-06 finished in 4889 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(p0)&&G(p0)) U p1)&&X(p1)))))'
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 3 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:22:38] [INFO ] Computed 111 place invariants in 1 ms
[2023-03-20 01:22:38] [INFO ] Implicit Places using invariants in 172 ms returned []
[2023-03-20 01:22:38] [INFO ] Invariant cache hit.
[2023-03-20 01:22:39] [INFO ] Implicit Places using invariants and state equation in 270 ms returned []
Implicit Place search using SMT with State Equation took 443 ms to find 0 implicit places.
[2023-03-20 01:22:39] [INFO ] Invariant cache hit.
[2023-03-20 01:22:39] [INFO ] Dead Transitions using invariants and state equation in 151 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 598 ms. Remains : 313/313 places, 263/263 transitions.
Stuttering acceptance computed with spot in 262 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=true, acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=p1, acceptance={} source=2 dest: 4}], [{ cond=(AND p0 p1), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=p0, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(AND (EQ s51 1) (EQ s72 1)), p1:(AND (EQ s228 1) (EQ s240 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 33444 reset in 432 ms.
Product exploration explored 100000 steps with 33356 reset in 383 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 426 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 245 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Finished random walk after 1197 steps, including 1 resets, run visited all 4 properties in 16 ms. (steps per millisecond=74 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (AND p0 p1)), (F p0), (F (AND p0 (NOT p1))), (F p1)]
Knowledge based reduction with 9 factoid took 481 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 187 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Stuttering acceptance computed with spot in 156 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 3 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
[2023-03-20 01:22:41] [INFO ] Invariant cache hit.
[2023-03-20 01:22:41] [INFO ] Implicit Places using invariants in 186 ms returned []
[2023-03-20 01:22:41] [INFO ] Invariant cache hit.
[2023-03-20 01:22:42] [INFO ] Implicit Places using invariants and state equation in 952 ms returned []
Implicit Place search using SMT with State Equation took 1148 ms to find 0 implicit places.
[2023-03-20 01:22:42] [INFO ] Invariant cache hit.
[2023-03-20 01:22:43] [INFO ] Dead Transitions using invariants and state equation in 140 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1292 ms. Remains : 313/313 places, 263/263 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 373 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 275 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Finished random walk after 4850 steps, including 6 resets, run visited all 4 properties in 26 ms. (steps per millisecond=186 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), true, (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : [(F (AND p0 p1)), (F p0), (F (AND p0 (NOT p1))), (F p1)]
Knowledge based reduction with 9 factoid took 431 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 203 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Stuttering acceptance computed with spot in 267 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Stuttering acceptance computed with spot in 280 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Product exploration explored 100000 steps with 33377 reset in 373 ms.
Product exploration explored 100000 steps with 33201 reset in 415 ms.
Applying partial POR strategy [false, false, true, true, true, true]
Stuttering acceptance computed with spot in 240 ms :[p1, p1, p1, (AND p0 p1), true, p0]
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 1 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 313 transition count 263
Deduced a syphon composed of 2 places in 1 ms
Applied a total of 2 rules in 20 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
[2023-03-20 01:22:46] [INFO ] Redundant transitions in 3 ms returned []
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:22:46] [INFO ] Computed 111 place invariants in 2 ms
[2023-03-20 01:22:46] [INFO ] Dead Transitions using invariants and state equation in 206 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 313/313 places, 263/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 236 ms. Remains : 313/313 places, 263/263 transitions.
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 2 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:22:46] [INFO ] Computed 111 place invariants in 2 ms
[2023-03-20 01:22:46] [INFO ] Implicit Places using invariants in 190 ms returned []
[2023-03-20 01:22:46] [INFO ] Invariant cache hit.
[2023-03-20 01:22:46] [INFO ] Implicit Places using invariants and state equation in 330 ms returned []
Implicit Place search using SMT with State Equation took 522 ms to find 0 implicit places.
[2023-03-20 01:22:46] [INFO ] Invariant cache hit.
[2023-03-20 01:22:47] [INFO ] Dead Transitions using invariants and state equation in 248 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 773 ms. Remains : 313/313 places, 263/263 transitions.
Treatment of property ShieldPPPs-PT-010A-LTLFireability-07 finished in 8565 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F(p1)))'
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 2 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
[2023-03-20 01:22:47] [INFO ] Invariant cache hit.
[2023-03-20 01:22:47] [INFO ] Implicit Places using invariants in 222 ms returned []
[2023-03-20 01:22:47] [INFO ] Invariant cache hit.
[2023-03-20 01:22:47] [INFO ] Implicit Places using invariants and state equation in 400 ms returned []
Implicit Place search using SMT with State Equation took 639 ms to find 0 implicit places.
[2023-03-20 01:22:47] [INFO ] Invariant cache hit.
[2023-03-20 01:22:47] [INFO ] Dead Transitions using invariants and state equation in 169 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 810 ms. Remains : 313/313 places, 263/263 transitions.
Stuttering acceptance computed with spot in 232 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 3}]], initial=0, aps=[p1:(AND (EQ s67 1) (EQ s86 1)), p0:(OR (AND (EQ s49 1) (EQ s60 1)) (EQ s67 0) (EQ s86 0))], nbAcceptance=0, 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 706 reset in 359 ms.
Product exploration explored 100000 steps with 668 reset in 427 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (NOT p1)), true, (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 5 factoid took 180 ms. Reduced automaton from 4 states, 5 edges and 2 AP (stutter sensitive) to 2 states, 2 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 91 ms :[(NOT p1), (NOT p1)]
Finished random walk after 325 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=81 )
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (NOT p1)), true, (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 5 factoid took 250 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 59 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 63 ms :[(NOT p1)]
[2023-03-20 01:22:49] [INFO ] Invariant cache hit.
[2023-03-20 01:22:49] [INFO ] [Real]Absence check using 111 positive place invariants in 36 ms returned sat
[2023-03-20 01:22:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:50] [INFO ] [Real]Absence check using state equation in 314 ms returned sat
[2023-03-20 01:22:50] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 01:22:50] [INFO ] [Nat]Absence check using 111 positive place invariants in 32 ms returned sat
[2023-03-20 01:22:50] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:50] [INFO ] [Nat]Absence check using state equation in 244 ms returned sat
[2023-03-20 01:22:50] [INFO ] Computed and/alt/rep : 262/723/262 causal constraints (skipped 0 transitions) in 15 ms.
[2023-03-20 01:22:54] [INFO ] Added : 262 causal constraints over 54 iterations in 3287 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 2 out of 313 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 311 transition count 261
Applied a total of 4 rules in 8 ms. Remains 311 /313 variables (removed 2) and now considering 261/263 (removed 2) transitions.
// Phase 1: matrix 261 rows 311 cols
[2023-03-20 01:22:54] [INFO ] Computed 111 place invariants in 2 ms
[2023-03-20 01:22:54] [INFO ] Implicit Places using invariants in 221 ms returned []
[2023-03-20 01:22:54] [INFO ] Invariant cache hit.
[2023-03-20 01:22:54] [INFO ] Implicit Places using invariants and state equation in 493 ms returned []
Implicit Place search using SMT with State Equation took 730 ms to find 0 implicit places.
[2023-03-20 01:22:54] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 01:22:54] [INFO ] Invariant cache hit.
[2023-03-20 01:22:54] [INFO ] Dead Transitions using invariants and state equation in 182 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 311/313 places, 261/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 926 ms. Remains : 311/313 places, 261/263 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 27 ms :[(NOT p1)]
Finished random walk after 191 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=63 )
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 3 factoid took 131 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p1)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p1)]
[2023-03-20 01:22:55] [INFO ] Invariant cache hit.
[2023-03-20 01:22:55] [INFO ] [Real]Absence check using 111 positive place invariants in 30 ms returned sat
[2023-03-20 01:22:55] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:55] [INFO ] [Real]Absence check using state equation in 292 ms returned sat
[2023-03-20 01:22:55] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 01:22:56] [INFO ] [Nat]Absence check using 111 positive place invariants in 24 ms returned sat
[2023-03-20 01:22:56] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 01:22:56] [INFO ] [Nat]Absence check using state equation in 320 ms returned sat
[2023-03-20 01:22:56] [INFO ] Computed and/alt/rep : 260/727/260 causal constraints (skipped 0 transitions) in 38 ms.
[2023-03-20 01:23:03] [INFO ] Added : 260 causal constraints over 52 iterations in 7333 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 36 ms :[(NOT p1)]
Product exploration explored 100000 steps with 358 reset in 339 ms.
Product exploration explored 100000 steps with 353 reset in 394 ms.
Support contains 2 out of 311 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 311/311 places, 261/261 transitions.
Applied a total of 0 rules in 13 ms. Remains 311 /311 variables (removed 0) and now considering 261/261 (removed 0) transitions.
[2023-03-20 01:23:04] [INFO ] Invariant cache hit.
[2023-03-20 01:23:04] [INFO ] Implicit Places using invariants in 273 ms returned []
[2023-03-20 01:23:04] [INFO ] Invariant cache hit.
[2023-03-20 01:23:05] [INFO ] Implicit Places using invariants and state equation in 450 ms returned []
Implicit Place search using SMT with State Equation took 738 ms to find 0 implicit places.
[2023-03-20 01:23:05] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 01:23:05] [INFO ] Invariant cache hit.
[2023-03-20 01:23:05] [INFO ] Dead Transitions using invariants and state equation in 185 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 955 ms. Remains : 311/311 places, 261/261 transitions.
Treatment of property ShieldPPPs-PT-010A-LTLFireability-12 finished in 18390 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 4 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 2 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:23:05] [INFO ] Computed 111 place invariants in 2 ms
[2023-03-20 01:23:05] [INFO ] Implicit Places using invariants in 179 ms returned []
[2023-03-20 01:23:05] [INFO ] Invariant cache hit.
[2023-03-20 01:23:06] [INFO ] Implicit Places using invariants and state equation in 348 ms returned []
Implicit Place search using SMT with State Equation took 529 ms to find 0 implicit places.
[2023-03-20 01:23:06] [INFO ] Invariant cache hit.
[2023-03-20 01:23:06] [INFO ] Dead Transitions using invariants and state equation in 215 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 748 ms. Remains : 313/313 places, 263/263 transitions.
Stuttering acceptance computed with spot in 157 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (EQ s295 1) (EQ s312 1) (EQ s171 1) (EQ s186 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][false, false, false]]
Stuttering criterion allowed to conclude after 742 steps with 0 reset in 8 ms.
FORMULA ShieldPPPs-PT-010A-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-010A-LTLFireability-13 finished in 935 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 313 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 311 transition count 261
Applied a total of 4 rules in 19 ms. Remains 311 /313 variables (removed 2) and now considering 261/263 (removed 2) transitions.
// Phase 1: matrix 261 rows 311 cols
[2023-03-20 01:23:06] [INFO ] Computed 111 place invariants in 2 ms
[2023-03-20 01:23:06] [INFO ] Implicit Places using invariants in 311 ms returned []
[2023-03-20 01:23:06] [INFO ] Invariant cache hit.
[2023-03-20 01:23:07] [INFO ] Implicit Places using invariants and state equation in 457 ms returned []
Implicit Place search using SMT with State Equation took 772 ms to find 0 implicit places.
[2023-03-20 01:23:07] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-20 01:23:07] [INFO ] Invariant cache hit.
[2023-03-20 01:23:07] [INFO ] Dead Transitions using invariants and state equation in 216 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 311/313 places, 261/263 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1015 ms. Remains : 311/313 places, 261/263 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s13 1) (EQ s33 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 714 steps with 0 reset in 7 ms.
FORMULA ShieldPPPs-PT-010A-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPs-PT-010A-LTLFireability-14 finished in 1109 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 313 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 313/313 places, 263/263 transitions.
Applied a total of 0 rules in 3 ms. Remains 313 /313 variables (removed 0) and now considering 263/263 (removed 0) transitions.
// Phase 1: matrix 263 rows 313 cols
[2023-03-20 01:23:07] [INFO ] Computed 111 place invariants in 1 ms
[2023-03-20 01:23:07] [INFO ] Implicit Places using invariants in 229 ms returned []
[2023-03-20 01:23:07] [INFO ] Invariant cache hit.
[2023-03-20 01:23:08] [INFO ] Implicit Places using invariants and state equation in 335 ms returned []
Implicit Place search using SMT with State Equation took 579 ms to find 0 implicit places.
[2023-03-20 01:23:08] [INFO ] Invariant cache hit.
[2023-03-20 01:23:08] [INFO ] Dead Transitions using invariants and state equation in 154 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 738 ms. Remains : 313/313 places, 263/263 transitions.
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPs-PT-010A-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s28 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 486 ms.
Product exploration explored 100000 steps with 50000 reset in 515 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 165 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPs-PT-010A-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPs-PT-010A-LTLFireability-15 finished in 1995 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(p0))||(X(p1)&&G(p2)))))'
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)||G(F(p1)))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(((p0||F(p1)) U (p2 U p3)))))'
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)))'
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(p0)&&G(p0)) U p1)&&X(p1)))))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&F(p1)))'
[2023-03-20 01:23:10] [INFO ] Flatten gal took : 34 ms
[2023-03-20 01:23:10] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/LTLFireability.sr.xml took 16 ms.
[2023-03-20 01:23:10] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 313 places, 263 transitions and 1006 arcs took 6 ms.
Total runtime 75805 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldPPPs-PT-010A
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/384
LTLFireability

FORMULA ShieldPPPs-PT-010A-LTLFireability-07 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA ShieldPPPs-PT-010A-LTLFireability-04 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679275535950

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/384/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/384/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/384/LTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:436
lola: rewrite Frontend/Parser/formula_rewrite.k:433
lola: rewrite Frontend/Parser/formula_rewrite.k:253
lola: rewrite Frontend/Parser/formula_rewrite.k:521
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: RELEASE
lola: RELEASE
lola: rewrite Frontend/Parser/formula_rewrite.k:535
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 4 (type EXCL) for 3 ShieldPPPs-PT-010A-LTLFireability-03
lola: time limit : 514 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:749
lola: rewrite Frontend/Parser/formula_rewrite.k:787
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

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ShieldPPPs-PT-010A-LTLFireability-00: LTL unknown AGGR
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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="ShieldPPPs-PT-010A"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is ShieldPPPs-PT-010A, 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 r391-oct2-167903715300436"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPs-PT-010A.tgz
mv ShieldPPPs-PT-010A 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 ;