fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r391-oct2-167903715500604
Last Updated
May 14, 2023

About the Execution of LoLa+red for ShieldPPPt-PT-005B

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
807.088 99296.00 129907.00 42.30 TFFFFFFFTTFTFF?F normal

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-oct2-167903715500604.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)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is ShieldPPPt-PT-005B, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r391-oct2-167903715500604
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 472K
-rw-r--r-- 1 mcc users 6.4K Feb 25 20:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 25 20:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 20:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 20:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 17:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 17:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 17:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 20:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 25 20:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 25 20:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 20:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 17:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:00 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 92K 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 ShieldPPPt-PT-005B-LTLFireability-00
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-01
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-02
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-03
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-04
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-05
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-06
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-07
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-08
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-09
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-10
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-11
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-12
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-13
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-14
FORMULA_NAME ShieldPPPt-PT-005B-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679278892144

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=ShieldPPPt-PT-005B
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-20 02:21:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 02:21:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 02:21:34] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2023-03-20 02:21:34] [INFO ] Transformed 393 places.
[2023-03-20 02:21:34] [INFO ] Transformed 358 transitions.
[2023-03-20 02:21:34] [INFO ] Found NUPN structural information;
[2023-03-20 02:21:34] [INFO ] Parsed PT model containing 393 places and 358 transitions and 896 arcs in 169 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ShieldPPPt-PT-005B-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldPPPt-PT-005B-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 33 out of 393 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 393/393 places, 358/358 transitions.
Discarding 47 places :
Symmetric choice reduction at 0 with 47 rule applications. Total rules 47 place count 346 transition count 311
Iterating global reduction 0 with 47 rules applied. Total rules applied 94 place count 346 transition count 311
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 95 place count 345 transition count 310
Iterating global reduction 0 with 1 rules applied. Total rules applied 96 place count 345 transition count 310
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 97 place count 344 transition count 309
Iterating global reduction 0 with 1 rules applied. Total rules applied 98 place count 344 transition count 309
Applied a total of 98 rules in 89 ms. Remains 344 /393 variables (removed 49) and now considering 309/358 (removed 49) transitions.
// Phase 1: matrix 309 rows 344 cols
[2023-03-20 02:21:35] [INFO ] Computed 56 place invariants in 9 ms
[2023-03-20 02:21:35] [INFO ] Implicit Places using invariants in 379 ms returned []
[2023-03-20 02:21:35] [INFO ] Invariant cache hit.
[2023-03-20 02:21:36] [INFO ] Implicit Places using invariants and state equation in 682 ms returned []
Implicit Place search using SMT with State Equation took 1093 ms to find 0 implicit places.
[2023-03-20 02:21:36] [INFO ] Invariant cache hit.
[2023-03-20 02:21:36] [INFO ] Dead Transitions using invariants and state equation in 376 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 344/393 places, 309/358 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1572 ms. Remains : 344/393 places, 309/358 transitions.
Support contains 33 out of 344 places after structural reductions.
[2023-03-20 02:21:36] [INFO ] Flatten gal took : 46 ms
[2023-03-20 02:21:36] [INFO ] Flatten gal took : 17 ms
[2023-03-20 02:21:37] [INFO ] Input system was already deterministic with 309 transitions.
Finished random walk after 819 steps, including 0 resets, run visited all 27 properties in 89 ms. (steps per millisecond=9 )
Computed a total of 82 stabilizing places and 82 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(p0)&&(F(p1)||X((!p2 U (p3||G(!p2)))))))'
Support contains 4 out of 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 337 transition count 302
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 337 transition count 302
Applied a total of 14 rules in 34 ms. Remains 337 /344 variables (removed 7) and now considering 302/309 (removed 7) transitions.
// Phase 1: matrix 302 rows 337 cols
[2023-03-20 02:21:37] [INFO ] Computed 56 place invariants in 7 ms
[2023-03-20 02:21:38] [INFO ] Implicit Places using invariants in 560 ms returned []
[2023-03-20 02:21:38] [INFO ] Invariant cache hit.
[2023-03-20 02:21:38] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 986 ms to find 0 implicit places.
[2023-03-20 02:21:38] [INFO ] Invariant cache hit.
[2023-03-20 02:21:38] [INFO ] Dead Transitions using invariants and state equation in 170 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 337/344 places, 302/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1191 ms. Remains : 337/344 places, 302/309 transitions.
Stuttering acceptance computed with spot in 447 ms :[(OR (NOT p0) (AND (NOT p1) p2 (NOT p3))), (NOT p0), (AND (NOT p1) (NOT p3) p2), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-00 automaton TGBA Formula[mat=[[{ 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=(AND (NOT p1) (NOT p3) (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p3) p2), acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(OR (EQ s99 0) (EQ s192 0)), p1:(EQ s272 1), p3:(NEQ s83 1), p2:(AND (EQ s99 1) (EQ s192 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][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 319 ms.
Product exploration explored 100000 steps with 50000 reset in 221 ms.
Computed a total of 79 stabilizing places and 79 stable transitions
Computed a total of 79 stabilizing places and 79 stable transitions
Detected a total of 79/337 stabilizing places and 79/302 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p0 (NOT p1) p3 (NOT p2)), (X (NOT (AND (NOT p1) (NOT p3) p2))), (X (NOT (AND (NOT p1) (NOT p3) (NOT p2)))), (X p0), (X (X (NOT (AND (NOT p1) (NOT p3) p2)))), (X (X (NOT (AND (NOT p1) (NOT p3) (NOT p2))))), (X (X (NOT p1))), (X (X p0)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p0 (NOT p1) p3 (NOT p2))
Knowledge based reduction with 9 factoid took 454 ms. Reduced automaton from 4 states, 6 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-005B-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-005B-LTLFireability-00 finished in 2786 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))) U (G(X((!p0&&G(p1))))||(!p1&&X((!p0&&G(p1))))))))'
Support contains 4 out of 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 336 transition count 301
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 336 transition count 301
Applied a total of 16 rules in 27 ms. Remains 336 /344 variables (removed 8) and now considering 301/309 (removed 8) transitions.
// Phase 1: matrix 301 rows 336 cols
[2023-03-20 02:21:40] [INFO ] Computed 56 place invariants in 6 ms
[2023-03-20 02:21:40] [INFO ] Implicit Places using invariants in 175 ms returned []
[2023-03-20 02:21:40] [INFO ] Invariant cache hit.
[2023-03-20 02:21:40] [INFO ] Implicit Places using invariants and state equation in 303 ms returned []
Implicit Place search using SMT with State Equation took 482 ms to find 0 implicit places.
[2023-03-20 02:21:40] [INFO ] Invariant cache hit.
[2023-03-20 02:21:41] [INFO ] Dead Transitions using invariants and state equation in 147 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 336/344 places, 301/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 657 ms. Remains : 336/344 places, 301/309 transitions.
Stuttering acceptance computed with spot in 160 ms :[(OR (NOT p1) p0), (OR (NOT p1) p0), (OR (NOT p1) p0), true, (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=(OR (NOT p1) p0), acceptance={} source=1 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND p1 p0), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(AND (EQ s99 1) (EQ s192 1)), p0:(AND (EQ s162 1) (EQ s164 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-01 finished in 843 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(p1)) U X(G((p1||F(p2))))))'
Support contains 3 out of 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 336 transition count 301
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 336 transition count 301
Applied a total of 16 rules in 10 ms. Remains 336 /344 variables (removed 8) and now considering 301/309 (removed 8) transitions.
[2023-03-20 02:21:41] [INFO ] Invariant cache hit.
[2023-03-20 02:21:41] [INFO ] Implicit Places using invariants in 173 ms returned []
[2023-03-20 02:21:41] [INFO ] Invariant cache hit.
[2023-03-20 02:21:41] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 425 ms to find 0 implicit places.
[2023-03-20 02:21:41] [INFO ] Invariant cache hit.
[2023-03-20 02:21:41] [INFO ] Dead Transitions using invariants and state equation in 249 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 336/344 places, 301/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 686 ms. Remains : 336/344 places, 301/309 transitions.
Stuttering acceptance computed with spot in 302 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=0 dest: 2}, { cond=(NOT p1), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=true, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 2}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={} source=5 dest: 4}, { cond=(AND p1 (NOT p2)), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=5 dest: 5}]], initial=1, aps=[p1:(EQ s78 1), p2:(EQ s34 1), p0:(EQ s17 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 147 reset in 360 ms.
Stack based approach found an accepted trace after 584 steps with 1 reset with depth 172 and stack size 172 in 3 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-02 finished in 1390 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 344 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 71 transitions
Trivial Post-agglo rules discarded 71 transitions
Performed 71 trivial Post agglomeration. Transition count delta: 71
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 343 transition count 237
Reduce places removed 71 places and 0 transitions.
Iterating post reduction 1 with 71 rules applied. Total rules applied 142 place count 272 transition count 237
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 35 Pre rules applied. Total rules applied 142 place count 272 transition count 202
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 2 with 70 rules applied. Total rules applied 212 place count 237 transition count 202
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 219 place count 230 transition count 195
Iterating global reduction 2 with 7 rules applied. Total rules applied 226 place count 230 transition count 195
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 226 place count 230 transition count 188
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 240 place count 223 transition count 188
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 0 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 398 place count 144 transition count 109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 399 place count 144 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 401 place count 143 transition count 107
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 429 place count 129 transition count 107
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 431 place count 127 transition count 105
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 432 place count 126 transition count 105
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 432 place count 126 transition count 103
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 436 place count 124 transition count 103
Applied a total of 436 rules in 74 ms. Remains 124 /344 variables (removed 220) and now considering 103/309 (removed 206) transitions.
// Phase 1: matrix 103 rows 124 cols
[2023-03-20 02:21:42] [INFO ] Computed 55 place invariants in 0 ms
[2023-03-20 02:21:42] [INFO ] Implicit Places using invariants in 78 ms returned [105, 109]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 80 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 122/344 places, 103/309 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 120 transition count 101
Applied a total of 4 rules in 4 ms. Remains 120 /122 variables (removed 2) and now considering 101/103 (removed 2) transitions.
// Phase 1: matrix 101 rows 120 cols
[2023-03-20 02:21:42] [INFO ] Computed 53 place invariants in 1 ms
[2023-03-20 02:21:42] [INFO ] Implicit Places using invariants in 93 ms returned []
[2023-03-20 02:21:42] [INFO ] Invariant cache hit.
[2023-03-20 02:21:43] [INFO ] Implicit Places using invariants and state equation in 206 ms returned []
Implicit Place search using SMT with State Equation took 319 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/344 places, 101/309 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 478 ms. Remains : 120/344 places, 101/309 transitions.
Stuttering acceptance computed with spot in 63 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-03 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 (NEQ s109 1) (NEQ s119 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 309 ms.
Stack based approach found an accepted trace after 120 steps with 0 reset with depth 121 and stack size 121 in 1 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-03 finished in 886 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 U (G(!p0)||(!p0&&(p1 U (p2||G(p1)))))))&&G((p3||G(!p0))))))'
Support contains 4 out of 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 339 transition count 304
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 339 transition count 304
Applied a total of 10 rules in 7 ms. Remains 339 /344 variables (removed 5) and now considering 304/309 (removed 5) transitions.
// Phase 1: matrix 304 rows 339 cols
[2023-03-20 02:21:43] [INFO ] Computed 56 place invariants in 1 ms
[2023-03-20 02:21:43] [INFO ] Implicit Places using invariants in 170 ms returned []
[2023-03-20 02:21:43] [INFO ] Invariant cache hit.
[2023-03-20 02:21:43] [INFO ] Implicit Places using invariants and state equation in 269 ms returned []
Implicit Place search using SMT with State Equation took 456 ms to find 0 implicit places.
[2023-03-20 02:21:43] [INFO ] Invariant cache hit.
[2023-03-20 02:21:44] [INFO ] Dead Transitions using invariants and state equation in 232 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 339/344 places, 304/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 696 ms. Remains : 339/344 places, 304/309 transitions.
Stuttering acceptance computed with spot in 479 ms :[p0, p0, true, p0, (AND p0 (NOT p3)), p0, (AND p0 (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p3) p0), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p3) (NOT p0)), acceptance={} source=1 dest: 3}, { cond=p3, acceptance={} source=1 dest: 4}, { cond=p3, acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p0, acceptance={} source=3 dest: 2}, { cond=(NOT p0), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p3) p0), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p3) (NOT p0)), acceptance={} source=4 dest: 3}, { cond=p3, acceptance={} source=4 dest: 4}], [{ cond=p0, acceptance={} source=5 dest: 2}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=5 dest: 6}], [{ cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=6 dest: 2}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=6 dest: 5}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={} source=6 dest: 6}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=6 dest: 7}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=7 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=7 dest: 7}]], initial=0, aps=[p3:(NEQ s265 1), p0:(EQ s80 1), p2:(AND (NEQ s75 1) (NEQ s41 1)), p1:(NEQ s41 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 87 steps with 1 reset in 1 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-04 finished in 1205 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 1 out of 344 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 71 transitions
Trivial Post-agglo rules discarded 71 transitions
Performed 71 trivial Post agglomeration. Transition count delta: 71
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 343 transition count 237
Reduce places removed 71 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 72 rules applied. Total rules applied 143 place count 272 transition count 236
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 144 place count 271 transition count 236
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 34 Pre rules applied. Total rules applied 144 place count 271 transition count 202
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 3 with 68 rules applied. Total rules applied 212 place count 237 transition count 202
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 219 place count 230 transition count 195
Iterating global reduction 3 with 7 rules applied. Total rules applied 226 place count 230 transition count 195
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 226 place count 230 transition count 188
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 240 place count 223 transition count 188
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 0 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 3 with 158 rules applied. Total rules applied 398 place count 144 transition count 109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 399 place count 144 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 401 place count 143 transition count 107
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 429 place count 129 transition count 107
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 431 place count 127 transition count 105
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 432 place count 126 transition count 105
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 2 Pre rules applied. Total rules applied 432 place count 126 transition count 103
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 436 place count 124 transition count 103
Applied a total of 436 rules in 65 ms. Remains 124 /344 variables (removed 220) and now considering 103/309 (removed 206) transitions.
// Phase 1: matrix 103 rows 124 cols
[2023-03-20 02:21:44] [INFO ] Computed 55 place invariants in 2 ms
[2023-03-20 02:21:44] [INFO ] Implicit Places using invariants in 142 ms returned [107, 111]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 143 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 122/344 places, 103/309 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 120 transition count 101
Applied a total of 4 rules in 4 ms. Remains 120 /122 variables (removed 2) and now considering 101/103 (removed 2) transitions.
// Phase 1: matrix 101 rows 120 cols
[2023-03-20 02:21:44] [INFO ] Computed 53 place invariants in 0 ms
[2023-03-20 02:21:44] [INFO ] Implicit Places using invariants in 101 ms returned []
[2023-03-20 02:21:45] [INFO ] Invariant cache hit.
[2023-03-20 02:21:45] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 199 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/344 places, 101/309 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 413 ms. Remains : 120/344 places, 101/309 transitions.
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s48 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 719 reset in 242 ms.
Stack based approach found an accepted trace after 9 steps with 0 reset with depth 10 and stack size 10 in 1 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-05 finished in 774 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&&G(p1))))'
Support contains 2 out of 344 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Reduce places removed 1 places and 1 transitions.
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 343 transition count 238
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 140 place count 273 transition count 238
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 34 Pre rules applied. Total rules applied 140 place count 273 transition count 204
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 2 with 68 rules applied. Total rules applied 208 place count 239 transition count 204
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 214 place count 233 transition count 198
Iterating global reduction 2 with 6 rules applied. Total rules applied 220 place count 233 transition count 198
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 220 place count 233 transition count 192
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 232 place count 227 transition count 192
Performed 82 Post agglomeration using F-continuation condition.Transition count delta: 82
Deduced a syphon composed of 82 places in 0 ms
Reduce places removed 82 places and 0 transitions.
Iterating global reduction 2 with 164 rules applied. Total rules applied 396 place count 145 transition count 110
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 397 place count 145 transition count 109
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 399 place count 144 transition count 108
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 425 place count 131 transition count 108
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 427 place count 129 transition count 106
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 428 place count 128 transition count 106
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 428 place count 128 transition count 104
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 432 place count 126 transition count 104
Applied a total of 432 rules in 58 ms. Remains 126 /344 variables (removed 218) and now considering 104/309 (removed 205) transitions.
// Phase 1: matrix 104 rows 126 cols
[2023-03-20 02:21:45] [INFO ] Computed 55 place invariants in 4 ms
[2023-03-20 02:21:45] [INFO ] Implicit Places using invariants in 210 ms returned [109, 113]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 212 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 124/344 places, 104/309 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 122 transition count 102
Applied a total of 4 rules in 5 ms. Remains 122 /124 variables (removed 2) and now considering 102/104 (removed 2) transitions.
// Phase 1: matrix 102 rows 122 cols
[2023-03-20 02:21:45] [INFO ] Computed 53 place invariants in 1 ms
[2023-03-20 02:21:45] [INFO ] Implicit Places using invariants in 116 ms returned []
[2023-03-20 02:21:45] [INFO ] Invariant cache hit.
[2023-03-20 02:21:45] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-20 02:21:46] [INFO ] Implicit Places using invariants and state equation in 226 ms returned []
Implicit Place search using SMT with State Equation took 356 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 122/344 places, 102/309 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 631 ms. Remains : 122/344 places, 102/309 transitions.
Stuttering acceptance computed with spot in 128 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}]], initial=0, aps=[p0:(EQ s78 1), p1:(EQ s99 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 279 ms.
Stack based approach found an accepted trace after 739 steps with 0 reset with depth 740 and stack size 738 in 14 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-06 finished in 1076 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 344 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Reduce places removed 1 places and 1 transitions.
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 343 transition count 238
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 140 place count 273 transition count 238
Performed 36 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 36 Pre rules applied. Total rules applied 140 place count 273 transition count 202
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 2 with 72 rules applied. Total rules applied 212 place count 237 transition count 202
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 219 place count 230 transition count 195
Iterating global reduction 2 with 7 rules applied. Total rules applied 226 place count 230 transition count 195
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 226 place count 230 transition count 188
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 240 place count 223 transition count 188
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 0 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 398 place count 144 transition count 109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 399 place count 144 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 401 place count 143 transition count 107
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 429 place count 129 transition count 107
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 431 place count 127 transition count 105
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 432 place count 126 transition count 105
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 432 place count 126 transition count 103
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 436 place count 124 transition count 103
Applied a total of 436 rules in 30 ms. Remains 124 /344 variables (removed 220) and now considering 103/309 (removed 206) transitions.
// Phase 1: matrix 103 rows 124 cols
[2023-03-20 02:21:46] [INFO ] Computed 55 place invariants in 1 ms
[2023-03-20 02:21:46] [INFO ] Implicit Places using invariants in 126 ms returned [107, 111]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 141 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 122/344 places, 103/309 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 120 transition count 101
Applied a total of 4 rules in 4 ms. Remains 120 /122 variables (removed 2) and now considering 101/103 (removed 2) transitions.
// Phase 1: matrix 101 rows 120 cols
[2023-03-20 02:21:46] [INFO ] Computed 53 place invariants in 1 ms
[2023-03-20 02:21:46] [INFO ] Implicit Places using invariants in 74 ms returned []
[2023-03-20 02:21:46] [INFO ] Invariant cache hit.
[2023-03-20 02:21:46] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/344 places, 101/309 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 366 ms. Remains : 120/344 places, 101/309 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-07 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 s40 0) (EQ s74 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 0 reset in 218 ms.
Stack based approach found an accepted trace after 420 steps with 0 reset with depth 421 and stack size 413 in 1 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-07 finished in 649 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 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 336 transition count 301
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 336 transition count 301
Applied a total of 16 rules in 6 ms. Remains 336 /344 variables (removed 8) and now considering 301/309 (removed 8) transitions.
// Phase 1: matrix 301 rows 336 cols
[2023-03-20 02:21:47] [INFO ] Computed 56 place invariants in 15 ms
[2023-03-20 02:21:47] [INFO ] Implicit Places using invariants in 198 ms returned []
[2023-03-20 02:21:47] [INFO ] Invariant cache hit.
[2023-03-20 02:21:48] [INFO ] Implicit Places using invariants and state equation in 846 ms returned []
Implicit Place search using SMT with State Equation took 1046 ms to find 0 implicit places.
[2023-03-20 02:21:48] [INFO ] Invariant cache hit.
[2023-03-20 02:21:48] [INFO ] Dead Transitions using invariants and state equation in 268 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 336/344 places, 301/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1323 ms. Remains : 336/344 places, 301/309 transitions.
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-08 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 s334 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 153 ms.
Product exploration explored 100000 steps with 50000 reset in 148 ms.
Computed a total of 78 stabilizing places and 78 stable transitions
Computed a total of 78 stabilizing places and 78 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 63 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-005B-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-005B-LTLFireability-08 finished in 1835 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 1 out of 344 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 71 transitions
Trivial Post-agglo rules discarded 71 transitions
Performed 71 trivial Post agglomeration. Transition count delta: 71
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 343 transition count 237
Reduce places removed 71 places and 0 transitions.
Iterating post reduction 1 with 71 rules applied. Total rules applied 142 place count 272 transition count 237
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 35 Pre rules applied. Total rules applied 142 place count 272 transition count 202
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 2 with 70 rules applied. Total rules applied 212 place count 237 transition count 202
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 219 place count 230 transition count 195
Iterating global reduction 2 with 7 rules applied. Total rules applied 226 place count 230 transition count 195
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 7 Pre rules applied. Total rules applied 226 place count 230 transition count 188
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 240 place count 223 transition count 188
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 0 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 398 place count 144 transition count 109
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 399 place count 144 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 401 place count 143 transition count 107
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 429 place count 129 transition count 107
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 430 place count 129 transition count 107
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 432 place count 127 transition count 105
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 433 place count 126 transition count 105
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 433 place count 126 transition count 103
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 437 place count 124 transition count 103
Applied a total of 437 rules in 48 ms. Remains 124 /344 variables (removed 220) and now considering 103/309 (removed 206) transitions.
// Phase 1: matrix 103 rows 124 cols
[2023-03-20 02:21:49] [INFO ] Computed 55 place invariants in 1 ms
[2023-03-20 02:21:49] [INFO ] Implicit Places using invariants in 110 ms returned [105, 109]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 125 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 122/344 places, 103/309 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 120 transition count 101
Applied a total of 4 rules in 4 ms. Remains 120 /122 variables (removed 2) and now considering 101/103 (removed 2) transitions.
// Phase 1: matrix 101 rows 120 cols
[2023-03-20 02:21:49] [INFO ] Computed 53 place invariants in 1 ms
[2023-03-20 02:21:49] [INFO ] Implicit Places using invariants in 63 ms returned []
[2023-03-20 02:21:49] [INFO ] Invariant cache hit.
[2023-03-20 02:21:49] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 120/344 places, 101/309 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 346 ms. Remains : 120/344 places, 101/309 transitions.
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s114 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]]
Product exploration explored 100000 steps with 2524 reset in 226 ms.
Stack based approach found an accepted trace after 48 steps with 2 reset with depth 20 and stack size 20 in 0 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-10 finished in 614 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))&&F((G(F(p1))||(p2&&F(p1))))))'
Support contains 4 out of 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 337 transition count 302
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 337 transition count 302
Applied a total of 14 rules in 8 ms. Remains 337 /344 variables (removed 7) and now considering 302/309 (removed 7) transitions.
// Phase 1: matrix 302 rows 337 cols
[2023-03-20 02:21:49] [INFO ] Computed 56 place invariants in 4 ms
[2023-03-20 02:21:49] [INFO ] Implicit Places using invariants in 359 ms returned []
[2023-03-20 02:21:49] [INFO ] Invariant cache hit.
[2023-03-20 02:21:50] [INFO ] Implicit Places using invariants and state equation in 416 ms returned []
Implicit Place search using SMT with State Equation took 791 ms to find 0 implicit places.
[2023-03-20 02:21:50] [INFO ] Invariant cache hit.
[2023-03-20 02:21:50] [INFO ] Dead Transitions using invariants and state equation in 285 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 337/344 places, 302/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1085 ms. Remains : 337/344 places, 302/309 transitions.
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}, { cond=(NOT p1), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p2), acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(NEQ s177 1), p1:(NEQ s191 1), p0:(AND (EQ s27 0) (EQ s138 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 133 ms.
Product exploration explored 100000 steps with 50000 reset in 150 ms.
Computed a total of 78 stabilizing places and 78 stable transitions
Computed a total of 78 stabilizing places and 78 stable transitions
Knowledge obtained : [(AND p2 p1 p0), (X p1), (X p2), (X p0), (X (X p1)), (X (X p2)), (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 7 factoid took 201 ms. Reduced automaton from 4 states, 7 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-005B-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-005B-LTLFireability-11 finished in 1735 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((p0||X(G(p1))))))'
Support contains 3 out of 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 337 transition count 302
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 337 transition count 302
Applied a total of 14 rules in 14 ms. Remains 337 /344 variables (removed 7) and now considering 302/309 (removed 7) transitions.
// Phase 1: matrix 302 rows 337 cols
[2023-03-20 02:21:51] [INFO ] Computed 56 place invariants in 1 ms
[2023-03-20 02:21:51] [INFO ] Implicit Places using invariants in 230 ms returned []
[2023-03-20 02:21:51] [INFO ] Invariant cache hit.
[2023-03-20 02:21:51] [INFO ] Implicit Places using invariants and state equation in 222 ms returned []
Implicit Place search using SMT with State Equation took 468 ms to find 0 implicit places.
[2023-03-20 02:21:51] [INFO ] Invariant cache hit.
[2023-03-20 02:21:52] [INFO ] Dead Transitions using invariants and state equation in 299 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 337/344 places, 302/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 782 ms. Remains : 337/344 places, 302/309 transitions.
Stuttering acceptance computed with spot in 153 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(NOT p0), acceptance={} source=3 dest: 1}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=2, aps=[p1:(AND (NEQ s122 1) (NEQ s137 1)), p0:(EQ s263 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 348 steps with 0 reset in 2 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-12 finished in 952 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 3 out of 344 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Reduce places removed 1 places and 1 transitions.
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 343 transition count 238
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 140 place count 273 transition count 238
Performed 36 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 36 Pre rules applied. Total rules applied 140 place count 273 transition count 202
Deduced a syphon composed of 36 places in 1 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 2 with 72 rules applied. Total rules applied 212 place count 237 transition count 202
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 218 place count 231 transition count 196
Iterating global reduction 2 with 6 rules applied. Total rules applied 224 place count 231 transition count 196
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 224 place count 231 transition count 190
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 236 place count 225 transition count 190
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 396 place count 145 transition count 110
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 397 place count 145 transition count 109
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 399 place count 144 transition count 108
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 427 place count 130 transition count 108
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 429 place count 128 transition count 106
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 430 place count 127 transition count 106
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 430 place count 127 transition count 104
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 434 place count 125 transition count 104
Applied a total of 434 rules in 57 ms. Remains 125 /344 variables (removed 219) and now considering 104/309 (removed 205) transitions.
// Phase 1: matrix 104 rows 125 cols
[2023-03-20 02:21:52] [INFO ] Computed 55 place invariants in 1 ms
[2023-03-20 02:21:52] [INFO ] Implicit Places using invariants in 154 ms returned [108, 112]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 155 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 123/344 places, 104/309 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 121 transition count 102
Applied a total of 4 rules in 3 ms. Remains 121 /123 variables (removed 2) and now considering 102/104 (removed 2) transitions.
// Phase 1: matrix 102 rows 121 cols
[2023-03-20 02:21:52] [INFO ] Computed 53 place invariants in 1 ms
[2023-03-20 02:21:52] [INFO ] Implicit Places using invariants in 100 ms returned []
[2023-03-20 02:21:52] [INFO ] Invariant cache hit.
[2023-03-20 02:21:52] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 259 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 121/344 places, 102/309 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 474 ms. Remains : 121/344 places, 102/309 transitions.
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-13 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:(EQ s73 0), p1:(OR (EQ s30 0) (EQ s48 0))], 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 0 reset in 251 ms.
Stack based approach found an accepted trace after 1873 steps with 2 reset with depth 1473 and stack size 1460 in 4 ms.
FORMULA ShieldPPPt-PT-005B-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-005B-LTLFireability-13 finished in 906 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(X(F(p0)))))||(G(p1)&&X(F(p2)))))'
Support contains 5 out of 344 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 337 transition count 302
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 337 transition count 302
Applied a total of 14 rules in 6 ms. Remains 337 /344 variables (removed 7) and now considering 302/309 (removed 7) transitions.
// Phase 1: matrix 302 rows 337 cols
[2023-03-20 02:21:53] [INFO ] Computed 56 place invariants in 1 ms
[2023-03-20 02:21:53] [INFO ] Implicit Places using invariants in 112 ms returned []
[2023-03-20 02:21:53] [INFO ] Invariant cache hit.
[2023-03-20 02:21:53] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 288 ms to find 0 implicit places.
[2023-03-20 02:21:53] [INFO ] Invariant cache hit.
[2023-03-20 02:21:53] [INFO ] Dead Transitions using invariants and state equation in 128 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 337/344 places, 302/309 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 423 ms. Remains : 337/344 places, 302/309 transitions.
Stuttering acceptance computed with spot in 731 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p2) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND p1 p2 (NOT p0)), acceptance={0} source=0 dest: 3}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 11}], [{ cond=p1, acceptance={} source=1 dest: 2}, { cond=(NOT p1), acceptance={} source=1 dest: 10}], [{ cond=p1, acceptance={} source=2 dest: 3}, { cond=(NOT p1), acceptance={} source=2 dest: 11}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 11}], [{ cond=p1, acceptance={} source=4 dest: 5}, { cond=(NOT p1), acceptance={} source=4 dest: 8}], [{ cond=(AND p1 p2), acceptance={} source=5 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=5 dest: 6}, { cond=(NOT p1), acceptance={} source=5 dest: 9}], [{ cond=(AND p1 p2), acceptance={} source=6 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=6 dest: 7}, { cond=(NOT p1), acceptance={} source=6 dest: 10}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=7 dest: 0}, { cond=(AND p1 p2), acceptance={} source=7 dest: 3}, { cond=(NOT p1), acceptance={} source=7 dest: 11}], [{ cond=true, acceptance={} source=8 dest: 9}], [{ cond=true, acceptance={} source=9 dest: 10}], [{ cond=true, acceptance={} source=10 dest: 11}], [{ cond=(NOT p0), acceptance={0} source=11 dest: 11}]], initial=4, aps=[p1:(EQ s113 1), p2:(AND (EQ s103 1) (EQ s105 1)), p0:(AND (EQ s302 1) (EQ s304 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, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 1217 reset in 261 ms.
Product exploration explored 100000 steps with 1215 reset in 209 ms.
Computed a total of 78 stabilizing places and 78 stable transitions
Computed a total of 78 stabilizing places and 78 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p2)))), true, (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 421 ms. Reduced automaton from 12 states, 24 edges and 3 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 311 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 57 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=19 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p2)))), true, (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 8 factoid took 557 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 314 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 338 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 02:21:56] [INFO ] Invariant cache hit.
[2023-03-20 02:21:57] [INFO ] [Real]Absence check using 56 positive place invariants in 25 ms returned sat
[2023-03-20 02:21:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:21:57] [INFO ] [Real]Absence check using state equation in 242 ms returned sat
[2023-03-20 02:21:57] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:21:57] [INFO ] [Nat]Absence check using 56 positive place invariants in 24 ms returned sat
[2023-03-20 02:21:57] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:21:57] [INFO ] [Nat]Absence check using state equation in 264 ms returned sat
[2023-03-20 02:21:57] [INFO ] Computed and/alt/rep : 301/447/301 causal constraints (skipped 0 transitions) in 40 ms.
[2023-03-20 02:22:00] [INFO ] Added : 301 causal constraints over 61 iterations in 2678 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 337 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 337/337 places, 302/302 transitions.
Applied a total of 0 rules in 9 ms. Remains 337 /337 variables (removed 0) and now considering 302/302 (removed 0) transitions.
[2023-03-20 02:22:00] [INFO ] Invariant cache hit.
[2023-03-20 02:22:00] [INFO ] Implicit Places using invariants in 254 ms returned []
[2023-03-20 02:22:00] [INFO ] Invariant cache hit.
[2023-03-20 02:22:01] [INFO ] Implicit Places using invariants and state equation in 375 ms returned []
Implicit Place search using SMT with State Equation took 643 ms to find 0 implicit places.
[2023-03-20 02:22:01] [INFO ] Invariant cache hit.
[2023-03-20 02:22:01] [INFO ] Dead Transitions using invariants and state equation in 195 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 848 ms. Remains : 337/337 places, 302/302 transitions.
Computed a total of 78 stabilizing places and 78 stable transitions
Computed a total of 78 stabilizing places and 78 stable transitions
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 117 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 336 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 77 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=25 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 156 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 331 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 227 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 02:22:02] [INFO ] Invariant cache hit.
[2023-03-20 02:22:02] [INFO ] [Real]Absence check using 56 positive place invariants in 17 ms returned sat
[2023-03-20 02:22:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:22:03] [INFO ] [Real]Absence check using state equation in 335 ms returned sat
[2023-03-20 02:22:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:22:03] [INFO ] [Nat]Absence check using 56 positive place invariants in 15 ms returned sat
[2023-03-20 02:22:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:22:03] [INFO ] [Nat]Absence check using state equation in 267 ms returned sat
[2023-03-20 02:22:03] [INFO ] Computed and/alt/rep : 301/447/301 causal constraints (skipped 0 transitions) in 47 ms.
[2023-03-20 02:22:05] [INFO ] Added : 301 causal constraints over 61 iterations in 2267 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 281 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1219 reset in 181 ms.
Product exploration explored 100000 steps with 1212 reset in 213 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 337 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 337 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 337/337 places, 302/302 transitions.
Performed 69 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 69 rules applied. Total rules applied 69 place count 337 transition count 302
Performed 26 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 26 Pre rules applied. Total rules applied 69 place count 337 transition count 323
Deduced a syphon composed of 95 places in 1 ms
Iterating global reduction 1 with 26 rules applied. Total rules applied 95 place count 337 transition count 323
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 96 place count 336 transition count 322
Deduced a syphon composed of 95 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 97 place count 336 transition count 322
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 97 place count 336 transition count 323
Deduced a syphon composed of 96 places in 1 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 98 place count 336 transition count 323
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 99 place count 335 transition count 321
Deduced a syphon composed of 95 places in 1 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 100 place count 335 transition count 321
Performed 94 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 189 places in 0 ms
Iterating global reduction 1 with 94 rules applied. Total rules applied 194 place count 335 transition count 321
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 195 place count 335 transition count 320
Discarding 36 places :
Symmetric choice reduction at 2 with 36 rule applications. Total rules 231 place count 299 transition count 284
Deduced a syphon composed of 153 places in 0 ms
Iterating global reduction 2 with 36 rules applied. Total rules applied 267 place count 299 transition count 284
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 154 places in 0 ms
Iterating global reduction 2 with 1 rules applied. Total rules applied 268 place count 299 transition count 284
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 270 place count 297 transition count 282
Deduced a syphon composed of 152 places in 1 ms
Iterating global reduction 2 with 2 rules applied. Total rules applied 272 place count 297 transition count 282
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: -79
Deduced a syphon composed of 171 places in 0 ms
Iterating global reduction 2 with 19 rules applied. Total rules applied 291 place count 297 transition count 361
Discarding 19 places :
Symmetric choice reduction at 2 with 19 rule applications. Total rules 310 place count 278 transition count 323
Deduced a syphon composed of 152 places in 0 ms
Iterating global reduction 2 with 19 rules applied. Total rules applied 329 place count 278 transition count 323
Deduced a syphon composed of 152 places in 0 ms
Applied a total of 329 rules in 127 ms. Remains 278 /337 variables (removed 59) and now considering 323/302 (removed -21) transitions.
[2023-03-20 02:22:07] [INFO ] Redundant transitions in 9 ms returned []
// Phase 1: matrix 323 rows 278 cols
[2023-03-20 02:22:07] [INFO ] Computed 56 place invariants in 2 ms
[2023-03-20 02:22:07] [INFO ] Dead Transitions using invariants and state equation in 200 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 278/337 places, 323/302 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 373 ms. Remains : 278/337 places, 323/302 transitions.
Support contains 2 out of 337 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 337/337 places, 302/302 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 336 transition count 301
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 336 transition count 301
Applied a total of 2 rules in 15 ms. Remains 336 /337 variables (removed 1) and now considering 301/302 (removed 1) transitions.
// Phase 1: matrix 301 rows 336 cols
[2023-03-20 02:22:07] [INFO ] Computed 56 place invariants in 2 ms
[2023-03-20 02:22:07] [INFO ] Implicit Places using invariants in 122 ms returned []
[2023-03-20 02:22:07] [INFO ] Invariant cache hit.
[2023-03-20 02:22:08] [INFO ] Implicit Places using invariants and state equation in 275 ms returned []
Implicit Place search using SMT with State Equation took 399 ms to find 0 implicit places.
[2023-03-20 02:22:08] [INFO ] Invariant cache hit.
[2023-03-20 02:22:08] [INFO ] Dead Transitions using invariants and state equation in 202 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 336/337 places, 301/302 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 616 ms. Remains : 336/337 places, 301/302 transitions.
Treatment of property ShieldPPPt-PT-005B-LTLFireability-14 finished in 15160 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(X(X(F(p0)))))||(G(p1)&&X(F(p2)))))'
Found a Shortening insensitive property : ShieldPPPt-PT-005B-LTLFireability-14
Stuttering acceptance computed with spot in 596 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 5 out of 344 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 344/344 places, 309/309 transitions.
Reduce places removed 1 places and 1 transitions.
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 343 transition count 238
Reduce places removed 70 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 72 rules applied. Total rules applied 142 place count 273 transition count 236
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 144 place count 271 transition count 236
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 35 Pre rules applied. Total rules applied 144 place count 271 transition count 201
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 3 with 70 rules applied. Total rules applied 214 place count 236 transition count 201
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 220 place count 230 transition count 195
Iterating global reduction 3 with 6 rules applied. Total rules applied 226 place count 230 transition count 195
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 226 place count 230 transition count 189
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 238 place count 224 transition count 189
Performed 81 Post agglomeration using F-continuation condition.Transition count delta: 81
Deduced a syphon composed of 81 places in 0 ms
Reduce places removed 81 places and 0 transitions.
Iterating global reduction 3 with 162 rules applied. Total rules applied 400 place count 143 transition count 108
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 401 place count 143 transition count 107
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 403 place count 142 transition count 106
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 4 with 28 rules applied. Total rules applied 431 place count 128 transition count 106
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 433 place count 126 transition count 104
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 434 place count 125 transition count 104
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 2 Pre rules applied. Total rules applied 434 place count 125 transition count 102
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 5 with 4 rules applied. Total rules applied 438 place count 123 transition count 102
Applied a total of 438 rules in 29 ms. Remains 123 /344 variables (removed 221) and now considering 102/309 (removed 207) transitions.
// Phase 1: matrix 102 rows 123 cols
[2023-03-20 02:22:09] [INFO ] Computed 55 place invariants in 1 ms
[2023-03-20 02:22:09] [INFO ] Implicit Places using invariants in 238 ms returned [106, 110]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 239 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 121/344 places, 102/309 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 119 transition count 100
Applied a total of 4 rules in 14 ms. Remains 119 /121 variables (removed 2) and now considering 100/102 (removed 2) transitions.
// Phase 1: matrix 100 rows 119 cols
[2023-03-20 02:22:09] [INFO ] Computed 53 place invariants in 0 ms
[2023-03-20 02:22:09] [INFO ] Implicit Places using invariants in 84 ms returned []
[2023-03-20 02:22:09] [INFO ] Invariant cache hit.
[2023-03-20 02:22:09] [INFO ] Implicit Places using invariants and state equation in 169 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 119/344 places, 100/309 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 551 ms. Remains : 119/344 places, 100/309 transitions.
Running random walk in product with property : ShieldPPPt-PT-005B-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p2) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND p1 p2 (NOT p0)), acceptance={0} source=0 dest: 3}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 11}], [{ cond=p1, acceptance={} source=1 dest: 2}, { cond=(NOT p1), acceptance={} source=1 dest: 10}], [{ cond=p1, acceptance={} source=2 dest: 3}, { cond=(NOT p1), acceptance={} source=2 dest: 11}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 11}], [{ cond=p1, acceptance={} source=4 dest: 5}, { cond=(NOT p1), acceptance={} source=4 dest: 8}], [{ cond=(AND p1 p2), acceptance={} source=5 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=5 dest: 6}, { cond=(NOT p1), acceptance={} source=5 dest: 9}], [{ cond=(AND p1 p2), acceptance={} source=6 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=6 dest: 7}, { cond=(NOT p1), acceptance={} source=6 dest: 10}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=7 dest: 0}, { cond=(AND p1 p2), acceptance={} source=7 dest: 3}, { cond=(NOT p1), acceptance={} source=7 dest: 11}], [{ cond=true, acceptance={} source=8 dest: 9}], [{ cond=true, acceptance={} source=9 dest: 10}], [{ cond=true, acceptance={} source=10 dest: 11}], [{ cond=(NOT p0), acceptance={0} source=11 dest: 11}]], initial=4, aps=[p1:(EQ s46 1), p2:(AND (EQ s41 1) (EQ s43 1)), p0:(AND (EQ s110 1) (EQ s112 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false]]
Product exploration explored 100000 steps with 14112 reset in 186 ms.
Product exploration explored 100000 steps with 13985 reset in 185 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 p1) (NOT p2) (NOT p0)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p2)))), true, (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 8 factoid took 391 ms. Reduced automaton from 12 states, 24 edges and 3 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 304 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND (NOT p1) (NOT p2) (NOT p0)), (X (NOT (AND p1 p2))), (X (NOT p1)), (X (NOT (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p2)))), true, (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 8 factoid took 499 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 247 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 168 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 02:22:11] [INFO ] Invariant cache hit.
[2023-03-20 02:22:11] [INFO ] [Real]Absence check using 53 positive place invariants in 10 ms returned sat
[2023-03-20 02:22:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:22:11] [INFO ] [Real]Absence check using state equation in 86 ms returned sat
[2023-03-20 02:22:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:22:11] [INFO ] [Nat]Absence check using 53 positive place invariants in 8 ms returned sat
[2023-03-20 02:22:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:22:12] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2023-03-20 02:22:12] [INFO ] Computed and/alt/rep : 96/148/96 causal constraints (skipped 0 transitions) in 9 ms.
[2023-03-20 02:22:12] [INFO ] Added : 68 causal constraints over 14 iterations in 297 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 119 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 119/119 places, 100/100 transitions.
Applied a total of 0 rules in 1 ms. Remains 119 /119 variables (removed 0) and now considering 100/100 (removed 0) transitions.
[2023-03-20 02:22:12] [INFO ] Invariant cache hit.
[2023-03-20 02:22:12] [INFO ] Implicit Places using invariants in 246 ms returned []
[2023-03-20 02:22:12] [INFO ] Invariant cache hit.
[2023-03-20 02:22:12] [INFO ] Implicit Places using invariants and state equation in 263 ms returned []
Implicit Place search using SMT with State Equation took 544 ms to find 0 implicit places.
[2023-03-20 02:22:12] [INFO ] Invariant cache hit.
[2023-03-20 02:22:12] [INFO ] Dead Transitions using invariants and state equation in 64 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 615 ms. Remains : 119/119 places, 100/100 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), true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 118 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 198 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 2 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=2 )
Knowledge obtained : [(NOT p0), true]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 191 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 260 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 288 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
[2023-03-20 02:22:14] [INFO ] Invariant cache hit.
[2023-03-20 02:22:14] [INFO ] [Real]Absence check using 53 positive place invariants in 13 ms returned sat
[2023-03-20 02:22:14] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 02:22:14] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2023-03-20 02:22:14] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 02:22:14] [INFO ] [Nat]Absence check using 53 positive place invariants in 59 ms returned sat
[2023-03-20 02:22:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 02:22:14] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2023-03-20 02:22:14] [INFO ] Computed and/alt/rep : 96/148/96 causal constraints (skipped 0 transitions) in 9 ms.
[2023-03-20 02:22:14] [INFO ] Added : 68 causal constraints over 14 iterations in 216 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 179 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 13975 reset in 208 ms.
Product exploration explored 100000 steps with 14026 reset in 156 ms.
Applying partial POR strategy [true, false, false, false, false]
Stuttering acceptance computed with spot in 210 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 2 out of 119 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 119/119 places, 100/100 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 119 transition count 101
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 1 rules in 9 ms. Remains 119 /119 variables (removed 0) and now considering 101/100 (removed -1) transitions.
[2023-03-20 02:22:15] [INFO ] Redundant transitions in 2 ms returned []
// Phase 1: matrix 101 rows 119 cols
[2023-03-20 02:22:15] [INFO ] Computed 53 place invariants in 0 ms
[2023-03-20 02:22:15] [INFO ] Dead Transitions using invariants and state equation in 100 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 119/119 places, 101/100 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 119 ms. Remains : 119/119 places, 101/100 transitions.
Support contains 2 out of 119 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 119/119 places, 100/100 transitions.
Applied a total of 0 rules in 1 ms. Remains 119 /119 variables (removed 0) and now considering 100/100 (removed 0) transitions.
// Phase 1: matrix 100 rows 119 cols
[2023-03-20 02:22:15] [INFO ] Computed 53 place invariants in 0 ms
[2023-03-20 02:22:15] [INFO ] Implicit Places using invariants in 83 ms returned []
[2023-03-20 02:22:15] [INFO ] Invariant cache hit.
[2023-03-20 02:22:15] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 248 ms to find 0 implicit places.
[2023-03-20 02:22:15] [INFO ] Invariant cache hit.
[2023-03-20 02:22:15] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 322 ms. Remains : 119/119 places, 100/100 transitions.
Treatment of property ShieldPPPt-PT-005B-LTLFireability-14 finished in 7653 ms.
[2023-03-20 02:22:16] [INFO ] Flatten gal took : 39 ms
[2023-03-20 02:22:16] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-20 02:22:16] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 344 places, 309 transitions and 798 arcs took 3 ms.
Total runtime 41345 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT ShieldPPPt-PT-005B
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/373
LTLFireability

BK_STOP 1679278991440

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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/373/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/373/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/373/LTLFireability.xml
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 1 (type EXCL) for 0 ShieldPPPt-PT-005B-LTLFireability-14
lola: time limit : 3600 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 5/3600 4/32 ShieldPPPt-PT-005B-LTLFireability-14 523211 m, 104642 m/sec, 2524659 t fired, .

Time elapsed: 5 secs. Pages in use: 4
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 10/3600 7/32 ShieldPPPt-PT-005B-LTLFireability-14 1009789 m, 97315 m/sec, 5027305 t fired, .

Time elapsed: 10 secs. Pages in use: 7
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 15/3600 10/32 ShieldPPPt-PT-005B-LTLFireability-14 1463113 m, 90664 m/sec, 7511510 t fired, .

Time elapsed: 15 secs. Pages in use: 10
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 20/3600 13/32 ShieldPPPt-PT-005B-LTLFireability-14 1905206 m, 88418 m/sec, 10036816 t fired, .

Time elapsed: 20 secs. Pages in use: 13
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 25/3600 16/32 ShieldPPPt-PT-005B-LTLFireability-14 2348267 m, 88612 m/sec, 12524846 t fired, .

Time elapsed: 25 secs. Pages in use: 16
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 30/3600 20/32 ShieldPPPt-PT-005B-LTLFireability-14 2871024 m, 104551 m/sec, 14978911 t fired, .

Time elapsed: 30 secs. Pages in use: 20
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 35/3600 23/32 ShieldPPPt-PT-005B-LTLFireability-14 3287264 m, 83248 m/sec, 17471404 t fired, .

Time elapsed: 35 secs. Pages in use: 23
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 40/3600 25/32 ShieldPPPt-PT-005B-LTLFireability-14 3723839 m, 87315 m/sec, 19950571 t fired, .

Time elapsed: 40 secs. Pages in use: 25
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 45/3600 28/32 ShieldPPPt-PT-005B-LTLFireability-14 4172057 m, 89643 m/sec, 22366622 t fired, .

Time elapsed: 45 secs. Pages in use: 28
# running tasks: 1 of 4 Visible: 1
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 50/3600 30/32 ShieldPPPt-PT-005B-LTLFireability-14 4476618 m, 60912 m/sec, 24890404 t fired, .

Time elapsed: 50 secs. Pages in use: 30
# running tasks: 1 of 4 Visible: 1
lola: CANCELED task # 1 (type EXCL) for ShieldPPPt-PT-005B-LTLFireability-14 (memory limit exceeded)
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
ShieldPPPt-PT-005B-LTLFireability-14: LTL 0 0 0 0 1 0 1 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS

Time elapsed: 55 secs. Pages in use: 32
# running tasks: 1 of 4 Visible: 1
lola: Portfolio finished: no open tasks 1

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
ShieldPPPt-PT-005B-LTLFireability-14: LTL unknown AGGR


Time elapsed: 55 secs. Pages in use: 32

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="ShieldPPPt-PT-005B"
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 ShieldPPPt-PT-005B, 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-oct2-167903715500604"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-005B.tgz
mv ShieldPPPt-PT-005B 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 ;