fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r103-tall-167814478700716
Last Updated
May 14, 2023

About the Execution of LoLa+red for DLCround-PT-09a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
278.707 8072.00 15842.00 303.30 FFFFFFFFFFFFFFFF 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.r103-tall-167814478700716.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is DLCround-PT-09a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r103-tall-167814478700716
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 968K
-rw-r--r-- 1 mcc users 6.1K Feb 25 19:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Feb 25 19:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 19:11 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 25 19:11 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Feb 25 15:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 20:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 25 20:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 20:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 25 20:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 566K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

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

=== Now, execution of the tool begins

BK_START 1678276858799

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=DLCround-PT-09a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-08 12:01:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-08 12:01:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 12:01:00] [INFO ] Load time of PNML (sax parser for PT used): 103 ms
[2023-03-08 12:01:00] [INFO ] Transformed 299 places.
[2023-03-08 12:01:00] [INFO ] Transformed 2243 transitions.
[2023-03-08 12:01:00] [INFO ] Found NUPN structural information;
[2023-03-08 12:01:00] [INFO ] Parsed PT model containing 299 places and 2243 transitions and 8689 arcs in 174 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 216 transitions
Reduce redundant transitions removed 216 transitions.
FORMULA DLCround-PT-09a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 56 out of 299 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 299/299 places, 2027/2027 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 17 place count 282 transition count 1796
Iterating global reduction 0 with 17 rules applied. Total rules applied 34 place count 282 transition count 1796
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 38 place count 282 transition count 1792
Drop transitions removed 587 transitions
Redundant transition composition rules discarded 587 transitions
Iterating global reduction 1 with 587 rules applied. Total rules applied 625 place count 282 transition count 1205
Applied a total of 625 rules in 84 ms. Remains 282 /299 variables (removed 17) and now considering 1205/2027 (removed 822) transitions.
[2023-03-08 12:01:00] [INFO ] Flow matrix only has 181 transitions (discarded 1024 similar events)
// Phase 1: matrix 181 rows 282 cols
[2023-03-08 12:01:00] [INFO ] Computed 184 place invariants in 18 ms
[2023-03-08 12:01:01] [INFO ] Implicit Places using invariants in 660 ms returned [112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 126, 128, 129, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 167, 168, 170, 171, 172, 173, 174, 175, 176, 177, 178, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 194, 195, 196, 197, 198, 199, 201, 202, 204, 206, 207, 208, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 242, 243, 244, 245, 249, 251, 252, 253, 254, 255, 257, 258, 259, 260, 261, 262, 263, 264, 266, 267, 269, 270, 271, 273, 274, 275, 276, 277, 278]
Discarding 143 places :
Ensure Unique test removed 783 transitions
Reduce isomorphic transitions removed 783 transitions.
Implicit Place search using SMT only with invariants took 687 ms to find 143 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 139/299 places, 422/2027 transitions.
Drop transitions removed 183 transitions
Redundant transition composition rules discarded 183 transitions
Iterating global reduction 0 with 183 rules applied. Total rules applied 183 place count 139 transition count 239
Applied a total of 183 rules in 5 ms. Remains 139 /139 variables (removed 0) and now considering 239/422 (removed 183) transitions.
[2023-03-08 12:01:01] [INFO ] Flow matrix only has 181 transitions (discarded 58 similar events)
// Phase 1: matrix 181 rows 139 cols
[2023-03-08 12:01:01] [INFO ] Computed 41 place invariants in 2 ms
[2023-03-08 12:01:01] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-08 12:01:01] [INFO ] Flow matrix only has 181 transitions (discarded 58 similar events)
[2023-03-08 12:01:01] [INFO ] Invariant cache hit.
[2023-03-08 12:01:01] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:01] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 139/299 places, 239/2027 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 907 ms. Remains : 139/299 places, 239/2027 transitions.
Support contains 56 out of 139 places after structural reductions.
[2023-03-08 12:01:01] [INFO ] Flatten gal took : 34 ms
[2023-03-08 12:01:01] [INFO ] Flatten gal took : 12 ms
[2023-03-08 12:01:01] [INFO ] Input system was already deterministic with 239 transitions.
Support contains 54 out of 139 places (down from 56) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 116 ms. (steps per millisecond=86 ) properties (out of 31) seen :30
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-08 12:01:01] [INFO ] Flow matrix only has 181 transitions (discarded 58 similar events)
[2023-03-08 12:01:01] [INFO ] Invariant cache hit.
[2023-03-08 12:01:01] [INFO ] [Real]Absence check using 41 positive place invariants in 7 ms returned sat
[2023-03-08 12:01:01] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
FORMULA DLCround-PT-09a-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
Computed a total of 28 stabilizing places and 1 stable transitions
Graph (complete) has 279 edges and 139 vertex of which 112 are kept as prefixes of interest. Removing 27 places using SCC suffix rule.3 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F(!p0)) U G(p1)))))'
Support contains 3 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 113 transition count 239
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 37 place count 102 transition count 217
Iterating global reduction 1 with 11 rules applied. Total rules applied 48 place count 102 transition count 217
Applied a total of 48 rules in 4 ms. Remains 102 /139 variables (removed 37) and now considering 217/239 (removed 22) transitions.
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 170 transitions (discarded 47 similar events)
// Phase 1: matrix 170 rows 102 cols
[2023-03-08 12:01:02] [INFO ] Computed 15 place invariants in 2 ms
[2023-03-08 12:01:02] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 170 transitions (discarded 47 similar events)
[2023-03-08 12:01:02] [INFO ] Invariant cache hit.
[2023-03-08 12:01:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:02] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 170 transitions (discarded 47 similar events)
[2023-03-08 12:01:02] [INFO ] Invariant cache hit.
[2023-03-08 12:01:02] [INFO ] Dead Transitions using invariants and state equation in 83 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 102/139 places, 217/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 192 ms. Remains : 102/139 places, 217/239 transitions.
Stuttering acceptance computed with spot in 371 ms :[(NOT p1), (NOT p1), (NOT p1), p0, (AND p0 p1)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 3}, { cond=(NOT p1), acceptance={} source=2 dest: 4}], [{ cond=p0, acceptance={0} source=3 dest: 3}], [{ cond=(AND p1 p0), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(EQ s13 1), p0:(AND (EQ s35 1) (EQ s101 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA DLCround-PT-09a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-00 finished in 616 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Graph (trivial) has 235 edges and 139 vertex of which 110 / 139 are part of one of the 14 SCC in 4 ms
Free SCC test removed 96 places
Ensure Unique test removed 221 transitions
Reduce isomorphic transitions removed 221 transitions.
Graph (complete) has 58 edges and 43 vertex of which 17 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 0 output transitions
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 14 place count 5 transition count 6
Iterating global reduction 0 with 12 rules applied. Total rules applied 26 place count 5 transition count 6
Applied a total of 26 rules in 14 ms. Remains 5 /139 variables (removed 134) and now considering 6/239 (removed 233) transitions.
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 4 transitions (discarded 2 similar events)
// Phase 1: matrix 4 rows 5 cols
[2023-03-08 12:01:02] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-08 12:01:02] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 4 transitions (discarded 2 similar events)
[2023-03-08 12:01:02] [INFO ] Invariant cache hit.
[2023-03-08 12:01:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:02] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-08 12:01:02] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 4 transitions (discarded 2 similar events)
[2023-03-08 12:01:02] [INFO ] Invariant cache hit.
[2023-03-08 12:01:02] [INFO ] Dead Transitions using invariants and state equation in 16 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/139 places, 6/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 5/139 places, 6/239 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s2 1) (EQ s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-01 finished in 130 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 113 transition count 239
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 36 place count 103 transition count 219
Iterating global reduction 1 with 10 rules applied. Total rules applied 46 place count 103 transition count 219
Applied a total of 46 rules in 9 ms. Remains 103 /139 variables (removed 36) and now considering 219/239 (removed 20) transitions.
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
// Phase 1: matrix 171 rows 103 cols
[2023-03-08 12:01:02] [INFO ] Computed 15 place invariants in 2 ms
[2023-03-08 12:01:02] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:02] [INFO ] Invariant cache hit.
[2023-03-08 12:01:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:02] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-08 12:01:02] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:02] [INFO ] Invariant cache hit.
[2023-03-08 12:01:03] [INFO ] Dead Transitions using invariants and state equation in 72 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 103/139 places, 219/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 175 ms. Remains : 103/139 places, 219/239 transitions.
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}]], initial=2, aps=[p0:(AND (EQ s31 1) (EQ s102 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-09a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-02 finished in 265 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1) U (F(G(!p2)) U p2))))'
Support contains 6 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 115 transition count 239
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 33 place count 106 transition count 221
Iterating global reduction 1 with 9 rules applied. Total rules applied 42 place count 106 transition count 221
Applied a total of 42 rules in 6 ms. Remains 106 /139 variables (removed 33) and now considering 221/239 (removed 18) transitions.
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 172 transitions (discarded 49 similar events)
// Phase 1: matrix 172 rows 106 cols
[2023-03-08 12:01:03] [INFO ] Computed 17 place invariants in 3 ms
[2023-03-08 12:01:03] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 172 transitions (discarded 49 similar events)
[2023-03-08 12:01:03] [INFO ] Invariant cache hit.
[2023-03-08 12:01:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:03] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 172 transitions (discarded 49 similar events)
[2023-03-08 12:01:03] [INFO ] Invariant cache hit.
[2023-03-08 12:01:03] [INFO ] Dead Transitions using invariants and state equation in 78 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 106/139 places, 221/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 171 ms. Remains : 106/139 places, 221/239 transitions.
Stuttering acceptance computed with spot in 166 ms :[(NOT p2), (NOT p2), p2, (NOT p2), (AND (NOT p1) p2)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND (NOT p2) p1) (AND (NOT p2) p0)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p2) (NOT p1) p0), acceptance={} source=1 dest: 4}], [{ cond=(NOT p2), acceptance={} source=2 dest: 2}, { cond=p2, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={} source=3 dest: 2}, { cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p2) (NOT p1) p0), acceptance={} source=4 dest: 4}, { cond=(AND p2 (NOT p1) p0), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p2:(AND (EQ s26 1) (EQ s104 1)), p1:(AND (EQ s8 1) (EQ s103 1)), p0:(AND (EQ s102 1) (EQ s105 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-09a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-03 finished in 358 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0&&(G(F(p1))||G(p2))))))'
Support contains 6 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Graph (trivial) has 226 edges and 139 vertex of which 100 / 139 are part of one of the 14 SCC in 1 ms
Free SCC test removed 86 places
Ensure Unique test removed 198 transitions
Reduce isomorphic transitions removed 198 transitions.
Graph (complete) has 81 edges and 53 vertex of which 29 are kept as prefixes of interest. Removing 24 places using SCC suffix rule.1 ms
Discarding 24 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 29 transition count 39
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 27 transition count 39
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 17 place count 16 transition count 27
Iterating global reduction 2 with 11 rules applied. Total rules applied 28 place count 16 transition count 27
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 31 place count 16 transition count 24
Applied a total of 31 rules in 8 ms. Remains 16 /139 variables (removed 123) and now considering 24/239 (removed 215) transitions.
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 15 transitions (discarded 9 similar events)
// Phase 1: matrix 15 rows 16 cols
[2023-03-08 12:01:03] [INFO ] Computed 7 place invariants in 0 ms
[2023-03-08 12:01:03] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 15 transitions (discarded 9 similar events)
[2023-03-08 12:01:03] [INFO ] Invariant cache hit.
[2023-03-08 12:01:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:03] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-03-08 12:01:03] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 15 transitions (discarded 9 similar events)
[2023-03-08 12:01:03] [INFO ] Invariant cache hit.
[2023-03-08 12:01:03] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 16/139 places, 24/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 81 ms. Remains : 16/139 places, 24/239 transitions.
Stuttering acceptance computed with spot in 99 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}, { cond=(NOT p0), acceptance={0, 1} source=0 dest: 0}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 (NOT p1) p2), acceptance={0} source=1 dest: 1}, { cond=(OR (AND (NOT p0) (NOT p1)) (AND (NOT p1) (NOT p2))), acceptance={0, 1} source=1 dest: 1}, { cond=(AND p0 (NOT p1) p2), acceptance={1} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0, 1} source=2 dest: 1}, { cond=(AND (NOT p1) p2), acceptance={1} source=2 dest: 2}]], initial=0, aps=[p0:(OR (EQ s11 0) (EQ s15 0)), p1:(AND (EQ s4 1) (EQ s13 1)), p2:(AND (EQ s8 1) (EQ s14 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-04 finished in 202 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(F(p0))&&(p1 U (p2||G(p1))))))'
Support contains 4 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 25 places and 0 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 25 place count 114 transition count 239
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 35 place count 104 transition count 219
Iterating global reduction 1 with 10 rules applied. Total rules applied 45 place count 104 transition count 219
Applied a total of 45 rules in 7 ms. Remains 104 /139 variables (removed 35) and now considering 219/239 (removed 20) transitions.
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
// Phase 1: matrix 171 rows 104 cols
[2023-03-08 12:01:03] [INFO ] Computed 16 place invariants in 1 ms
[2023-03-08 12:01:03] [INFO ] Implicit Places using invariants in 27 ms returned []
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:03] [INFO ] Invariant cache hit.
[2023-03-08 12:01:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:03] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-08 12:01:03] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:03] [INFO ] Invariant cache hit.
[2023-03-08 12:01:03] [INFO ] Dead Transitions using invariants and state equation in 69 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 104/139 places, 219/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 165 ms. Remains : 104/139 places, 219/239 transitions.
Stuttering acceptance computed with spot in 184 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (NOT p0), (NOT p0), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(OR (AND (NOT p0) p2) (AND (NOT p0) p1)), acceptance={} source=1 dest: 3}, { cond=(OR p2 p1), acceptance={} source=1 dest: 4}, { cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p2) p1), acceptance={} source=5 dest: 5}]], initial=0, aps=[p2:(AND (NOT (AND (EQ s18 1) (EQ s102 1))) (NEQ s83 1)), p1:(NEQ s83 1), p0:(OR (EQ s83 0) (EQ s103 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 237 steps with 0 reset in 7 ms.
FORMULA DLCround-PT-09a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-05 finished in 379 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(F((p0||G(F(!p1)))))||(!p1&&F((p0||G(F(!p1))))))))'
Support contains 4 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Graph (trivial) has 219 edges and 139 vertex of which 98 / 139 are part of one of the 14 SCC in 0 ms
Free SCC test removed 84 places
Ensure Unique test removed 192 transitions
Reduce isomorphic transitions removed 192 transitions.
Graph (complete) has 87 edges and 55 vertex of which 30 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.1 ms
Discarding 25 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 45
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 28 transition count 45
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 18 place count 16 transition count 32
Iterating global reduction 2 with 12 rules applied. Total rules applied 30 place count 16 transition count 32
Drop transitions removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 16 transition count 28
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 36 place count 16 transition count 28
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 38 place count 14 transition count 26
Iterating global reduction 2 with 2 rules applied. Total rules applied 40 place count 14 transition count 26
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 42 place count 14 transition count 24
Applied a total of 42 rules in 5 ms. Remains 14 /139 variables (removed 125) and now considering 24/239 (removed 215) transitions.
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 16 transitions (discarded 8 similar events)
// Phase 1: matrix 16 rows 14 cols
[2023-03-08 12:01:04] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants in 14 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 16 transitions (discarded 8 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-08 12:01:04] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 16 transitions (discarded 8 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 14/139 places, 24/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 14/139 places, 24/239 transitions.
Stuttering acceptance computed with spot in 95 ms :[(AND p1 (NOT p0)), (AND (NOT p0) p1), (AND p1 (NOT p0))]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 2}], [{ cond=(AND p1 (NOT p0)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (EQ s5 1) (EQ s12 1)), p0:(AND (EQ s10 1) (EQ s13 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 3 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-06 finished in 191 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 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Graph (trivial) has 232 edges and 139 vertex of which 106 / 139 are part of one of the 13 SCC in 0 ms
Free SCC test removed 93 places
Ensure Unique test removed 216 transitions
Reduce isomorphic transitions removed 216 transitions.
Graph (complete) has 63 edges and 46 vertex of which 20 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.0 ms
Discarding 26 places :
Also discarding 0 output transitions
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 20 transition count 21
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 18 transition count 20
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 19 place count 6 transition count 8
Iterating global reduction 2 with 12 rules applied. Total rules applied 31 place count 6 transition count 8
Applied a total of 31 rules in 9 ms. Remains 6 /139 variables (removed 133) and now considering 8/239 (removed 231) transitions.
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
// Phase 1: matrix 6 rows 6 cols
[2023-03-08 12:01:04] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2023-03-08 12:01:04] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 6 transitions (discarded 2 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/139 places, 8/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 70 ms. Remains : 6/139 places, 8/239 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : DLCround-PT-09a-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:(AND (EQ s4 1) (EQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-07 finished in 120 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(p0)||F(G(p1))))'
Support contains 4 out of 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Graph (trivial) has 224 edges and 139 vertex of which 98 / 139 are part of one of the 14 SCC in 0 ms
Free SCC test removed 84 places
Ensure Unique test removed 193 transitions
Reduce isomorphic transitions removed 193 transitions.
Graph (complete) has 86 edges and 55 vertex of which 30 are kept as prefixes of interest. Removing 25 places using SCC suffix rule.0 ms
Discarding 25 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 44
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 6 place count 28 transition count 44
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 18 place count 16 transition count 31
Iterating global reduction 2 with 12 rules applied. Total rules applied 30 place count 16 transition count 31
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 33 place count 16 transition count 28
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 34 place count 16 transition count 28
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 35 place count 15 transition count 27
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 15 transition count 27
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 37 place count 15 transition count 26
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 38 place count 15 transition count 25
Applied a total of 38 rules in 5 ms. Remains 15 /139 variables (removed 124) and now considering 25/239 (removed 214) transitions.
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 16 transitions (discarded 9 similar events)
// Phase 1: matrix 16 rows 15 cols
[2023-03-08 12:01:04] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants in 13 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 16 transitions (discarded 9 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-08 12:01:04] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 16 transitions (discarded 9 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 15/139 places, 25/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 78 ms. Remains : 15/139 places, 25/239 transitions.
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s4 1) (EQ s13 1)), p1:(OR (EQ s11 0) (EQ s14 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]]
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-08 finished in 160 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0||G((F(G(p2))&&p1))) U p3)))'
Support contains 8 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 116 transition count 239
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 32 place count 107 transition count 221
Iterating global reduction 1 with 9 rules applied. Total rules applied 41 place count 107 transition count 221
Applied a total of 41 rules in 6 ms. Remains 107 /139 variables (removed 32) and now considering 221/239 (removed 18) transitions.
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 172 transitions (discarded 49 similar events)
// Phase 1: matrix 172 rows 107 cols
[2023-03-08 12:01:04] [INFO ] Computed 18 place invariants in 1 ms
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 172 transitions (discarded 49 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 172 transitions (discarded 49 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:04] [INFO ] Dead Transitions using invariants and state equation in 70 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 107/139 places, 221/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 170 ms. Remains : 107/139 places, 221/239 transitions.
Stuttering acceptance computed with spot in 177 ms :[(NOT p3), (NOT p3), true, (NOT p2), (OR (NOT p2) (NOT p1))]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND (NOT p3) p0) (AND (NOT p3) p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p3) (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p3) (NOT p0) p1 (NOT p2)), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p3) (NOT p0) p1), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p2, acceptance={} source=3 dest: 3}, { cond=(NOT p2), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=0, aps=[p3:(AND (EQ s31 1) (EQ s104 1)), p0:(AND (EQ s69 1) (EQ s105 1) (EQ s96 1) (EQ s106 1)), p1:(AND (EQ s89 1) (EQ s103 1)), p2:(AND (EQ s89 1) (EQ s103 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, 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 1 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-10 finished in 365 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((X(p1)&&p0))&&X(X(G(p2)))))'
Support contains 6 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 115 transition count 239
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 34 place count 105 transition count 219
Iterating global reduction 1 with 10 rules applied. Total rules applied 44 place count 105 transition count 219
Applied a total of 44 rules in 6 ms. Remains 105 /139 variables (removed 34) and now considering 219/239 (removed 20) transitions.
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
// Phase 1: matrix 171 rows 105 cols
[2023-03-08 12:01:04] [INFO ] Computed 17 place invariants in 1 ms
[2023-03-08 12:01:04] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-08 12:01:04] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:04] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:05] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2023-03-08 12:01:05] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:05] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] Dead Transitions using invariants and state equation in 70 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 105/139 places, 219/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 162 ms. Remains : 105/139 places, 219/239 transitions.
Stuttering acceptance computed with spot in 154 ms :[(OR (NOT p1) (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), (NOT p1), (NOT p2), true]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=p0, acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}], [{ cond=p2, acceptance={} source=4 dest: 4}, { cond=(NOT p2), acceptance={} source=4 dest: 5}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(AND (EQ s21 1) (EQ s102 1)), p1:(AND (EQ s60 1) (EQ s104 1)), p2:(AND (EQ s36 1) (EQ s103 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-11 finished in 334 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)&&F(G(p1)))))'
Support contains 3 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 26 places and 0 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 113 transition count 239
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 36 place count 103 transition count 219
Iterating global reduction 1 with 10 rules applied. Total rules applied 46 place count 103 transition count 219
Applied a total of 46 rules in 3 ms. Remains 103 /139 variables (removed 36) and now considering 219/239 (removed 20) transitions.
[2023-03-08 12:01:05] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
// Phase 1: matrix 171 rows 103 cols
[2023-03-08 12:01:05] [INFO ] Computed 15 place invariants in 0 ms
[2023-03-08 12:01:05] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-08 12:01:05] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:05] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:05] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
[2023-03-08 12:01:05] [INFO ] Flow matrix only has 171 transitions (discarded 48 similar events)
[2023-03-08 12:01:05] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] Dead Transitions using invariants and state equation in 71 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 103/139 places, 219/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 159 ms. Remains : 103/139 places, 219/239 transitions.
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(EQ s30 1), p1:(OR (AND (EQ s79 1) (EQ s102 1)) (EQ s30 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-12 finished in 301 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)))'
Support contains 1 out of 139 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Reduce places removed 27 places and 0 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 27 place count 112 transition count 239
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 38 place count 101 transition count 217
Iterating global reduction 1 with 11 rules applied. Total rules applied 49 place count 101 transition count 217
Applied a total of 49 rules in 3 ms. Remains 101 /139 variables (removed 38) and now considering 217/239 (removed 22) transitions.
[2023-03-08 12:01:05] [INFO ] Flow matrix only has 170 transitions (discarded 47 similar events)
// Phase 1: matrix 170 rows 101 cols
[2023-03-08 12:01:05] [INFO ] Computed 14 place invariants in 1 ms
[2023-03-08 12:01:05] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-08 12:01:05] [INFO ] Flow matrix only has 170 transitions (discarded 47 similar events)
[2023-03-08 12:01:05] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-08 12:01:05] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2023-03-08 12:01:05] [INFO ] Flow matrix only has 170 transitions (discarded 47 similar events)
[2023-03-08 12:01:05] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] Dead Transitions using invariants and state equation in 72 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 101/139 places, 217/239 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 153 ms. Remains : 101/139 places, 217/239 transitions.
Stuttering acceptance computed with spot in 64 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(EQ s44 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 29 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-09a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-13 finished in 235 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 139 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 139/139 places, 239/239 transitions.
Graph (trivial) has 236 edges and 139 vertex of which 110 / 139 are part of one of the 14 SCC in 1 ms
Free SCC test removed 96 places
Ensure Unique test removed 222 transitions
Reduce isomorphic transitions removed 222 transitions.
Graph (complete) has 57 edges and 43 vertex of which 16 are kept as prefixes of interest. Removing 27 places using SCC suffix rule.0 ms
Discarding 27 places :
Also discarding 0 output transitions
Reduce places removed 1 places and 1 transitions.
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 27 place count 2 transition count 4
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 28 place count 2 transition count 3
Applied a total of 28 rules in 6 ms. Remains 2 /139 variables (removed 137) and now considering 3/239 (removed 236) transitions.
// Phase 1: matrix 3 rows 2 cols
[2023-03-08 12:01:05] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-08 12:01:05] [INFO ] Implicit Places using invariants in 14 ms returned []
[2023-03-08 12:01:05] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 29 ms to find 0 implicit places.
[2023-03-08 12:01:05] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 12:01:05] [INFO ] Invariant cache hit.
[2023-03-08 12:01:05] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/139 places, 3/239 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58 ms. Remains : 2/139 places, 3/239 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : DLCround-PT-09a-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s0 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-09a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-09a-LTLFireability-15 finished in 107 ms.
All properties solved by simple procedures.
Total runtime 5743 ms.
ITS solved all properties within timeout

BK_STOP 1678276866871

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DLCround-PT-09a"
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 DLCround-PT-09a, 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 r103-tall-167814478700716"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-09a.tgz
mv DLCround-PT-09a 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 ;