fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r005-oct2-167813593200507
Last Updated
May 14, 2023

About the Execution of ITS-Tools for AutoFlight-PT-48b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1223.783 98283.00 137992.00 209.30 TFFFFFTTFFFFFFFF 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.r005-oct2-167813593200507.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 itstools
Input is AutoFlight-PT-48b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r005-oct2-167813593200507
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 8.2K Feb 25 18:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Feb 25 18:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 18:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Feb 25 18:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.8K Feb 25 18:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 25 18:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 18:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 25 18:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:33 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 956K 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 AutoFlight-PT-48b-LTLCardinality-00
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-01
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-02
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-03
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-04
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-05
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-06
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-07
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-08
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-09
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-10
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-11
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-12
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-13
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-14
FORMULA_NAME AutoFlight-PT-48b-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678517430596

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=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-48b
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202303021504
[2023-03-11 06:50:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-11 06:50:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 06:50:33] [INFO ] Load time of PNML (sax parser for PT used): 148 ms
[2023-03-11 06:50:33] [INFO ] Transformed 3950 places.
[2023-03-11 06:50:33] [INFO ] Transformed 3936 transitions.
[2023-03-11 06:50:33] [INFO ] Found NUPN structural information;
[2023-03-11 06:50:33] [INFO ] Parsed PT model containing 3950 places and 3936 transitions and 9104 arcs in 359 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA AutoFlight-PT-48b-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-48b-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 3950 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3950/3950 places, 3936/3936 transitions.
Discarding 501 places :
Symmetric choice reduction at 0 with 501 rule applications. Total rules 501 place count 3449 transition count 3435
Iterating global reduction 0 with 501 rules applied. Total rules applied 1002 place count 3449 transition count 3435
Ensure Unique test removed 70 transitions
Reduce isomorphic transitions removed 70 transitions.
Iterating post reduction 0 with 70 rules applied. Total rules applied 1072 place count 3449 transition count 3365
Discarding 232 places :
Symmetric choice reduction at 1 with 232 rule applications. Total rules 1304 place count 3217 transition count 3133
Iterating global reduction 1 with 232 rules applied. Total rules applied 1536 place count 3217 transition count 3133
Discarding 35 places :
Symmetric choice reduction at 1 with 35 rule applications. Total rules 1571 place count 3182 transition count 3098
Iterating global reduction 1 with 35 rules applied. Total rules applied 1606 place count 3182 transition count 3098
Discarding 34 places :
Symmetric choice reduction at 1 with 34 rule applications. Total rules 1640 place count 3148 transition count 3064
Iterating global reduction 1 with 34 rules applied. Total rules applied 1674 place count 3148 transition count 3064
Applied a total of 1674 rules in 1967 ms. Remains 3148 /3950 variables (removed 802) and now considering 3064/3936 (removed 872) transitions.
// Phase 1: matrix 3064 rows 3148 cols
[2023-03-11 06:50:35] [INFO ] Computed 258 place invariants in 89 ms
[2023-03-11 06:50:36] [INFO ] Implicit Places using invariants in 1435 ms returned []
[2023-03-11 06:50:36] [INFO ] Invariant cache hit.
[2023-03-11 06:50:38] [INFO ] Implicit Places using invariants and state equation in 1936 ms returned []
Implicit Place search using SMT with State Equation took 3408 ms to find 0 implicit places.
[2023-03-11 06:50:38] [INFO ] Invariant cache hit.
[2023-03-11 06:50:40] [INFO ] Dead Transitions using invariants and state equation in 1702 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 3148/3950 places, 3064/3936 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7098 ms. Remains : 3148/3950 places, 3064/3936 transitions.
Support contains 25 out of 3148 places after structural reductions.
[2023-03-11 06:50:41] [INFO ] Flatten gal took : 176 ms
[2023-03-11 06:50:41] [INFO ] Flatten gal took : 119 ms
[2023-03-11 06:50:41] [INFO ] Input system was already deterministic with 3064 transitions.
Incomplete random walk after 10000 steps, including 5 resets, run finished after 365 ms. (steps per millisecond=27 ) properties (out of 14) seen :7
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 7) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 7) seen :0
Running SMT prover for 7 properties.
[2023-03-11 06:50:41] [INFO ] Invariant cache hit.
[2023-03-11 06:50:42] [INFO ] [Real]Absence check using 257 positive place invariants in 255 ms returned sat
[2023-03-11 06:50:42] [INFO ] [Real]Absence check using 257 positive and 1 generalized place invariants in 21 ms returned sat
[2023-03-11 06:50:43] [INFO ] After 1126ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-11 06:50:44] [INFO ] [Nat]Absence check using 257 positive place invariants in 311 ms returned sat
[2023-03-11 06:50:44] [INFO ] [Nat]Absence check using 257 positive and 1 generalized place invariants in 7 ms returned sat
[2023-03-11 06:50:47] [INFO ] After 2976ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-11 06:50:49] [INFO ] Deduced a trap composed of 27 places in 1457 ms of which 18 ms to minimize.
[2023-03-11 06:50:51] [INFO ] Deduced a trap composed of 75 places in 1730 ms of which 3 ms to minimize.
[2023-03-11 06:50:53] [INFO ] Deduced a trap composed of 418 places in 1502 ms of which 3 ms to minimize.
[2023-03-11 06:50:54] [INFO ] Deduced a trap composed of 140 places in 1732 ms of which 17 ms to minimize.
[2023-03-11 06:50:56] [INFO ] Deduced a trap composed of 484 places in 1439 ms of which 8 ms to minimize.
[2023-03-11 06:50:58] [INFO ] Deduced a trap composed of 430 places in 1709 ms of which 3 ms to minimize.
[2023-03-11 06:51:00] [INFO ] Deduced a trap composed of 496 places in 1789 ms of which 5 ms to minimize.
[2023-03-11 06:51:01] [INFO ] Deduced a trap composed of 500 places in 1272 ms of which 2 ms to minimize.
[2023-03-11 06:51:01] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 13959 ms
[2023-03-11 06:51:03] [INFO ] Deduced a trap composed of 95 places in 761 ms of which 2 ms to minimize.
[2023-03-11 06:51:04] [INFO ] Deduced a trap composed of 81 places in 753 ms of which 2 ms to minimize.
[2023-03-11 06:51:05] [INFO ] Deduced a trap composed of 180 places in 672 ms of which 2 ms to minimize.
[2023-03-11 06:51:06] [INFO ] Deduced a trap composed of 201 places in 694 ms of which 2 ms to minimize.
[2023-03-11 06:51:06] [INFO ] Deduced a trap composed of 276 places in 679 ms of which 14 ms to minimize.
[2023-03-11 06:51:07] [INFO ] Deduced a trap composed of 272 places in 713 ms of which 1 ms to minimize.
[2023-03-11 06:51:08] [INFO ] Deduced a trap composed of 253 places in 678 ms of which 2 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineResultsWithTraps(DeadlockTester.java:736)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:656)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:71)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-11 06:51:08] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-11 06:51:08] [INFO ] After 25479ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:7
Parikh walk visited 3 properties in 365 ms.
Support contains 6 out of 3148 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Drop transitions removed 1280 transitions
Trivial Post-agglo rules discarded 1280 transitions
Performed 1280 trivial Post agglomeration. Transition count delta: 1280
Iterating post reduction 0 with 1280 rules applied. Total rules applied 1280 place count 3148 transition count 1784
Reduce places removed 1280 places and 0 transitions.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Drop transitions removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 1 with 1426 rules applied. Total rules applied 2706 place count 1868 transition count 1638
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 2 with 96 rules applied. Total rules applied 2802 place count 1772 transition count 1638
Performed 351 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 351 Pre rules applied. Total rules applied 2802 place count 1772 transition count 1287
Deduced a syphon composed of 351 places in 7 ms
Reduce places removed 351 places and 0 transitions.
Iterating global reduction 3 with 702 rules applied. Total rules applied 3504 place count 1421 transition count 1287
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 3508 place count 1417 transition count 1283
Iterating global reduction 3 with 4 rules applied. Total rules applied 3512 place count 1417 transition count 1283
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 3512 place count 1417 transition count 1282
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 3514 place count 1416 transition count 1282
Performed 570 Post agglomeration using F-continuation condition with reduction of 71 identical transitions.
Deduced a syphon composed of 570 places in 1 ms
Reduce places removed 570 places and 0 transitions.
Iterating global reduction 3 with 1140 rules applied. Total rules applied 4654 place count 846 transition count 641
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 4655 place count 846 transition count 640
Renaming transitions due to excessive name length > 1024 char.
Free-agglomeration rule applied 144 times.
Iterating global reduction 4 with 144 rules applied. Total rules applied 4799 place count 846 transition count 496
Reduce places removed 144 places and 0 transitions.
Iterating post reduction 4 with 144 rules applied. Total rules applied 4943 place count 702 transition count 496
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 4944 place count 701 transition count 495
Reduce places removed 201 places and 0 transitions.
Drop transitions removed 315 transitions
Trivial Post-agglo rules discarded 315 transitions
Performed 315 trivial Post agglomeration. Transition count delta: 315
Iterating post reduction 5 with 516 rules applied. Total rules applied 5460 place count 500 transition count 180
Reduce places removed 315 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 316 rules applied. Total rules applied 5776 place count 185 transition count 179
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 5777 place count 184 transition count 179
Performed 57 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 57 Pre rules applied. Total rules applied 5777 place count 184 transition count 122
Deduced a syphon composed of 57 places in 0 ms
Reduce places removed 57 places and 0 transitions.
Iterating global reduction 8 with 114 rules applied. Total rules applied 5891 place count 127 transition count 122
Applied a total of 5891 rules in 666 ms. Remains 127 /3148 variables (removed 3021) and now considering 122/3064 (removed 2942) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 666 ms. Remains : 127/3148 places, 122/3064 transitions.
Finished random walk after 57 steps, including 0 resets, run visited all 4 properties in 3 ms. (steps per millisecond=19 )
FORMULA AutoFlight-PT-48b-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 798 stabilizing places and 798 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 3148 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1279 transitions
Trivial Post-agglo rules discarded 1279 transitions
Performed 1279 trivial Post agglomeration. Transition count delta: 1279
Iterating post reduction 0 with 1279 rules applied. Total rules applied 1279 place count 3147 transition count 1784
Reduce places removed 1279 places and 0 transitions.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Drop transitions removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 1 with 1425 rules applied. Total rules applied 2704 place count 1868 transition count 1638
Reduce places removed 96 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 97 rules applied. Total rules applied 2801 place count 1772 transition count 1637
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 2802 place count 1771 transition count 1637
Performed 351 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 351 Pre rules applied. Total rules applied 2802 place count 1771 transition count 1286
Deduced a syphon composed of 351 places in 7 ms
Reduce places removed 351 places and 0 transitions.
Iterating global reduction 4 with 702 rules applied. Total rules applied 3504 place count 1420 transition count 1286
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 3509 place count 1415 transition count 1281
Iterating global reduction 4 with 5 rules applied. Total rules applied 3514 place count 1415 transition count 1281
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 3514 place count 1415 transition count 1279
Deduced a syphon composed of 2 places in 20 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 3518 place count 1413 transition count 1279
Performed 570 Post agglomeration using F-continuation condition with reduction of 72 identical transitions.
Deduced a syphon composed of 570 places in 1 ms
Reduce places removed 570 places and 0 transitions.
Iterating global reduction 4 with 1140 rules applied. Total rules applied 4658 place count 843 transition count 637
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 4659 place count 842 transition count 636
Reduce places removed 96 places and 0 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 4 with 144 rules applied. Total rules applied 4803 place count 746 transition count 588
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 5 with 48 rules applied. Total rules applied 4851 place count 698 transition count 588
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 48 Pre rules applied. Total rules applied 4851 place count 698 transition count 540
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 6 with 96 rules applied. Total rules applied 4947 place count 650 transition count 540
Applied a total of 4947 rules in 470 ms. Remains 650 /3148 variables (removed 2498) and now considering 540/3064 (removed 2524) transitions.
// Phase 1: matrix 540 rows 650 cols
[2023-03-11 06:51:10] [INFO ] Computed 162 place invariants in 4 ms
[2023-03-11 06:51:10] [INFO ] Implicit Places using invariants in 350 ms returned [254, 328, 366, 442, 480, 484, 488, 492, 496, 500, 504, 508, 512, 516, 520, 524, 528, 532, 536, 540, 544, 548, 552, 556, 560, 564, 568, 572, 576, 578, 580, 582, 584, 586, 588, 590, 592, 594, 596, 598, 600, 604, 608, 612, 616, 620, 624, 628, 632, 636, 640, 644, 649]
Discarding 53 places :
Implicit Place search using SMT only with invariants took 352 ms to find 53 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 597/3148 places, 540/3064 transitions.
Graph (trivial) has 248 edges and 597 vertex of which 13 / 597 are part of one of the 1 SCC in 3 ms
Free SCC test removed 12 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Discarding 39 places :
Symmetric choice reduction at 0 with 39 rule applications. Total rules 40 place count 546 transition count 478
Iterating global reduction 0 with 39 rules applied. Total rules applied 79 place count 546 transition count 478
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 81 place count 544 transition count 476
Iterating global reduction 0 with 2 rules applied. Total rules applied 83 place count 544 transition count 476
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 85 place count 542 transition count 474
Iterating global reduction 0 with 2 rules applied. Total rules applied 87 place count 542 transition count 474
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 89 place count 540 transition count 472
Iterating global reduction 0 with 2 rules applied. Total rules applied 91 place count 540 transition count 472
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 93 place count 538 transition count 470
Iterating global reduction 0 with 2 rules applied. Total rules applied 95 place count 538 transition count 470
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 97 place count 536 transition count 468
Iterating global reduction 0 with 2 rules applied. Total rules applied 99 place count 536 transition count 468
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 101 place count 534 transition count 466
Iterating global reduction 0 with 2 rules applied. Total rules applied 103 place count 534 transition count 466
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 105 place count 532 transition count 464
Iterating global reduction 0 with 2 rules applied. Total rules applied 107 place count 532 transition count 464
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 109 place count 530 transition count 462
Iterating global reduction 0 with 2 rules applied. Total rules applied 111 place count 530 transition count 462
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 113 place count 528 transition count 460
Iterating global reduction 0 with 2 rules applied. Total rules applied 115 place count 528 transition count 460
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 117 place count 526 transition count 458
Iterating global reduction 0 with 2 rules applied. Total rules applied 119 place count 526 transition count 458
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 121 place count 524 transition count 456
Iterating global reduction 0 with 2 rules applied. Total rules applied 123 place count 524 transition count 456
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 125 place count 522 transition count 454
Iterating global reduction 0 with 2 rules applied. Total rules applied 127 place count 522 transition count 454
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 128 place count 521 transition count 453
Iterating global reduction 0 with 1 rules applied. Total rules applied 129 place count 521 transition count 453
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 130 place count 520 transition count 452
Iterating global reduction 0 with 1 rules applied. Total rules applied 131 place count 520 transition count 452
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 132 place count 519 transition count 451
Iterating global reduction 0 with 1 rules applied. Total rules applied 133 place count 519 transition count 451
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 134 place count 518 transition count 450
Iterating global reduction 0 with 1 rules applied. Total rules applied 135 place count 518 transition count 450
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 136 place count 517 transition count 449
Iterating global reduction 0 with 1 rules applied. Total rules applied 137 place count 517 transition count 449
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 138 place count 516 transition count 448
Iterating global reduction 0 with 1 rules applied. Total rules applied 139 place count 516 transition count 448
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 140 place count 515 transition count 447
Iterating global reduction 0 with 1 rules applied. Total rules applied 141 place count 515 transition count 447
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 142 place count 514 transition count 446
Iterating global reduction 0 with 1 rules applied. Total rules applied 143 place count 514 transition count 446
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 144 place count 513 transition count 445
Iterating global reduction 0 with 1 rules applied. Total rules applied 145 place count 513 transition count 445
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 146 place count 512 transition count 444
Iterating global reduction 0 with 1 rules applied. Total rules applied 147 place count 512 transition count 444
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 148 place count 511 transition count 443
Iterating global reduction 0 with 1 rules applied. Total rules applied 149 place count 511 transition count 443
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 150 place count 510 transition count 442
Iterating global reduction 0 with 1 rules applied. Total rules applied 151 place count 510 transition count 442
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 153 place count 509 transition count 441
Applied a total of 153 rules in 423 ms. Remains 509 /597 variables (removed 88) and now considering 441/540 (removed 99) transitions.
// Phase 1: matrix 441 rows 509 cols
[2023-03-11 06:51:11] [INFO ] Computed 109 place invariants in 4 ms
[2023-03-11 06:51:11] [INFO ] Implicit Places using invariants in 237 ms returned []
[2023-03-11 06:51:11] [INFO ] Invariant cache hit.
[2023-03-11 06:51:11] [INFO ] State equation strengthened by 99 read => feed constraints.
[2023-03-11 06:51:13] [INFO ] Implicit Places using invariants and state equation in 2366 ms returned []
Implicit Place search using SMT with State Equation took 2625 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 509/3148 places, 441/3064 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 3871 ms. Remains : 509/3148 places, 441/3064 transitions.
Stuttering acceptance computed with spot in 243 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-48b-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (EQ s229 0) (EQ s362 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 33 steps with 0 reset in 5 ms.
FORMULA AutoFlight-PT-48b-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-48b-LTLCardinality-04 finished in 4193 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 3148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 3137 transition count 3053
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 3137 transition count 3053
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 3137 transition count 3051
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 27 place count 3134 transition count 3048
Iterating global reduction 1 with 3 rules applied. Total rules applied 30 place count 3134 transition count 3048
Applied a total of 30 rules in 853 ms. Remains 3134 /3148 variables (removed 14) and now considering 3048/3064 (removed 16) transitions.
// Phase 1: matrix 3048 rows 3134 cols
[2023-03-11 06:51:15] [INFO ] Computed 258 place invariants in 39 ms
[2023-03-11 06:51:16] [INFO ] Implicit Places using invariants in 1055 ms returned []
[2023-03-11 06:51:16] [INFO ] Invariant cache hit.
[2023-03-11 06:51:21] [INFO ] Implicit Places using invariants and state equation in 5009 ms returned []
Implicit Place search using SMT with State Equation took 6069 ms to find 0 implicit places.
[2023-03-11 06:51:21] [INFO ] Invariant cache hit.
[2023-03-11 06:51:23] [INFO ] Dead Transitions using invariants and state equation in 2630 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 3134/3148 places, 3048/3064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9556 ms. Remains : 3134/3148 places, 3048/3064 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-48b-LTLCardinality-05 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 s796 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][false, false]]
Stuttering criterion allowed to conclude after 1856 steps with 0 reset in 25 ms.
FORMULA AutoFlight-PT-48b-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-48b-LTLCardinality-05 finished in 9722 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 U p1))||X(p1)))'
Support contains 4 out of 3148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 3139 transition count 3055
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 3139 transition count 3055
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 3139 transition count 3054
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 3137 transition count 3052
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 3137 transition count 3052
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 24 place count 3136 transition count 3051
Iterating global reduction 1 with 1 rules applied. Total rules applied 25 place count 3136 transition count 3051
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 3135 transition count 3050
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 3135 transition count 3050
Applied a total of 27 rules in 1598 ms. Remains 3135 /3148 variables (removed 13) and now considering 3050/3064 (removed 14) transitions.
// Phase 1: matrix 3050 rows 3135 cols
[2023-03-11 06:51:25] [INFO ] Computed 258 place invariants in 44 ms
[2023-03-11 06:51:26] [INFO ] Implicit Places using invariants in 1432 ms returned []
[2023-03-11 06:51:26] [INFO ] Invariant cache hit.
[2023-03-11 06:51:31] [INFO ] Implicit Places using invariants and state equation in 4477 ms returned []
Implicit Place search using SMT with State Equation took 5931 ms to find 0 implicit places.
[2023-03-11 06:51:31] [INFO ] Invariant cache hit.
[2023-03-11 06:51:33] [INFO ] Dead Transitions using invariants and state equation in 2244 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 3135/3148 places, 3050/3064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9787 ms. Remains : 3135/3148 places, 3050/3064 transitions.
Stuttering acceptance computed with spot in 252 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : AutoFlight-PT-48b-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 2}, { cond=(OR p1 p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p1) p0), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=5 dest: 4}, { cond=(OR p1 p0), acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(OR (EQ s3070 0) (EQ s997 1)), p0:(OR (EQ s875 0) (EQ s1650 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 1737 ms.
Product exploration explored 100000 steps with 50000 reset in 1634 ms.
Computed a total of 792 stabilizing places and 792 stable transitions
Computed a total of 792 stabilizing places and 792 stable transitions
Knowledge obtained : [(AND p1 p0), (X p1), (X (NOT (AND (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p1) p0))), true, (X (X (OR p1 p0))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p1) p0))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p1)
Knowledge based reduction with 8 factoid took 200 ms. Reduced automaton from 6 states, 13 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA AutoFlight-PT-48b-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property AutoFlight-PT-48b-LTLCardinality-07 finished in 13749 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 3148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 3137 transition count 3053
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 3137 transition count 3053
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 3137 transition count 3051
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 28 place count 3133 transition count 3047
Iterating global reduction 1 with 4 rules applied. Total rules applied 32 place count 3133 transition count 3047
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 33 place count 3132 transition count 3046
Iterating global reduction 1 with 1 rules applied. Total rules applied 34 place count 3132 transition count 3046
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 35 place count 3131 transition count 3045
Iterating global reduction 1 with 1 rules applied. Total rules applied 36 place count 3131 transition count 3045
Applied a total of 36 rules in 1415 ms. Remains 3131 /3148 variables (removed 17) and now considering 3045/3064 (removed 19) transitions.
// Phase 1: matrix 3045 rows 3131 cols
[2023-03-11 06:51:39] [INFO ] Computed 258 place invariants in 29 ms
[2023-03-11 06:51:40] [INFO ] Implicit Places using invariants in 1051 ms returned []
[2023-03-11 06:51:40] [INFO ] Invariant cache hit.
[2023-03-11 06:51:45] [INFO ] Implicit Places using invariants and state equation in 5209 ms returned []
Implicit Place search using SMT with State Equation took 6277 ms to find 0 implicit places.
[2023-03-11 06:51:45] [INFO ] Invariant cache hit.
[2023-03-11 06:51:47] [INFO ] Dead Transitions using invariants and state equation in 1907 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 3131/3148 places, 3045/3064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9631 ms. Remains : 3131/3148 places, 3045/3064 transitions.
Stuttering acceptance computed with spot in 78 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : AutoFlight-PT-48b-LTLCardinality-08 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 s1274 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][false, false, false]]
Entered a terminal (fully accepting) state of product in 876 steps with 0 reset in 9 ms.
FORMULA AutoFlight-PT-48b-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-48b-LTLCardinality-08 finished in 9760 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((X(G(p0))&&F(p1)))))'
Support contains 4 out of 3148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 3138 transition count 3054
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 3138 transition count 3054
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 24 place count 3134 transition count 3050
Iterating global reduction 0 with 4 rules applied. Total rules applied 28 place count 3134 transition count 3050
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 29 place count 3133 transition count 3049
Iterating global reduction 0 with 1 rules applied. Total rules applied 30 place count 3133 transition count 3049
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 3132 transition count 3048
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 3132 transition count 3048
Applied a total of 32 rules in 1519 ms. Remains 3132 /3148 variables (removed 16) and now considering 3048/3064 (removed 16) transitions.
// Phase 1: matrix 3048 rows 3132 cols
[2023-03-11 06:51:48] [INFO ] Computed 258 place invariants in 18 ms
[2023-03-11 06:51:50] [INFO ] Implicit Places using invariants in 1195 ms returned []
[2023-03-11 06:51:50] [INFO ] Invariant cache hit.
[2023-03-11 06:51:55] [INFO ] Implicit Places using invariants and state equation in 4979 ms returned []
Implicit Place search using SMT with State Equation took 6180 ms to find 0 implicit places.
[2023-03-11 06:51:55] [INFO ] Invariant cache hit.
[2023-03-11 06:51:57] [INFO ] Dead Transitions using invariants and state equation in 1926 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 3132/3148 places, 3048/3064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 9647 ms. Remains : 3132/3148 places, 3048/3064 transitions.
Stuttering acceptance computed with spot in 224 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : AutoFlight-PT-48b-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=true, acceptance={} source=1 dest: 2}, { cond=(NOT p1), acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p1:(AND (EQ s332 0) (EQ s878 1)), p0:(AND (EQ s2337 0) (EQ s533 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 8 ms.
FORMULA AutoFlight-PT-48b-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-48b-LTLCardinality-10 finished in 9934 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(X(G(p1)))))'
Support contains 3 out of 3148 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 3137 transition count 3053
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 3137 transition count 3053
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 24 place count 3137 transition count 3051
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 27 place count 3134 transition count 3048
Iterating global reduction 1 with 3 rules applied. Total rules applied 30 place count 3134 transition count 3048
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 3133 transition count 3047
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 3133 transition count 3047
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 33 place count 3132 transition count 3046
Iterating global reduction 1 with 1 rules applied. Total rules applied 34 place count 3132 transition count 3046
Applied a total of 34 rules in 1528 ms. Remains 3132 /3148 variables (removed 16) and now considering 3046/3064 (removed 18) transitions.
// Phase 1: matrix 3046 rows 3132 cols
[2023-03-11 06:51:58] [INFO ] Computed 258 place invariants in 27 ms
[2023-03-11 06:51:59] [INFO ] Implicit Places using invariants in 752 ms returned []
[2023-03-11 06:51:59] [INFO ] Invariant cache hit.
[2023-03-11 06:52:04] [INFO ] Implicit Places using invariants and state equation in 4547 ms returned []
Implicit Place search using SMT with State Equation took 5329 ms to find 0 implicit places.
[2023-03-11 06:52:04] [INFO ] Invariant cache hit.
[2023-03-11 06:52:06] [INFO ] Dead Transitions using invariants and state equation in 2032 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 3132/3148 places, 3046/3064 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8892 ms. Remains : 3132/3148 places, 3046/3064 transitions.
Stuttering acceptance computed with spot in 142 ms :[(NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : AutoFlight-PT-48b-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=3, aps=[p1:(OR (EQ s144 0) (EQ s1543 1)), p0:(NEQ s1864 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1478 steps with 0 reset in 20 ms.
FORMULA AutoFlight-PT-48b-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-48b-LTLCardinality-12 finished in 9124 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(F((X(p0) U !p1))))'
Support contains 2 out of 3148 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 3148/3148 places, 3064/3064 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1276 transitions
Trivial Post-agglo rules discarded 1276 transitions
Performed 1276 trivial Post agglomeration. Transition count delta: 1276
Iterating post reduction 0 with 1276 rules applied. Total rules applied 1276 place count 3147 transition count 1787
Reduce places removed 1276 places and 0 transitions.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Drop transitions removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 1 with 1422 rules applied. Total rules applied 2698 place count 1871 transition count 1641
Reduce places removed 96 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 2 with 98 rules applied. Total rules applied 2796 place count 1775 transition count 1639
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 2798 place count 1773 transition count 1639
Performed 352 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 352 Pre rules applied. Total rules applied 2798 place count 1773 transition count 1287
Deduced a syphon composed of 352 places in 9 ms
Reduce places removed 352 places and 0 transitions.
Iterating global reduction 4 with 704 rules applied. Total rules applied 3502 place count 1421 transition count 1287
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 3506 place count 1417 transition count 1283
Iterating global reduction 4 with 4 rules applied. Total rules applied 3510 place count 1417 transition count 1283
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 3510 place count 1417 transition count 1281
Deduced a syphon composed of 2 places in 9 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 3514 place count 1415 transition count 1281
Performed 569 Post agglomeration using F-continuation condition with reduction of 72 identical transitions.
Deduced a syphon composed of 569 places in 0 ms
Reduce places removed 569 places and 0 transitions.
Iterating global reduction 4 with 1138 rules applied. Total rules applied 4652 place count 846 transition count 640
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 4653 place count 845 transition count 639
Reduce places removed 96 places and 0 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 4 with 144 rules applied. Total rules applied 4797 place count 749 transition count 591
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 5 with 48 rules applied. Total rules applied 4845 place count 701 transition count 591
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 48 Pre rules applied. Total rules applied 4845 place count 701 transition count 543
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 6 with 96 rules applied. Total rules applied 4941 place count 653 transition count 543
Applied a total of 4941 rules in 373 ms. Remains 653 /3148 variables (removed 2495) and now considering 543/3064 (removed 2521) transitions.
// Phase 1: matrix 543 rows 653 cols
[2023-03-11 06:52:06] [INFO ] Computed 162 place invariants in 5 ms
[2023-03-11 06:52:07] [INFO ] Implicit Places using invariants in 310 ms returned [255, 331, 369, 483, 487, 491, 495, 499, 503, 507, 511, 515, 519, 523, 527, 531, 535, 539, 543, 547, 551, 555, 559, 563, 567, 571, 575, 579, 581, 583, 585, 587, 589, 591, 593, 595, 597, 599, 601, 603, 607, 611, 615, 619, 623, 627, 631, 635, 639, 643, 647, 652]
Discarding 52 places :
Implicit Place search using SMT only with invariants took 325 ms to find 52 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 601/3148 places, 543/3064 transitions.
Graph (trivial) has 246 edges and 601 vertex of which 13 / 601 are part of one of the 1 SCC in 1 ms
Free SCC test removed 12 places
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Discarding 38 places :
Symmetric choice reduction at 0 with 38 rule applications. Total rules 39 place count 551 transition count 482
Iterating global reduction 0 with 38 rules applied. Total rules applied 77 place count 551 transition count 482
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 78 place count 550 transition count 481
Iterating global reduction 0 with 1 rules applied. Total rules applied 79 place count 550 transition count 481
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 80 place count 549 transition count 480
Iterating global reduction 0 with 1 rules applied. Total rules applied 81 place count 549 transition count 480
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 82 place count 548 transition count 479
Iterating global reduction 0 with 1 rules applied. Total rules applied 83 place count 548 transition count 479
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 84 place count 547 transition count 478
Iterating global reduction 0 with 1 rules applied. Total rules applied 85 place count 547 transition count 478
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 86 place count 546 transition count 477
Iterating global reduction 0 with 1 rules applied. Total rules applied 87 place count 546 transition count 477
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 88 place count 545 transition count 476
Iterating global reduction 0 with 1 rules applied. Total rules applied 89 place count 545 transition count 476
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 90 place count 544 transition count 475
Iterating global reduction 0 with 1 rules applied. Total rules applied 91 place count 544 transition count 475
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 92 place count 543 transition count 474
Iterating global reduction 0 with 1 rules applied. Total rules applied 93 place count 543 transition count 474
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 94 place count 542 transition count 473
Iterating global reduction 0 with 1 rules applied. Total rules applied 95 place count 542 transition count 473
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 96 place count 541 transition count 472
Iterating global reduction 0 with 1 rules applied. Total rules applied 97 place count 541 transition count 472
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 98 place count 540 transition count 471
Iterating global reduction 0 with 1 rules applied. Total rules applied 99 place count 540 transition count 471
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 100 place count 539 transition count 470
Iterating global reduction 0 with 1 rules applied. Total rules applied 101 place count 539 transition count 470
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 102 place count 538 transition count 469
Iterating global reduction 0 with 1 rules applied. Total rules applied 103 place count 538 transition count 469
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 104 place count 537 transition count 468
Iterating global reduction 0 with 1 rules applied. Total rules applied 105 place count 537 transition count 468
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 106 place count 536 transition count 467
Iterating global reduction 0 with 1 rules applied. Total rules applied 107 place count 536 transition count 467
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 108 place count 535 transition count 466
Iterating global reduction 0 with 1 rules applied. Total rules applied 109 place count 535 transition count 466
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 110 place count 534 transition count 465
Iterating global reduction 0 with 1 rules applied. Total rules applied 111 place count 534 transition count 465
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 112 place count 533 transition count 464
Iterating global reduction 0 with 1 rules applied. Total rules applied 113 place count 533 transition count 464
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 114 place count 532 transition count 463
Iterating global reduction 0 with 1 rules applied. Total rules applied 115 place count 532 transition count 463
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 116 place count 531 transition count 462
Iterating global reduction 0 with 1 rules applied. Total rules applied 117 place count 531 transition count 462
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 118 place count 530 transition count 461
Iterating global reduction 0 with 1 rules applied. Total rules applied 119 place count 530 transition count 461
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 120 place count 529 transition count 460
Iterating global reduction 0 with 1 rules applied. Total rules applied 121 place count 529 transition count 460
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 122 place count 528 transition count 459
Iterating global reduction 0 with 1 rules applied. Total rules applied 123 place count 528 transition count 459
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 124 place count 527 transition count 458
Iterating global reduction 0 with 1 rules applied. Total rules applied 125 place count 527 transition count 458
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 129 place count 525 transition count 456
Applied a total of 129 rules in 296 ms. Remains 525 /601 variables (removed 76) and now considering 456/543 (removed 87) transitions.
// Phase 1: matrix 456 rows 525 cols
[2023-03-11 06:52:07] [INFO ] Computed 110 place invariants in 2 ms
[2023-03-11 06:52:07] [INFO ] Implicit Places using invariants in 236 ms returned []
[2023-03-11 06:52:07] [INFO ] Invariant cache hit.
[2023-03-11 06:52:07] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-11 06:52:08] [INFO ] Implicit Places using invariants and state equation in 957 ms returned []
Implicit Place search using SMT with State Equation took 1209 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 525/3148 places, 456/3064 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 2203 ms. Remains : 525/3148 places, 456/3064 transitions.
Stuttering acceptance computed with spot in 43 ms :[p1]
Running random walk in product with property : AutoFlight-PT-48b-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p1:(OR (EQ s451 0) (EQ s279 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 AutoFlight-PT-48b-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutoFlight-PT-48b-LTLCardinality-14 finished in 2276 ms.
All properties solved by simple procedures.
Total runtime 95887 ms.

BK_STOP 1678517528879

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="AutoFlight-PT-48b"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
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 itstools"
echo " Input is AutoFlight-PT-48b, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r005-oct2-167813593200507"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-48b.tgz
mv AutoFlight-PT-48b execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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