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.r117-tall-167814495500307.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 DES-PT-60a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495500307
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 600K
-rw-r--r-- 1 mcc users 8.8K Feb 26 15:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K Feb 26 15:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 15:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 15:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 15:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Feb 26 15:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 85K Feb 26 15:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 15:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Feb 26 15:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 15:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:51 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 110K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679415003957

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-60a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 16:10:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 16:10:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 16:10:05] [INFO ] Load time of PNML (sax parser for PT used): 60 ms
[2023-03-21 16:10:05] [INFO ] Transformed 354 places.
[2023-03-21 16:10:05] [INFO ] Transformed 311 transitions.
[2023-03-21 16:10:05] [INFO ] Found NUPN structural information;
[2023-03-21 16:10:05] [INFO ] Parsed PT model containing 354 places and 311 transitions and 1496 arcs in 125 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 354/354 places, 311/311 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 354 transition count 297
Applied a total of 14 rules in 20 ms. Remains 354 /354 variables (removed 0) and now considering 297/311 (removed 14) transitions.
// Phase 1: matrix 297 rows 354 cols
[2023-03-21 16:10:05] [INFO ] Computed 59 place invariants in 49 ms
[2023-03-21 16:10:06] [INFO ] Implicit Places using invariants in 710 ms returned [251]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 740 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 353/354 places, 297/311 transitions.
Applied a total of 0 rules in 16 ms. Remains 353 /353 variables (removed 0) and now considering 297/297 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 777 ms. Remains : 353/354 places, 297/311 transitions.
Discarding 9 transitions out of 297. Remains 288
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 221 resets, run finished after 527 ms. (steps per millisecond=18 ) properties (out of 287) seen :62
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 225) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 225) seen :0
Running SMT prover for 225 properties.
// Phase 1: matrix 297 rows 353 cols
[2023-03-21 16:10:07] [INFO ] Computed 58 place invariants in 18 ms
[2023-03-21 16:10:08] [INFO ] [Real]Absence check using 33 positive place invariants in 9 ms returned sat
[2023-03-21 16:10:08] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 16 ms returned sat
[2023-03-21 16:10:10] [INFO ] After 2914ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:225
[2023-03-21 16:10:11] [INFO ] [Nat]Absence check using 33 positive place invariants in 6 ms returned sat
[2023-03-21 16:10:11] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 76 ms returned sat
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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
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.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:412)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
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)
[2023-03-21 16:10:35] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 16:10:35] [INFO ] After 25032ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:225
Fused 225 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 230 out of 353 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 353/353 places, 297/297 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 353 transition count 295
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 352 transition count 294
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 352 transition count 294
Partial Free-agglomeration rule applied 4 times.
Drop transitions removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 352 transition count 294
Applied a total of 8 rules in 47 ms. Remains 352 /353 variables (removed 1) and now considering 294/297 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 352/353 places, 294/297 transitions.
Interrupted random walk after 815204 steps, including 11007 resets, run timeout after 30001 ms. (steps per millisecond=27 ) properties seen 13
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10000 steps, including 25 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10000 steps, including 24 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 18 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10000 steps, including 26 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10000 steps, including 26 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 20 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 90 ms. (steps per millisecond=111 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 212) seen :0
Probabilistic random walk after 10000001 steps, saw 1268379 distinct states, run finished after 58775 ms. (steps per millisecond=170 ) properties seen :0
Running SMT prover for 212 properties.
// Phase 1: matrix 294 rows 352 cols
[2023-03-21 16:12:07] [INFO ] Computed 60 place invariants in 7 ms
[2023-03-21 16:12:08] [INFO ] [Real]Absence check using 36 positive place invariants in 6 ms returned sat
[2023-03-21 16:12:08] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 15 ms returned sat
[2023-03-21 16:12:10] [INFO ] After 2537ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:212
[2023-03-21 16:12:11] [INFO ] [Nat]Absence check using 36 positive place invariants in 6 ms returned sat
[2023-03-21 16:12:11] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 157 ms returned sat
[2023-03-21 16:12:21] [INFO ] After 7522ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :212
[2023-03-21 16:12:21] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:12:29] [INFO ] After 7623ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :212
[2023-03-21 16:12:29] [INFO ] Deduced a trap composed of 7 places in 59 ms of which 4 ms to minimize.
[2023-03-21 16:12:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 96 ms
[2023-03-21 16:12:29] [INFO ] Deduced a trap composed of 13 places in 83 ms of which 1 ms to minimize.
[2023-03-21 16:12:30] [INFO ] Deduced a trap composed of 12 places in 101 ms of which 1 ms to minimize.
[2023-03-21 16:12:30] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 1 ms to minimize.
[2023-03-21 16:12:30] [INFO ] Deduced a trap composed of 17 places in 70 ms of which 0 ms to minimize.
[2023-03-21 16:12:30] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 398 ms
[2023-03-21 16:12:34] [INFO ] Deduced a trap composed of 8 places in 71 ms of which 0 ms to minimize.
[2023-03-21 16:12:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 100 ms
[2023-03-21 16:12:37] [INFO ] Deduced a trap composed of 9 places in 55 ms of which 0 ms to minimize.
[2023-03-21 16:12:37] [INFO ] Deduced a trap composed of 11 places in 50 ms of which 1 ms to minimize.
[2023-03-21 16:12:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 156 ms
[2023-03-21 16:12:40] [INFO ] After 18132ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :212
Attempting to minimize the solution found.
Minimization took 8530 ms.
[2023-03-21 16:12:48] [INFO ] After 38353ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :212
Parikh walk visited 16 properties in 16982 ms.
Support contains 201 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 14 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 352/352 places, 294/294 transitions.
Interrupted random walk after 919013 steps, including 12445 resets, run timeout after 30001 ms. (steps per millisecond=30 ) properties seen 0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 19 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 16 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 24 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 25 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 23 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 24 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 24 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 20 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 23 resets, run finished after 61 ms. (steps per millisecond=163 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 17 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 58 ms. (steps per millisecond=172 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 22 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 24 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 73 ms. (steps per millisecond=137 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 76 ms. (steps per millisecond=131 ) properties (out of 196) seen :0
Incomplete Best-First random walk after 10000 steps, including 16 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 196) seen :0
Probabilistic random walk after 10000001 steps, saw 1268379 distinct states, run finished after 57900 ms. (steps per millisecond=172 ) properties seen :0
Running SMT prover for 196 properties.
[2023-03-21 16:14:36] [INFO ] Invariant cache hit.
[2023-03-21 16:14:37] [INFO ] [Real]Absence check using 36 positive place invariants in 6 ms returned sat
[2023-03-21 16:14:37] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 15 ms returned sat
[2023-03-21 16:14:39] [INFO ] After 2403ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:196
[2023-03-21 16:14:40] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:14:40] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 149 ms returned sat
[2023-03-21 16:14:49] [INFO ] After 7282ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :196
[2023-03-21 16:14:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:14:57] [INFO ] After 7794ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :196
[2023-03-21 16:14:57] [INFO ] Deduced a trap composed of 15 places in 78 ms of which 0 ms to minimize.
[2023-03-21 16:14:57] [INFO ] Deduced a trap composed of 6 places in 70 ms of which 0 ms to minimize.
[2023-03-21 16:14:57] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 1 ms to minimize.
[2023-03-21 16:14:57] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 267 ms
[2023-03-21 16:15:06] [INFO ] Deduced a trap composed of 10 places in 60 ms of which 0 ms to minimize.
[2023-03-21 16:15:06] [INFO ] Deduced a trap composed of 12 places in 53 ms of which 0 ms to minimize.
[2023-03-21 16:15:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 203 ms
[2023-03-21 16:15:07] [INFO ] After 17954ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :196
Attempting to minimize the solution found.
Minimization took 8345 ms.
[2023-03-21 16:15:15] [INFO ] After 36634ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :196
Parikh walk visited 144 properties in 30026 ms.
Support contains 55 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 26 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 352/352 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 14 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2023-03-21 16:15:45] [INFO ] Invariant cache hit.
[2023-03-21 16:15:46] [INFO ] Implicit Places using invariants in 167 ms returned []
[2023-03-21 16:15:46] [INFO ] Invariant cache hit.
[2023-03-21 16:15:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:15:46] [INFO ] Implicit Places using invariants and state equation in 403 ms returned []
Implicit Place search using SMT with State Equation took 572 ms to find 0 implicit places.
[2023-03-21 16:15:46] [INFO ] Redundant transitions in 14 ms returned []
[2023-03-21 16:15:46] [INFO ] Invariant cache hit.
[2023-03-21 16:15:46] [INFO ] Dead Transitions using invariants and state equation in 134 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 741 ms. Remains : 352/352 places, 294/294 transitions.
Incomplete random walk after 100000 steps, including 1342 resets, run finished after 2031 ms. (steps per millisecond=49 ) properties (out of 55) seen :3
Running SMT prover for 52 properties.
[2023-03-21 16:15:48] [INFO ] Invariant cache hit.
[2023-03-21 16:15:48] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:15:48] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2023-03-21 16:15:48] [INFO ] After 157ms SMT Verify possible using state equation in real domain returned unsat :0 sat :52
[2023-03-21 16:15:48] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:15:48] [INFO ] After 69ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :52
[2023-03-21 16:15:50] [INFO ] After 1261ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :51 real:1
Attempting to minimize the solution found.
Minimization took 36 ms.
[2023-03-21 16:15:50] [INFO ] After 1566ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :51 real:1
[2023-03-21 16:15:50] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:15:50] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 189 ms returned sat
[2023-03-21 16:15:51] [INFO ] After 574ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :52
[2023-03-21 16:15:51] [INFO ] After 180ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :52
[2023-03-21 16:15:52] [INFO ] After 1450ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :52
Attempting to minimize the solution found.
Minimization took 181 ms.
[2023-03-21 16:15:52] [INFO ] After 2534ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :52
Incomplete random walk after 1000000 steps, including 13394 resets, run finished after 18595 ms. (steps per millisecond=53 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 171 resets, run finished after 405 ms. (steps per millisecond=246 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100000 steps, including 725 resets, run finished after 562 ms. (steps per millisecond=177 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100000 steps, including 731 resets, run finished after 545 ms. (steps per millisecond=183 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 728 resets, run finished after 597 ms. (steps per millisecond=167 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 251 resets, run finished after 405 ms. (steps per millisecond=246 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100000 steps, including 239 resets, run finished after 426 ms. (steps per millisecond=234 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 255 resets, run finished after 438 ms. (steps per millisecond=228 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 251 resets, run finished after 406 ms. (steps per millisecond=246 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 234 resets, run finished after 518 ms. (steps per millisecond=193 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100000 steps, including 240 resets, run finished after 583 ms. (steps per millisecond=171 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 249 resets, run finished after 408 ms. (steps per millisecond=245 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100000 steps, including 253 resets, run finished after 512 ms. (steps per millisecond=195 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 233 resets, run finished after 432 ms. (steps per millisecond=231 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 243 resets, run finished after 501 ms. (steps per millisecond=199 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 239 resets, run finished after 470 ms. (steps per millisecond=212 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 235 resets, run finished after 376 ms. (steps per millisecond=265 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 263 resets, run finished after 531 ms. (steps per millisecond=188 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 236 resets, run finished after 398 ms. (steps per millisecond=251 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 240 resets, run finished after 455 ms. (steps per millisecond=219 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 243 resets, run finished after 601 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 233 resets, run finished after 519 ms. (steps per millisecond=192 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 244 resets, run finished after 404 ms. (steps per millisecond=247 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 243 resets, run finished after 506 ms. (steps per millisecond=197 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 258 resets, run finished after 440 ms. (steps per millisecond=227 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 238 resets, run finished after 445 ms. (steps per millisecond=224 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 241 resets, run finished after 494 ms. (steps per millisecond=202 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 225 resets, run finished after 417 ms. (steps per millisecond=239 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 248 resets, run finished after 403 ms. (steps per millisecond=248 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 235 resets, run finished after 393 ms. (steps per millisecond=254 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 247 resets, run finished after 442 ms. (steps per millisecond=226 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 237 resets, run finished after 397 ms. (steps per millisecond=251 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 242 resets, run finished after 399 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 233 resets, run finished after 397 ms. (steps per millisecond=251 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100000 steps, including 246 resets, run finished after 401 ms. (steps per millisecond=249 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 222 resets, run finished after 395 ms. (steps per millisecond=253 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 242 resets, run finished after 395 ms. (steps per millisecond=253 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 230 resets, run finished after 391 ms. (steps per millisecond=255 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100000 steps, including 240 resets, run finished after 401 ms. (steps per millisecond=249 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 230 resets, run finished after 390 ms. (steps per millisecond=256 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 247 resets, run finished after 968 ms. (steps per millisecond=103 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 245 resets, run finished after 400 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 235 resets, run finished after 402 ms. (steps per millisecond=248 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 237 resets, run finished after 405 ms. (steps per millisecond=246 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 238 resets, run finished after 399 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 238 resets, run finished after 390 ms. (steps per millisecond=256 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 236 resets, run finished after 394 ms. (steps per millisecond=253 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 247 resets, run finished after 413 ms. (steps per millisecond=242 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 225 resets, run finished after 398 ms. (steps per millisecond=251 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 241 resets, run finished after 400 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 100001 steps, including 230 resets, run finished after 400 ms. (steps per millisecond=250 ) properties (out of 52) seen :0
Interrupted probabilistic random walk after 27391202 steps, run timeout after 123001 ms. (steps per millisecond=222 ) properties seen :{}
Probabilistic random walk after 27391202 steps, saw 3300754 distinct states, run finished after 123004 ms. (steps per millisecond=222 ) properties seen :0
Running SMT prover for 52 properties.
[2023-03-21 16:18:36] [INFO ] Invariant cache hit.
[2023-03-21 16:18:37] [INFO ] [Real]Absence check using 36 positive place invariants in 6 ms returned sat
[2023-03-21 16:18:37] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2023-03-21 16:18:37] [INFO ] After 686ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:52
[2023-03-21 16:18:37] [INFO ] [Nat]Absence check using 36 positive place invariants in 6 ms returned sat
[2023-03-21 16:18:37] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2023-03-21 16:18:39] [INFO ] After 1579ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :52
[2023-03-21 16:18:39] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:18:41] [INFO ] After 1769ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :52
[2023-03-21 16:18:43] [INFO ] After 3618ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :52
Attempting to minimize the solution found.
Minimization took 1453 ms.
[2023-03-21 16:18:44] [INFO ] After 7381ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :52
Parikh walk visited 48 properties in 33073 ms.
Support contains 6 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 352 transition count 294
Applied a total of 1 rules in 45 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 352/352 places, 294/294 transitions.
Incomplete random walk after 1000000 steps, including 13516 resets, run finished after 14346 ms. (steps per millisecond=69 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 1724 resets, run finished after 2902 ms. (steps per millisecond=344 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 7296 resets, run finished after 3925 ms. (steps per millisecond=254 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000000 steps, including 7300 resets, run finished after 3949 ms. (steps per millisecond=253 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 7278 resets, run finished after 3983 ms. (steps per millisecond=251 ) properties (out of 4) seen :0
Interrupted probabilistic random walk after 27307832 steps, run timeout after 87001 ms. (steps per millisecond=313 ) properties seen :{}
Probabilistic random walk after 27307832 steps, saw 3291489 distinct states, run finished after 87003 ms. (steps per millisecond=313 ) properties seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 294 rows 352 cols
[2023-03-21 16:21:14] [INFO ] Computed 60 place invariants in 7 ms
[2023-03-21 16:21:14] [INFO ] [Real]Absence check using 36 positive place invariants in 6 ms returned sat
[2023-03-21 16:21:14] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 20 ms returned sat
[2023-03-21 16:21:14] [INFO ] After 125ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-21 16:21:14] [INFO ] [Nat]Absence check using 36 positive place invariants in 8 ms returned sat
[2023-03-21 16:21:14] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 15 ms returned sat
[2023-03-21 16:21:15] [INFO ] After 501ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-21 16:21:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 16:21:15] [INFO ] After 195ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-21 16:21:15] [INFO ] After 436ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 206 ms.
[2023-03-21 16:21:15] [INFO ] After 1307ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 18024 ms.
Support contains 6 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 16 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 352/352 places, 294/294 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Applied a total of 0 rules in 10 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
[2023-03-21 16:21:33] [INFO ] Invariant cache hit.
[2023-03-21 16:21:33] [INFO ] Implicit Places using invariants in 172 ms returned []
[2023-03-21 16:21:33] [INFO ] Invariant cache hit.
[2023-03-21 16:21:34] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 16:21:34] [INFO ] Implicit Places using invariants and state equation in 496 ms returned []
Implicit Place search using SMT with State Equation took 670 ms to find 0 implicit places.
[2023-03-21 16:21:34] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-21 16:21:34] [INFO ] Invariant cache hit.
[2023-03-21 16:21:34] [INFO ] Dead Transitions using invariants and state equation in 137 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 832 ms. Remains : 352/352 places, 294/294 transitions.
Incomplete random walk after 100000 steps, including 1362 resets, run finished after 1490 ms. (steps per millisecond=67 ) properties (out of 6) seen :2
Running SMT prover for 4 properties.
[2023-03-21 16:21:36] [INFO ] Invariant cache hit.
[2023-03-21 16:21:36] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:36] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2023-03-21 16:21:36] [INFO ] After 164ms SMT Verify possible using state equation in real domain returned unsat :0 sat :4
[2023-03-21 16:21:36] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 16:21:36] [INFO ] After 29ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :4
[2023-03-21 16:21:36] [INFO ] After 134ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :3 real:1
Attempting to minimize the solution found.
Minimization took 3 ms.
[2023-03-21 16:21:36] [INFO ] After 367ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :3 real:1
[2023-03-21 16:21:36] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:21:36] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 191 ms returned sat
[2023-03-21 16:21:37] [INFO ] After 387ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-21 16:21:37] [INFO ] After 65ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-21 16:21:37] [INFO ] Deduced a trap composed of 6 places in 49 ms of which 1 ms to minimize.
[2023-03-21 16:21:37] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 0 ms to minimize.
[2023-03-21 16:21:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 159 ms
[2023-03-21 16:21:37] [INFO ] After 329ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-21 16:21:37] [INFO ] After 1036ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Incomplete random walk after 10000 steps, including 134 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1504022 steps, run timeout after 3001 ms. (steps per millisecond=501 ) properties seen :{}
Probabilistic random walk after 1504022 steps, saw 210019 distinct states, run finished after 3001 ms. (steps per millisecond=501 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-21 16:21:40] [INFO ] Invariant cache hit.
[2023-03-21 16:21:40] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:40] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2023-03-21 16:21:40] [INFO ] After 79ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:21:40] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:40] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 189 ms returned sat
[2023-03-21 16:21:41] [INFO ] After 189ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:41] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 16:21:41] [INFO ] After 40ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:41] [INFO ] Deduced a trap composed of 7 places in 51 ms of which 0 ms to minimize.
[2023-03-21 16:21:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 90 ms
[2023-03-21 16:21:41] [INFO ] After 144ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 16 ms.
[2023-03-21 16:21:41] [INFO ] After 627ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 351 transition count 293
Applied a total of 1 rules in 19 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 351/352 places, 293/294 transitions.
Incomplete random walk after 10000 steps, including 133 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1603267 steps, run timeout after 3001 ms. (steps per millisecond=534 ) properties seen :{}
Probabilistic random walk after 1603267 steps, saw 224710 distinct states, run finished after 3001 ms. (steps per millisecond=534 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2023-03-21 16:21:44] [INFO ] Computed 60 place invariants in 13 ms
[2023-03-21 16:21:44] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:44] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2023-03-21 16:21:44] [INFO ] After 83ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:21:44] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:44] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 225 ms returned sat
[2023-03-21 16:21:45] [INFO ] After 481ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:45] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:21:45] [INFO ] After 31ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:45] [INFO ] After 56ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 15 ms.
[2023-03-21 16:21:45] [INFO ] After 849ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished Parikh walk after 2948 steps, including 2 resets, run visited all 1 properties in 11 ms. (steps per millisecond=268 )
Parikh walk visited 1 properties in 11 ms.
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Incomplete random walk after 10000 steps, including 135 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1521033 steps, run timeout after 3002 ms. (steps per millisecond=506 ) properties seen :{}
Probabilistic random walk after 1521033 steps, saw 212709 distinct states, run finished after 3002 ms. (steps per millisecond=506 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 294 rows 352 cols
[2023-03-21 16:21:48] [INFO ] Computed 60 place invariants in 10 ms
[2023-03-21 16:21:48] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:48] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2023-03-21 16:21:48] [INFO ] After 82ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:21:48] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:48] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 30 ms returned sat
[2023-03-21 16:21:48] [INFO ] After 283ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 16:21:48] [INFO ] After 24ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:48] [INFO ] After 46ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-21 16:21:48] [INFO ] After 434ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 19 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 351 transition count 293
Applied a total of 1 rules in 19 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 351/352 places, 293/294 transitions.
Incomplete random walk after 10000 steps, including 141 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1577017 steps, run timeout after 3001 ms. (steps per millisecond=525 ) properties seen :{}
Probabilistic random walk after 1577017 steps, saw 220695 distinct states, run finished after 3001 ms. (steps per millisecond=525 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2023-03-21 16:21:51] [INFO ] Computed 60 place invariants in 11 ms
[2023-03-21 16:21:51] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:21:51] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 17 ms returned sat
[2023-03-21 16:21:51] [INFO ] After 85ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:21:52] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:21:52] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 97 ms returned sat
[2023-03-21 16:21:52] [INFO ] After 265ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:21:52] [INFO ] After 13ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:52] [INFO ] After 38ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 13 ms.
[2023-03-21 16:21:52] [INFO ] After 496ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 9 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 9 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2023-03-21 16:21:52] [INFO ] Invariant cache hit.
[2023-03-21 16:21:52] [INFO ] Implicit Places using invariants in 178 ms returned []
[2023-03-21 16:21:52] [INFO ] Invariant cache hit.
[2023-03-21 16:21:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:21:53] [INFO ] Implicit Places using invariants and state equation in 532 ms returned []
Implicit Place search using SMT with State Equation took 713 ms to find 0 implicit places.
[2023-03-21 16:21:53] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-21 16:21:53] [INFO ] Invariant cache hit.
[2023-03-21 16:21:53] [INFO ] Dead Transitions using invariants and state equation in 142 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 879 ms. Remains : 351/351 places, 293/293 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 351 transition count 293
Applied a total of 1 rules in 16 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2023-03-21 16:21:53] [INFO ] Computed 60 place invariants in 7 ms
[2023-03-21 16:21:53] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:21:53] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2023-03-21 16:21:53] [INFO ] After 74ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:21:53] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:53] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 99 ms returned sat
[2023-03-21 16:21:53] [INFO ] After 180ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:53] [INFO ] After 201ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 23 ms.
[2023-03-21 16:21:53] [INFO ] After 403ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Incomplete random walk after 10000 steps, including 130 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 22 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1600432 steps, run timeout after 3001 ms. (steps per millisecond=533 ) properties seen :{}
Probabilistic random walk after 1600432 steps, saw 224256 distinct states, run finished after 3001 ms. (steps per millisecond=533 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 294 rows 352 cols
[2023-03-21 16:21:56] [INFO ] Computed 60 place invariants in 11 ms
[2023-03-21 16:21:57] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:21:57] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2023-03-21 16:21:57] [INFO ] After 81ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:21:57] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:21:57] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 30 ms returned sat
[2023-03-21 16:21:57] [INFO ] After 344ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:57] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 16:21:57] [INFO ] After 36ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:21:57] [INFO ] After 60ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 38 ms.
[2023-03-21 16:21:57] [INFO ] After 540ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 351 transition count 293
Applied a total of 1 rules in 27 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 351/352 places, 293/294 transitions.
Incomplete random walk after 10000 steps, including 130 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 25 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1527174 steps, run timeout after 3001 ms. (steps per millisecond=508 ) properties seen :{}
Probabilistic random walk after 1527174 steps, saw 213636 distinct states, run finished after 3001 ms. (steps per millisecond=508 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2023-03-21 16:22:00] [INFO ] Computed 60 place invariants in 11 ms
[2023-03-21 16:22:00] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:22:00] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2023-03-21 16:22:00] [INFO ] After 244ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:22:00] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:22:00] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2023-03-21 16:22:01] [INFO ] After 187ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:22:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:22:01] [INFO ] After 17ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:22:01] [INFO ] After 38ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 14 ms.
[2023-03-21 16:22:01] [INFO ] After 319ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 8 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 7 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2023-03-21 16:22:01] [INFO ] Invariant cache hit.
[2023-03-21 16:22:01] [INFO ] Implicit Places using invariants in 176 ms returned []
[2023-03-21 16:22:01] [INFO ] Invariant cache hit.
[2023-03-21 16:22:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:22:01] [INFO ] Implicit Places using invariants and state equation in 554 ms returned []
Implicit Place search using SMT with State Equation took 732 ms to find 0 implicit places.
[2023-03-21 16:22:02] [INFO ] Redundant transitions in 4 ms returned []
[2023-03-21 16:22:02] [INFO ] Invariant cache hit.
[2023-03-21 16:22:02] [INFO ] Dead Transitions using invariants and state equation in 144 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 896 ms. Remains : 351/351 places, 293/293 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 351 transition count 293
Applied a total of 1 rules in 14 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2023-03-21 16:22:02] [INFO ] Computed 60 place invariants in 4 ms
[2023-03-21 16:22:02] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:22:02] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2023-03-21 16:22:02] [INFO ] After 139ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-21 16:22:02] [INFO ] Deduced a trap composed of 11 places in 64 ms of which 1 ms to minimize.
[2023-03-21 16:22:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 91 ms
[2023-03-21 16:22:02] [INFO ] After 240ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:22:02] [INFO ] After 313ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:22:02] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:22:02] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 12 ms returned sat
[2023-03-21 16:22:02] [INFO ] After 140ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:22:02] [INFO ] After 163ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 17 ms.
[2023-03-21 16:22:02] [INFO ] After 256ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Incomplete random walk after 10000 steps, including 133 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 26 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1591066 steps, run timeout after 3001 ms. (steps per millisecond=530 ) properties seen :{}
Probabilistic random walk after 1591066 steps, saw 222615 distinct states, run finished after 3001 ms. (steps per millisecond=530 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 294 rows 352 cols
[2023-03-21 16:22:05] [INFO ] Computed 60 place invariants in 6 ms
[2023-03-21 16:22:05] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:22:05] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 15 ms returned sat
[2023-03-21 16:22:05] [INFO ] After 84ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:22:05] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:22:05] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 42 ms returned sat
[2023-03-21 16:22:06] [INFO ] After 445ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:22:06] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 16:22:06] [INFO ] After 44ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:22:06] [INFO ] After 68ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 18 ms.
[2023-03-21 16:22:06] [INFO ] After 651ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 294/294 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 351 transition count 293
Applied a total of 1 rules in 14 ms. Remains 351 /352 variables (removed 1) and now considering 293/294 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 351/352 places, 293/294 transitions.
Incomplete random walk after 10000 steps, including 130 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 1596136 steps, run timeout after 3001 ms. (steps per millisecond=531 ) properties seen :{}
Probabilistic random walk after 1596136 steps, saw 223511 distinct states, run finished after 3001 ms. (steps per millisecond=531 ) properties seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2023-03-21 16:22:09] [INFO ] Computed 60 place invariants in 11 ms
[2023-03-21 16:22:09] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:22:09] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 14 ms returned sat
[2023-03-21 16:22:09] [INFO ] After 304ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 16:22:09] [INFO ] [Nat]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:22:10] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 99 ms returned sat
[2023-03-21 16:22:10] [INFO ] After 416ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 16:22:10] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:22:10] [INFO ] After 15ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 16:22:10] [INFO ] After 35ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 13 ms.
[2023-03-21 16:22:10] [INFO ] After 685ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 351 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 7 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 351/351 places, 293/293 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 351/351 places, 293/293 transitions.
Applied a total of 0 rules in 6 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
[2023-03-21 16:22:10] [INFO ] Invariant cache hit.
[2023-03-21 16:22:10] [INFO ] Implicit Places using invariants in 179 ms returned []
[2023-03-21 16:22:10] [INFO ] Invariant cache hit.
[2023-03-21 16:22:11] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 16:22:11] [INFO ] Implicit Places using invariants and state equation in 559 ms returned []
Implicit Place search using SMT with State Equation took 739 ms to find 0 implicit places.
[2023-03-21 16:22:11] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-21 16:22:11] [INFO ] Invariant cache hit.
[2023-03-21 16:22:11] [INFO ] Dead Transitions using invariants and state equation in 156 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 911 ms. Remains : 351/351 places, 293/293 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 351 transition count 293
Applied a total of 1 rules in 13 ms. Remains 351 /351 variables (removed 0) and now considering 293/293 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 293 rows 351 cols
[2023-03-21 16:22:11] [INFO ] Computed 60 place invariants in 6 ms
[2023-03-21 16:22:11] [INFO ] [Real]Absence check using 36 positive place invariants in 4 ms returned sat
[2023-03-21 16:22:11] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 13 ms returned sat
[2023-03-21 16:22:11] [INFO ] After 129ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-21 16:22:11] [INFO ] After 153ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 17 ms.
[2023-03-21 16:22:11] [INFO ] After 246ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 352 transition count 294
Applied a total of 1 rules in 15 ms. Remains 352 /352 variables (removed 0) and now considering 294/294 (removed 0) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 294 rows 352 cols
[2023-03-21 16:22:11] [INFO ] Computed 60 place invariants in 7 ms
[2023-03-21 16:22:11] [INFO ] [Real]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:22:11] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 18 ms returned sat
[2023-03-21 16:22:11] [INFO ] After 111ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-21 16:22:12] [INFO ] [Nat]Absence check using 36 positive place invariants in 5 ms returned sat
[2023-03-21 16:22:12] [INFO ] [Nat]Absence check using 36 positive and 24 generalized place invariants in 16 ms returned sat
[2023-03-21 16:22:12] [INFO ] After 354ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-21 16:22:12] [INFO ] After 616ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 222 ms.
[2023-03-21 16:22:12] [INFO ] After 990ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Unable to solve all queries for examination QuasiLiveness. Remains :4 assertions to prove.
No /home/mcc/execution/QuasiLiveness.xml examination file found. Proceeding without properties.
Parsed 4 properties from file /home/mcc/execution/QuasiLiveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 727493 ms.
starting LoLA
BK_INPUT DES-PT-60a
BK_EXAMINATION: QuasiLiveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: QuasiLiveness

FORMULA QuasiLiveness TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679415734092
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 16131008 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16130252 kB

BK_TIME_CONFINEMENT_REACHED

--------------------
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 QuasiLiveness -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: STATE EQUATION TRIES TRANSITION t49
lola: LAUNCH SYMM
sara: try reading problem file stateEquationProblem-QuasiLiveness-39.sara.
sara: place or transition ordering is non-deterministic
lola: The net is quasilive

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="DES-PT-60a"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 DES-PT-60a, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r117-tall-167814495500307"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-60a.tgz
mv DES-PT-60a execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;