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.r073-smll-167814399500373.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CloudDeployment-PT-2b, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r073-smll-167814399500373
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 5.9K Feb 25 14:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Feb 25 14:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 25 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 14:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Feb 25 14:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 25 14:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 25 14:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 166K 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-00
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-01
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-02
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-03
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-04
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-05
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-06
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-07
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-08
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-09
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-10
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-11
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-12
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-13
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-14
FORMULA_NAME CloudDeployment-PT-2b-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678455033484

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=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-2b
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-10 13:30:36] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-10 13:30:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 13:30:36] [INFO ] Load time of PNML (sax parser for PT used): 125 ms
[2023-03-10 13:30:36] [INFO ] Transformed 556 places.
[2023-03-10 13:30:36] [INFO ] Transformed 684 transitions.
[2023-03-10 13:30:36] [INFO ] Found NUPN structural information;
[2023-03-10 13:30:36] [INFO ] Parsed PT model containing 556 places and 684 transitions and 1987 arcs in 285 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
// Phase 1: matrix 684 rows 556 cols
[2023-03-10 13:30:36] [INFO ] Computed 9 place invariants in 44 ms
Incomplete random walk after 10000 steps, including 150 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 16) seen :13
FORMULA CloudDeployment-PT-2b-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 34 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 31 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 3) seen :0
[2023-03-10 13:30:36] [INFO ] Invariant cache hit.
[2023-03-10 13:30:37] [INFO ] [Real]Absence check using 0 positive and 9 generalized place invariants in 101 ms returned sat
[2023-03-10 13:30:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 13:30:37] [INFO ] [Real]Absence check using state equation in 395 ms returned sat
[2023-03-10 13:30:37] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 13:30:37] [INFO ] [Nat]Absence check using 0 positive and 9 generalized place invariants in 17 ms returned sat
[2023-03-10 13:30:37] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 13:30:38] [INFO ] [Nat]Absence check using state equation in 317 ms returned sat
[2023-03-10 13:30:38] [INFO ] Computed and/alt/rep : 671/1398/671 causal constraints (skipped 12 transitions) in 70 ms.
[2023-03-10 13:30:42] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1186)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
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)
[2023-03-10 13:30:42] [INFO ] [Real]Absence check using 0 positive and 9 generalized place invariants in 18 ms returned sat
[2023-03-10 13:30:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 13:30:43] [INFO ] [Real]Absence check using state equation in 327 ms returned sat
[2023-03-10 13:30:43] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 13:30:43] [INFO ] [Nat]Absence check using 0 positive and 9 generalized place invariants in 18 ms returned sat
[2023-03-10 13:30:43] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 13:30:43] [INFO ] [Nat]Absence check using state equation in 321 ms returned sat
[2023-03-10 13:30:43] [INFO ] Computed and/alt/rep : 671/1398/671 causal constraints (skipped 12 transitions) in 63 ms.
[2023-03-10 13:30:48] [INFO ] Added : 425 causal constraints over 85 iterations in 4511 ms. Result :unknown
[2023-03-10 13:30:48] [INFO ] [Real]Absence check using 0 positive and 9 generalized place invariants in 17 ms returned sat
[2023-03-10 13:30:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-10 13:30:48] [INFO ] [Real]Absence check using state equation in 307 ms returned sat
[2023-03-10 13:30:48] [INFO ] Solution in real domain found non-integer solution.
[2023-03-10 13:30:48] [INFO ] [Nat]Absence check using 0 positive and 9 generalized place invariants in 19 ms returned sat
[2023-03-10 13:30:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-10 13:30:49] [INFO ] [Nat]Absence check using state equation in 293 ms returned sat
[2023-03-10 13:30:49] [INFO ] Computed and/alt/rep : 671/1398/671 causal constraints (skipped 12 transitions) in 119 ms.
[2023-03-10 13:30:53] [INFO ] Added : 430 causal constraints over 86 iterations in 4540 ms. Result :unknown
Current structural bounds on expressions (after SMT) : [1, 1, 1] Max seen :[0, 0, 0]
Support contains 3 out of 556 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 556/556 places, 684/684 transitions.
Graph (trivial) has 562 edges and 556 vertex of which 168 / 556 are part of one of the 16 SCC in 7 ms
Free SCC test removed 152 places
Drop transitions removed 202 transitions
Reduce isomorphic transitions removed 202 transitions.
Graph (complete) has 922 edges and 404 vertex of which 388 are kept as prefixes of interest. Removing 16 places using SCC suffix rule.3 ms
Discarding 16 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions removed 200 transitions
Trivial Post-agglo rules discarded 200 transitions
Performed 200 trivial Post agglomeration. Transition count delta: 200
Iterating post reduction 0 with 208 rules applied. Total rules applied 210 place count 388 transition count 272
Reduce places removed 200 places and 0 transitions.
Iterating post reduction 1 with 200 rules applied. Total rules applied 410 place count 188 transition count 272
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 410 place count 188 transition count 264
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 426 place count 180 transition count 264
Discarding 57 places :
Symmetric choice reduction at 2 with 57 rule applications. Total rules 483 place count 123 transition count 207
Iterating global reduction 2 with 57 rules applied. Total rules applied 540 place count 123 transition count 207
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 542 place count 123 transition count 205
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 542 place count 123 transition count 196
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 560 place count 114 transition count 196
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 620 place count 84 transition count 166
Performed 14 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 648 place count 70 transition count 194
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 654 place count 70 transition count 188
Drop transitions removed 32 transitions
Redundant transition composition rules discarded 32 transitions
Iterating global reduction 4 with 32 rules applied. Total rules applied 686 place count 70 transition count 156
Free-agglomeration rule applied 20 times with reduction of 2 identical transitions.
Iterating global reduction 4 with 20 rules applied. Total rules applied 706 place count 70 transition count 134
Reduce places removed 20 places and 0 transitions.
Drop transitions removed 14 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 22 transitions.
Graph (complete) has 232 edges and 50 vertex of which 49 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 4 with 43 rules applied. Total rules applied 749 place count 49 transition count 112
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 750 place count 49 transition count 111
Discarding 2 places :
Symmetric choice reduction at 6 with 2 rule applications. Total rules 752 place count 47 transition count 105
Iterating global reduction 6 with 2 rules applied. Total rules applied 754 place count 47 transition count 105
Drop transitions removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 6 with 12 rules applied. Total rules applied 766 place count 47 transition count 93
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 767 place count 46 transition count 92
Applied a total of 767 rules in 147 ms. Remains 46 /556 variables (removed 510) and now considering 92/684 (removed 592) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 46/556 places, 92/684 transitions.
Normalized transition count is 64 out of 92 initially.
// Phase 1: matrix 64 rows 46 cols
[2023-03-10 13:30:54] [INFO ] Computed 7 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 30194 resets, run finished after 1255 ms. (steps per millisecond=796 ) properties (out of 3) seen :3
FORMULA CloudDeployment-PT-2b-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudDeployment-PT-2b-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 19257 ms.
ITS solved all properties within timeout

BK_STOP 1678455056273

--------------------
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 UpperBounds -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CloudDeployment-PT-2b"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is CloudDeployment-PT-2b, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r073-smll-167814399500373"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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