Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r496-tall-171640602500015.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FlexibleBarrier-PT-04b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640602500015
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 6.7K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 22 14:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.2K Apr 13 08:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 82K Apr 13 08:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Apr 13 08:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Apr 13 08:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 69K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-00
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-01
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-02
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-03
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-04
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-05
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-06
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-07
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-08
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-09
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-10
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-11
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-12
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-13
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-14
FORMULA_NAME FlexibleBarrier-PT-04b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1717181818052

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-04b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 18:56:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 18:56:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 18:56:59] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2024-05-31 18:56:59] [INFO ] Transformed 268 places.
[2024-05-31 18:56:59] [INFO ] Transformed 305 transitions.
[2024-05-31 18:56:59] [INFO ] Found NUPN structural information;
[2024-05-31 18:56:59] [INFO ] Parsed PT model containing 268 places and 305 transitions and 743 arcs in 172 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (952 resets) in 1495 ms. (26 steps per ms) remains 6/16 properties
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40003 steps (167 resets) in 180 ms. (221 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (175 resets) in 430 ms. (92 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (182 resets) in 119 ms. (333 steps per ms) remains 5/6 properties
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (102 resets) in 1059 ms. (37 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (175 resets) in 154 ms. (258 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (178 resets) in 132 ms. (300 steps per ms) remains 5/5 properties
// Phase 1: matrix 305 rows 268 cols
[2024-05-31 18:57:00] [INFO ] Computed 6 invariants in 20 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/107 variables, 107/107 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/107 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem FlexibleBarrier-PT-04b-ReachabilityFireability-2024-09 is UNSAT
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 161/268 variables, 6/113 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 161/274 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 0/274 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 305/573 variables, 268/542 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 0/542 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/573 variables, 0/542 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 573/573 variables, and 542 constraints, problems are : Problem set: 1 solved, 4 unsolved in 729 ms.
Refiners :[Domain max(s): 268/268 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 268/268 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 83/83 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/83 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 185/268 variables, 6/89 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/268 variables, 185/274 constraints. Problems are: Problem set: 1 solved, 4 unsolved
[2024-05-31 18:57:01] [INFO ] Deduced a trap composed of 79 places in 116 ms of which 17 ms to minimize.
[2024-05-31 18:57:01] [INFO ] Deduced a trap composed of 75 places in 65 ms of which 2 ms to minimize.
[2024-05-31 18:57:01] [INFO ] Deduced a trap composed of 16 places in 82 ms of which 2 ms to minimize.
[2024-05-31 18:57:02] [INFO ] Deduced a trap composed of 77 places in 268 ms of which 2 ms to minimize.
[2024-05-31 18:57:02] [INFO ] Deduced a trap composed of 78 places in 64 ms of which 2 ms to minimize.
Problem FlexibleBarrier-PT-04b-ReachabilityFireability-2024-15 is UNSAT
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 4 (INCLUDED_ONLY) 0/268 variables, 5/279 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/268 variables, 0/279 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 305/573 variables, 268/547 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 3/550 constraints. Problems are: Problem set: 2 solved, 3 unsolved
[2024-05-31 18:57:02] [INFO ] Deduced a trap composed of 32 places in 68 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/573 variables, 1/551 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/573 variables, 0/551 constraints. Problems are: Problem set: 2 solved, 3 unsolved
[2024-05-31 18:57:02] [INFO ] Deduced a trap composed of 80 places in 61 ms of which 1 ms to minimize.
[2024-05-31 18:57:03] [INFO ] Deduced a trap composed of 83 places in 101 ms of which 4 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/573 variables, 2/553 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/573 variables, 0/553 constraints. Problems are: Problem set: 2 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/573 variables, 0/553 constraints. Problems are: Problem set: 2 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 573/573 variables, and 553 constraints, problems are : Problem set: 2 solved, 3 unsolved in 2087 ms.
Refiners :[Domain max(s): 268/268 constraints, Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 268/268 constraints, PredecessorRefiner: 3/5 constraints, Known Traps: 8/8 constraints]
After SMT, in 2945ms problems are : Problem set: 2 solved, 3 unsolved
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-01 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-13 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 2 properties in 538 ms.
Support contains 17 out of 268 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 268/268 places, 305/305 transitions.
Graph (trivial) has 193 edges and 268 vertex of which 6 / 268 are part of one of the 1 SCC in 3 ms
Free SCC test removed 5 places
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 57 transitions
Trivial Post-agglo rules discarded 57 transitions
Performed 57 trivial Post agglomeration. Transition count delta: 57
Iterating post reduction 0 with 57 rules applied. Total rules applied 58 place count 263 transition count 242
Reduce places removed 57 places and 0 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Iterating post reduction 1 with 63 rules applied. Total rules applied 121 place count 206 transition count 236
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 127 place count 200 transition count 236
Performed 23 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 23 Pre rules applied. Total rules applied 127 place count 200 transition count 213
Deduced a syphon composed of 23 places in 1 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 46 rules applied. Total rules applied 173 place count 177 transition count 213
Discarding 58 places :
Symmetric choice reduction at 3 with 58 rule applications. Total rules 231 place count 119 transition count 155
Iterating global reduction 3 with 58 rules applied. Total rules applied 289 place count 119 transition count 155
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 289 place count 119 transition count 153
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 293 place count 117 transition count 153
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 299 place count 111 transition count 147
Iterating global reduction 3 with 6 rules applied. Total rules applied 305 place count 111 transition count 147
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 311 place count 111 transition count 141
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 4 with 50 rules applied. Total rules applied 361 place count 86 transition count 116
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 367 place count 83 transition count 120
Free-agglomeration rule applied 14 times.
Iterating global reduction 4 with 14 rules applied. Total rules applied 381 place count 83 transition count 106
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 4 with 14 rules applied. Total rules applied 395 place count 69 transition count 106
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 399 place count 69 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 400 place count 68 transition count 101
Applied a total of 400 rules in 101 ms. Remains 68 /268 variables (removed 200) and now considering 101/305 (removed 204) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 111 ms. Remains : 68/268 places, 101/305 transitions.
RANDOM walk for 40000 steps (925 resets) in 276 ms. (144 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 1224310 steps, run visited all 1 properties in 1374 ms. (steps per millisecond=891 )
Probabilistic random walk after 1224310 steps, saw 332727 distinct states, run finished after 1378 ms. (steps per millisecond=888 ) properties seen :1
FORMULA FlexibleBarrier-PT-04b-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
All properties solved without resorting to model-checking.
Total runtime 6499 ms.
ITS solved all properties within timeout

BK_STOP 1717181825783

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -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="FlexibleBarrier-PT-04b"
export BK_EXAMINATION="ReachabilityFireability"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is FlexibleBarrier-PT-04b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r496-tall-171640602500015"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-04b.tgz
mv FlexibleBarrier-PT-04b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;