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.r506-tall-171649622400037.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 JoinFreeModules-PT-0200, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r506-tall-171649622400037
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K 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 3.6K Apr 22 14:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 22 14:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 14:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Apr 11 14:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Apr 11 14:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Apr 11 14:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 613K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1717218018155

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-0200
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:00:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 05:00:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:00:19] [INFO ] Load time of PNML (sax parser for PT used): 133 ms
[2024-06-01 05:00:19] [INFO ] Transformed 1001 places.
[2024-06-01 05:00:19] [INFO ] Transformed 1601 transitions.
[2024-06-01 05:00:19] [INFO ] Parsed PT model containing 1001 places and 1601 transitions and 4602 arcs in 247 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1001/1001 places, 1601/1601 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1000 transition count 1601
Applied a total of 1 rules in 48 ms. Remains 1000 /1001 variables (removed 1) and now considering 1601/1601 (removed 0) transitions.
Running 1200 sub problems to find dead transitions.
// Phase 1: matrix 1601 rows 1000 cols
[2024-06-01 05:00:19] [INFO ] Computed 200 invariants in 22 ms
[2024-06-01 05:00:19] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
SMT process timed out in 20459ms, After SMT, problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 20498ms
[2024-06-01 05:00:40] [INFO ] Invariant cache hit.
[2024-06-01 05:00:40] [INFO ] Implicit Places using invariants in 192 ms returned []
[2024-06-01 05:00:40] [INFO ] Invariant cache hit.
[2024-06-01 05:00:40] [INFO ] State equation strengthened by 200 read => feed constraints.
[2024-06-01 05:00:40] [INFO ] Implicit Places using invariants and state equation in 583 ms returned []
Implicit Place search using SMT with State Equation took 782 ms to find 0 implicit places.
Running 1200 sub problems to find dead transitions.
[2024-06-01 05:00:40] [INFO ] Invariant cache hit.
[2024-06-01 05:00:40] [INFO ] State equation strengthened by 200 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 1200/1200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/800 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
At refinement iteration 1 (OVERLAPS) 200/1000 variables, 200/200 constraints. Problems are: Problem set: 0 solved, 1200 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1000/2601 variables, and 200 constraints, problems are : Problem set: 0 solved, 1200 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 0/1000 constraints, ReadFeed: 0/200 constraints, PredecessorRefiner: 0/1200 constraints, Known Traps: 0/0 constraints]
After SMT, in 60388ms problems are : Problem set: 0 solved, 1200 unsolved
Search for dead transitions found 0 dead transitions in 60401ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1000/1001 places, 1601/1601 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 81790 ms. Remains : 1000/1001 places, 1601/1601 transitions.
Discarding 800 transitions out of 1601. Remains 801
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40628 steps (8 resets) in 815 ms. (49 steps per ms) remains 494/800 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 12 ms. (31 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 11 ms. (33 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 12 ms. (31 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 11 ms. (33 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 19 ms. (20 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 494/494 properties
[2024-06-01 05:01:41] [INFO ] Invariant cache hit.
[2024-06-01 05:01:41] [INFO ] State equation strengthened by 200 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s0 5.0)
(s1 2.0)
(s3 4.0)
(s4 5.0)
(s5 5.0)
(s6 2.0)
(s8 4.0)
(s9 5.0)
(s10 5.0)
(s15 5.0)
(s16 2.0)
(s20 5.0)
(s23 4.0)
(s24 5.0)
(s25 5.0)
(s26 2.0)
(s30 5.0)
(s35 5.0)
(s36 2.0)
(s38 4.0)
(s39 5.0)
(s40 5.0)
(s43 timeout
4.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/494 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 494 unsolved
SMT process timed out in 5170ms, After SMT, problems are : Problem set: 0 solved, 494 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 494 out of 1000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Graph (complete) has 2400 edges and 1000 vertex of which 955 are kept as prefixes of interest. Removing 45 places using SCC suffix rule.4 ms
Discarding 45 places :
Also discarding 72 output transitions
Drop transitions (Output transitions of discarded places.) removed 72 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 955 transition count 1528
Applied a total of 2 rules in 79 ms. Remains 955 /1000 variables (removed 45) and now considering 1528/1601 (removed 73) transitions.
Running 1146 sub problems to find dead transitions.
// Phase 1: matrix 1528 rows 955 cols
[2024-06-01 05:01:47] [INFO ] Computed 191 invariants in 9 ms
[2024-06-01 05:01:47] [INFO ] State equation strengthened by 191 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/764 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1146 unsolved
SMT process timed out in 20232ms, After SMT, problems are : Problem set: 0 solved, 1146 unsolved
Search for dead transitions found 0 dead transitions in 20241ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20322 ms. Remains : 955/1000 places, 1528/1601 transitions.
RANDOM walk for 815489 steps (0 resets) in 11184 ms. (72 steps per ms) remains 0/494 properties
Able to resolve query QuasiLiveness after proving 801 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 111580 ms.
ITS solved all properties within timeout

BK_STOP 1717218130897

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -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="JoinFreeModules-PT-0200"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is JoinFreeModules-PT-0200, 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 r506-tall-171649622400037"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0200.tgz
mv JoinFreeModules-PT-0200 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 ;