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.r494-smll-171636275000077.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is Echo-PT-d03r07, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r494-smll-171636275000077
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.6M
-rw-r--r-- 1 mcc users 7.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K 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 3.5K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 15:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 12 04:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K Apr 12 04:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.6K Apr 12 04:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 12 04:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 7 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 2.2M 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 1717218864035

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Echo-PT-d03r07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:14:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 05:14:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:14:27] [INFO ] Load time of PNML (sax parser for PT used): 947 ms
[2024-06-01 05:14:27] [INFO ] Transformed 4209 places.
[2024-06-01 05:14:27] [INFO ] Transformed 3518 transitions.
[2024-06-01 05:14:27] [INFO ] Found NUPN structural information;
[2024-06-01 05:14:27] [INFO ] Parsed PT model containing 4209 places and 3518 transitions and 25540 arcs in 1286 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4209/4209 places, 3518/3518 transitions.
Reduce places removed 343 places and 0 transitions.
Iterating post reduction 0 with 343 rules applied. Total rules applied 343 place count 3866 transition count 3518
Applied a total of 343 rules in 237 ms. Remains 3866 /4209 variables (removed 343) and now considering 3518/3518 (removed 0) transitions.
// Phase 1: matrix 3518 rows 3866 cols
[2024-06-01 05:14:37] [INFO ] Invariants computation overflowed in 9560 ms
[2024-06-01 05:14:45] [INFO ] Implicit Places using invariants in 17568 ms returned []
// Phase 1: matrix 3518 rows 3866 cols
[2024-06-01 05:14:55] [INFO ] Invariants computation overflowed in 10184 ms
[2024-06-01 05:16:16] [INFO ] Performed 1/3866 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2024-06-01 05:16:48] [INFO ] Performed 3/3866 implicitness test of which 0 returned IMPLICIT in 64 seconds.
[2024-06-01 05:17:20] [INFO ] Performed 5/3866 implicitness test of which 0 returned IMPLICIT in 96 seconds.
[2024-06-01 05:17:35] [INFO ] Implicit Places using invariants and state equation in 170238 ms returned []
Implicit Place search using SMT with State Equation took 187871 ms to find 0 implicit places.
Running 3517 sub problems to find dead transitions.
// Phase 1: matrix 3518 rows 3866 cols
[2024-06-01 05:17:46] [INFO ] Invariants computation overflowed in 10129 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/3865 variables, 3865/3865 constraints. Problems are: Problem set: 0 solved, 3517 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3865/7384 variables, and 3865 constraints, problems are : Problem set: 0 solved, 3517 unsolved in 30159 ms.
Refiners :[Domain max(s): 3865/3866 constraints, State Equation: 0/3866 constraints, PredecessorRefiner: 3517/3517 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3517 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3865 variables, 3865/3865 constraints. Problems are: Problem set: 0 solved, 3517 unsolved
Error getting values : (error "ParserException while parsing response: ((s0 1)
(s1 1)
(s2 1)
(s3 1)
(s4 1)
(s5 1)
(s6 1)
(s7 1)
(s8 1)
(s9 1)
(s10 1)
(s11 1)
(s12 1)
(s13 1)
(s14 1)
(s15 1)
(s16 1)
(s17 1)
(s18 1)
(s19 1)
(s20 1)
(s21 1)
(s22 1)
(s23 1)
(s24 1)
(s25 1)
(s26 1)
(s27 1)
(s28 1)
(s29 1)
(s30 1)
(s31 1)
(s32 1)
(s33 1)
(s34 1)
(s35 1)
(s36 1)
(s37 1)
(s38 1)
(s39 1)
(s40 1)
(s41 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3865/7384 variables, and 3865 constraints, problems are : Problem set: 0 solved, 3517 unsolved in 30113 ms.
Refiners :[Domain max(s): 3865/3866 constraints, State Equation: 0/3866 constraints, PredecessorRefiner: 0/3517 constraints, Known Traps: 0/0 constraints]
After SMT, in 74460ms problems are : Problem set: 0 solved, 3517 unsolved
Search for dead transitions found 0 dead transitions in 74573ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3866/4209 places, 3518/3518 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 262764 ms. Remains : 3866/4209 places, 3518/3518 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (56 resets) in 12400 ms. (3 steps per ms) remains 23/3517 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 51 ms. (76 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 72 ms. (54 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 74 ms. (53 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 80 ms. (49 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 58 ms. (67 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 64 ms. (61 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 47 ms. (83 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 46 ms. (85 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 46 ms. (85 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 69 ms. (57 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 54 ms. (72 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 57 ms. (69 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 91 ms. (43 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 57 ms. (69 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 81 ms. (48 steps per ms) remains 23/23 properties
// Phase 1: matrix 3518 rows 3866 cols
[2024-06-01 05:19:05] [INFO ] Invariants computation overflowed in 10189 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 136/136 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/136 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 2 (OVERLAPS) 742/878 variables, 136/272 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/878 variables, 0/272 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 4 (OVERLAPS) 3184/4062 variables, 1350/1622 constraints. Problems are: Problem set: 0 solved, 23 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4062 variables, 1350/2972 constraints. Problems are: Problem set: 0 solved, 23 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 6 (INCLUDED_ONLY) 0/4062 variables, 0/2972 constraints. Problems are: Problem set: 0 solved, 23 unsolved
SMT process timed out in 15294ms, After SMT, problems are : Problem set: 0 solved, 23 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 136 out of 3866 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3866/3866 places, 3518/3518 transitions.
Graph (complete) has 14527 edges and 3866 vertex of which 3855 are kept as prefixes of interest. Removing 11 places using SCC suffix rule.31 ms
Discarding 11 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 3855 transition count 3513
Applied a total of 5 rules in 918 ms. Remains 3855 /3866 variables (removed 11) and now considering 3513/3518 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 920 ms. Remains : 3855/3866 places, 3513/3518 transitions.
RANDOM walk for 360735 steps (526 resets) in 17526 ms. (20 steps per ms) remains 0/23 properties
Able to resolve query QuasiLiveness after proving 3518 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 290501 ms.
ITS solved all properties within timeout

BK_STOP 1717219157026

--------------------
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="Echo-PT-d03r07"
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 Echo-PT-d03r07, 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 r494-smll-171636275000077"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d03r07.tgz
mv Echo-PT-d03r07 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 ;