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.r510-tall-171654365200392.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 NoC3x3-PT-5B, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r510-tall-171654365200392
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 980K
-rw-r--r-- 1 mcc users 7.4K 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 4.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Apr 23 07:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 91K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.4K May 19 07:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 19 15:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 525K May 18 16:43 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 1717232223643

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=NoC3x3-PT-5B
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 08:57:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2024-06-01 08:57:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 08:57:05] [INFO ] Load time of PNML (sax parser for PT used): 176 ms
[2024-06-01 08:57:05] [INFO ] Transformed 1571 places.
[2024-06-01 08:57:05] [INFO ] Transformed 2173 transitions.
[2024-06-01 08:57:05] [INFO ] Found NUPN structural information;
[2024-06-01 08:57:05] [INFO ] Parsed PT model containing 1571 places and 2173 transitions and 6109 arcs in 328 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1571/1571 places, 2173/2173 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 336 transitions
Trivial Post-agglo rules discarded 336 transitions
Performed 336 trivial Post agglomeration. Transition count delta: 336
Iterating post reduction 0 with 336 rules applied. Total rules applied 336 place count 1571 transition count 1837
Reduce places removed 336 places and 0 transitions.
Iterating post reduction 1 with 336 rules applied. Total rules applied 672 place count 1235 transition count 1837
Performed 517 Post agglomeration using F-continuation condition.Transition count delta: 517
Deduced a syphon composed of 517 places in 4 ms
Reduce places removed 517 places and 0 transitions.
Iterating global reduction 2 with 1034 rules applied. Total rules applied 1706 place count 718 transition count 1320
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -42
Deduced a syphon composed of 101 places in 3 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 2 with 202 rules applied. Total rules applied 1908 place count 617 transition count 1362
Performed 65 Post agglomeration using F-continuation condition.Transition count delta: -14
Deduced a syphon composed of 65 places in 3 ms
Reduce places removed 65 places and 0 transitions.
Iterating global reduction 2 with 130 rules applied. Total rules applied 2038 place count 552 transition count 1376
Applied a total of 2038 rules in 371 ms. Remains 552 /1571 variables (removed 1019) and now considering 1376/2173 (removed 797) transitions.
[2024-06-01 08:57:05] [INFO ] Flow matrix only has 1238 transitions (discarded 138 similar events)
// Phase 1: matrix 1238 rows 552 cols
[2024-06-01 08:57:05] [INFO ] Computed 66 invariants in 33 ms
[2024-06-01 08:57:06] [INFO ] Implicit Places using invariants in 667 ms returned [13, 54, 112, 159, 235, 354, 420, 467, 532]
Discarding 9 places :
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Implicit Place search using SMT only with invariants took 713 ms to find 9 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 543/1571 places, 1366/2173 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -133
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 519 transition count 1499
Applied a total of 48 rules in 19 ms. Remains 519 /543 variables (removed 24) and now considering 1499/1366 (removed -133) transitions.
[2024-06-01 08:57:06] [INFO ] Flow matrix only has 1371 transitions (discarded 128 similar events)
// Phase 1: matrix 1371 rows 519 cols
[2024-06-01 08:57:06] [INFO ] Computed 57 invariants in 12 ms
[2024-06-01 08:57:06] [INFO ] Implicit Places using invariants in 362 ms returned []
[2024-06-01 08:57:06] [INFO ] Flow matrix only has 1371 transitions (discarded 128 similar events)
[2024-06-01 08:57:06] [INFO ] Invariant cache hit.
[2024-06-01 08:57:07] [INFO ] State equation strengthened by 120 read => feed constraints.
[2024-06-01 08:57:08] [INFO ] Implicit Places using invariants and state equation in 1335 ms returned []
Implicit Place search using SMT with State Equation took 1710 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 519/1571 places, 1499/2173 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2835 ms. Remains : 519/1571 places, 1499/2173 transitions.
Discarding 687 transitions out of 1499. Remains 812
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (215 resets) in 3439 ms. (11 steps per ms) remains 77/811 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4002 steps (8 resets) in 20 ms. (190 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 13 ms. (285 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 77/77 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 77/77 properties
[2024-06-01 08:57:09] [INFO ] Flow matrix only has 1371 transitions (discarded 128 similar events)
[2024-06-01 08:57:09] [INFO ] Invariant cache hit.
[2024-06-01 08:57:09] [INFO ] State equation strengthened by 120 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 97/97 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 229/326 variables, 35/132 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/326 variables, 229/361 constraints. Problems are: Problem set: 0 solved, 77 unsolved
[2024-06-01 08:57:10] [INFO ] Deduced a trap composed of 35 places in 182 ms of which 27 ms to minimize.
[2024-06-01 08:57:11] [INFO ] Deduced a trap composed of 39 places in 115 ms of which 2 ms to minimize.
[2024-06-01 08:57:12] [INFO ] Deduced a trap composed of 31 places in 109 ms of which 1 ms to minimize.
[2024-06-01 08:57:12] [INFO ] Deduced a trap composed of 31 places in 152 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/326 variables, 4/365 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/326 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (OVERLAPS) 193/519 variables, 22/387 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/519 variables, 193/580 constraints. Problems are: Problem set: 0 solved, 77 unsolved
[2024-06-01 08:57:13] [INFO ] Deduced a trap composed of 30 places in 131 ms of which 2 ms to minimize.
[2024-06-01 08:57:14] [INFO ] Deduced a trap composed of 31 places in 85 ms of which 2 ms to minimize.
[2024-06-01 08:57:14] [INFO ] Deduced a trap composed of 32 places in 200 ms of which 3 ms to minimize.
[2024-06-01 08:57:14] [INFO ] Deduced a trap composed of 60 places in 188 ms of which 3 ms to minimize.
SMT process timed out in 5197ms, After SMT, problems are : Problem set: 0 solved, 77 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 97 out of 519 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 519/519 places, 1499/1499 transitions.
Discarding 85 places :
Symmetric choice reduction at 0 with 85 rule applications. Total rules 85 place count 434 transition count 1244
Iterating global reduction 0 with 85 rules applied. Total rules applied 170 place count 434 transition count 1244
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 184 place count 434 transition count 1230
Discarding 12 places :
Symmetric choice reduction at 1 with 12 rule applications. Total rules 196 place count 422 transition count 1182
Iterating global reduction 1 with 12 rules applied. Total rules applied 208 place count 422 transition count 1182
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 210 place count 420 transition count 1172
Iterating global reduction 1 with 2 rules applied. Total rules applied 212 place count 420 transition count 1172
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 216 place count 420 transition count 1168
Drop transitions (Redundant composition of simpler transitions.) removed 102 transitions
Redundant transition composition rules discarded 102 transitions
Iterating global reduction 2 with 102 rules applied. Total rules applied 318 place count 420 transition count 1066
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 322 place count 420 transition count 1066
Applied a total of 322 rules in 136 ms. Remains 420 /519 variables (removed 99) and now considering 1066/1499 (removed 433) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 420/519 places, 1066/1499 transitions.
RANDOM walk for 4000000 steps (19563 resets) in 28397 ms. (140 steps per ms) remains 0/77 properties
Able to resolve query QuasiLiveness after proving 812 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 17203 ms.
ITS solved all properties within timeout

BK_STOP 1717232242349

--------------------
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="NoC3x3-PT-5B"
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 NoC3x3-PT-5B, 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 r510-tall-171654365200392"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/NoC3x3-PT-5B.tgz
mv NoC3x3-PT-5B 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 ;