Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r040-tall-177946844700457.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is CANInsertWithFailure-PT-040, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700457
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 11K Mar 6 09:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 09:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 09:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 09:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 07:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 6 09:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 158K Mar 6 09:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.9K Mar 6 09:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 09:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 9.8M Mar 3 18:30 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 1779482155228

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-040
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:35:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 20:35:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:35:56] [INFO ] Load time of PNML (sax parser for PT used): 388 ms
[2026-05-22 20:35:56] [INFO ] Transformed 3684 places.
[2026-05-22 20:35:56] [INFO ] Transformed 9840 transitions.
[2026-05-22 20:35:57] [INFO ] Parsed PT model containing 3684 places and 9840 transitions and 26400 arcs in 546 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3684/3684 places, 9840/9840 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 280 transitions
Trivial Post-agglo rules discarded 280 transitions
Performed 280 trivial Post agglomeration. Transition count delta: 280
Iterating post reduction 0 with 281 rules applied. Total rules applied 281 place count 3683 transition count 9560
Reduce places removed 280 places and 0 transitions.
Iterating post reduction 1 with 280 rules applied. Total rules applied 561 place count 3403 transition count 9560
Performed 1560 Post agglomeration using F-continuation condition.Transition count delta: 1560
Deduced a syphon composed of 1560 places in 42 ms
Reduce places removed 1560 places and 0 transitions.
Iterating global reduction 2 with 3120 rules applied. Total rules applied 3681 place count 1843 transition count 8000
Applied a total of 3681 rules in 672 ms. Remains 1843 /3684 variables (removed 1841) and now considering 8000/9840 (removed 1840) transitions.
[2026-05-22 20:35:57] [INFO ] Flow matrix only has 6518 transitions (discarded 1482 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12444444320518040098.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5133602603028502783.kers'
[2026-05-22 20:35:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12444444320518040098.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5133602603028502783.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 6518 rows 1843 cols 13316 entries
Finished phase 1 with 1761 SingleSign rule and 40 generalized
[2026-05-22 20:35:57] [INFO ] Computed 42 invariants in 63 ms
Computed 42 P flows in 63 ms.
Exported basis to /tmp/petrispot-output-5133602603028502783.kers
Total runtime 68 ms.
[2026-05-22 20:35:59] [INFO ] Implicit Places using invariants in 1655 ms returned []
[2026-05-22 20:35:59] [INFO ] Flow matrix only has 6518 transitions (discarded 1482 similar events)
[2026-05-22 20:35:59] [INFO ] Invariant cache hit.
[2026-05-22 20:36:01] [INFO ] State equation strengthened by 4758 read => feed constraints.
[2026-05-22 20:36:31] [INFO ] Performed 841/1843 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 20:36:32] [INFO ] Implicit Places using invariants and state equation in 33549 ms returned []
Implicit Place search using SMT with State Equation took 35270 ms to find 0 implicit places.
Running 7960 sub problems to find dead transitions.
[2026-05-22 20:36:33] [INFO ] Flow matrix only has 6518 transitions (discarded 1482 similar events)
[2026-05-22 20:36:33] [INFO ] Invariant cache hit.
[2026-05-22 20:36:33] [INFO ] State equation strengthened by 4758 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1842 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 7960 unsolved
SMT process timed out in 36108ms, After SMT, problems are : Problem set: 0 solved, 7960 unsolved
Search for dead transitions found 0 dead transitions in 36181ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1843/3684 places, 8000/9840 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 72232 ms. Remains : 1843/3684 places, 8000/9840 transitions.
Discarding 4640 transitions out of 8000. Remains 3360
Initial state reduction rules removed 40 formulas.
[2026-05-22 20:37:11] [INFO ] Flatten gal took : 984 ms
[2026-05-22 20:37:12] [INFO ] Flatten gal took : 311 ms
[2026-05-22 20:37:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17627258722891829683.gal : 148 ms
[2026-05-22 20:37:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2279125825395112393.prop : 50 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17627258722891829683.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2279125825395112393.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (195 resets) in 12333 ms. (3 steps per ms) remains 9/3320 properties
BEST_FIRST walk for 40004 steps (8 resets) in 224 ms. (177 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 6/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 161 ms. (246 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 1/5 properties
[2026-05-22 20:37:13] [INFO ] Flow matrix only has 6518 transitions (discarded 1482 similar events)
[2026-05-22 20:37:13] [INFO ] Invariant cache hit.
[2026-05-22 20:37:13] [INFO ] State equation strengthened by 4758 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1760/1762 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality2279125825395112393.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/1762 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1762 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 78/1840 variables, 39/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1840 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/1842 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 5449ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2 out of 1843 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1843/1843 places, 8000/8000 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 1482 transitions
Redundant transition composition rules discarded 1482 transitions
Iterating global reduction 0 with 1482 rules applied. Total rules applied 1482 place count 1843 transition count 6518
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1483 place count 1843 transition count 6517
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1484 place count 1842 transition count 6517
Partial Free-agglomeration rule applied 1559 times.
Drop transitions (Partial Free agglomeration) removed 1559 transitions
Iterating global reduction 1 with 1559 rules applied. Total rules applied 3043 place count 1842 transition count 6517
Applied a total of 3043 rules in 1222 ms. Remains 1842 /1843 variables (removed 1) and now considering 6517/8000 (removed 1483) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1226 ms. Remains : 1842/1843 places, 6517/8000 transitions.
RANDOM walk for 134114 steps (737 resets) in 2723 ms. (49 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 3360 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 84779 ms.

BK_STOP 1779482241277

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="CANInsertWithFailure-PT-040"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 2-5973"
echo " Executing tool itstools"
echo " Input is CANInsertWithFailure-PT-040, 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 r040-tall-177946844700457"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-040.tgz
mv CANInsertWithFailure-PT-040 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.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 ;