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-177946844700432.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)
..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is CANConstruction-PT-100, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700432
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 7.3K Mar 6 09:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 6 09:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 6 09:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 09:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 07:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Mar 6 09:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 137K Mar 6 09:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 09:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 09:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:53 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 15M 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 1779481913476

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANConstruction-PT-100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:31:54] [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 20:31:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:31:55] [INFO ] Load time of PNML (sax parser for PT used): 644 ms
[2026-05-22 20:31:55] [INFO ] Transformed 21202 places.
[2026-05-22 20:31:55] [INFO ] Transformed 40800 transitions.
[2026-05-22 20:31:55] [INFO ] Parsed PT model containing 21202 places and 40800 transitions and 122000 arcs in 890 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 21202/21202 places, 40800/40800 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 700 transitions
Trivial Post-agglo rules discarded 700 transitions
Performed 700 trivial Post agglomeration. Transition count delta: 700
Iterating post reduction 0 with 700 rules applied. Total rules applied 700 place count 21202 transition count 40100
Reduce places removed 700 places and 0 transitions.
Iterating post reduction 1 with 700 rules applied. Total rules applied 1400 place count 20502 transition count 40100
Performed 10000 Post agglomeration using F-continuation condition.Transition count delta: 10000
Deduced a syphon composed of 10000 places in 36 ms
Reduce places removed 10000 places and 0 transitions.
Iterating global reduction 2 with 20000 rules applied. Total rules applied 21400 place count 10502 transition count 30100
Applied a total of 21400 rules in 5540 ms. Remains 10502 /21202 variables (removed 10700) and now considering 30100/40800 (removed 10700) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14045490319349648608.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12258197566856200398.kers'
[2026-05-22 20:32:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14045490319349648608.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12258197566856200398.kers]
Culled 0 columns in 11 ms.
// Phase 1: matrix 30100 rows 10502 cols 60700 entries
Finished phase 1 with 10201 SingleSign rule and 100 generalized
[2026-05-22 20:32:01] [INFO ] Computed 201 invariants in 101 ms
Computed 201 P flows in 103 ms.
Exported basis to /tmp/petrispot-output-12258197566856200398.kers
Total runtime 122 ms.
[2026-05-22 20:32:24] [INFO ] Implicit Places using invariants in 23135 ms returned [5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 143, 149, 155, 161, 167, 173, 179, 185, 191, 197, 203, 209, 215, 221, 227, 233, 239, 245, 251, 257, 263, 269, 275, 281, 287, 293, 299, 305, 311, 317, 323, 329, 335, 341, 347, 353, 359, 365, 371, 377, 383, 389, 395, 401, 407, 413, 419, 425, 431, 437, 443, 449, 455, 461, 467, 473, 479, 485, 491, 497, 503, 509, 515, 521, 527, 533, 539, 545, 551, 557, 563, 569, 575, 581, 587, 593, 599]
Discarding 100 places :
Implicit Place search using SMT only with invariants took 23225 ms to find 100 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 10402/21202 places, 30100/40800 transitions.
Performed 200 Post agglomeration using F-continuation condition.Transition count delta: 200
Deduced a syphon composed of 200 places in 12 ms
Reduce places removed 200 places and 0 transitions.
Iterating global reduction 0 with 400 rules applied. Total rules applied 400 place count 10202 transition count 29900
Applied a total of 400 rules in 972 ms. Remains 10202 /10402 variables (removed 200) and now considering 29900/30100 (removed 200) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13767898872727634257.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4761093613612782378.kers'
[2026-05-22 20:32:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13767898872727634257.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4761093613612782378.kers]
Culled 0 columns in 13 ms.
// Phase 1: matrix 29900 rows 10202 cols 69900 entries
Finished phase 1 with 10101 SingleSign rule and 0 generalized
[2026-05-22 20:32:26] [INFO ] Computed 101 invariants in 930 ms
Computed 101 P flows in 931 ms.
Exported basis to /tmp/petrispot-output-4761093613612782378.kers
Total runtime 951 ms.
[2026-05-22 20:32:47] [INFO ] Implicit Places using invariants in 22211 ms returned []
Implicit Place search using SMT only with invariants took 22214 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 10202/21202 places, 29900/40800 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 51975 ms. Remains : 10202/21202 places, 29900/40800 transitions.
Discarding 9900 transitions out of 29900. Remains 20000
Initial state reduction rules removed 100 formulas.
RANDOM walk for 40000 steps (78 resets) in 7941 ms. (5 steps per ms) remains 4955/19900 properties
BEST_FIRST walk for 124 steps (0 resets) in 17 ms. (6 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 24 ms. (4 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 26 ms. (4 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 22 ms. (5 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 18 ms. (6 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 17 ms. (6 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 21 ms. (5 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 25 ms. (4 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 26 ms. (4 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 25 ms. (4 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 40 ms. (3 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 4955/4955 properties
[2026-05-22 20:32:51] [INFO ] Invariant cache hit.
[2026-05-22 20:32:51] [INFO ] Flatten gal took : 1251 ms
[2026-05-22 20:32:52] [INFO ] Flatten gal took : 616 ms
[2026-05-22 20:32:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7324937342572458936.gal : 366 ms
[2026-05-22 20:32:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10387301503064926611.prop : 67 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/ReachabilityCardinality7324937342572458936.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10387301503064926611.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
[2026-05-22 20:32:53] [INFO ] State equation strengthened by 29800 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality10387301503064926611.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4700/40102 variables, and 0 constraints, problems are : Problem set: 0 solved, 4955 unsolved in 5109 ms.
Refiners :[Positive P Invariants (semi-flows): 0/101 constraints, State Equation: 0/10202 constraints, ReadFeed: 0/29800 constraints, PredecessorRefiner: 4955/4955 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4955 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4700/40102 variables, and 0 constraints, problems are : Problem set: 0 solved, 4955 unsolved in 5109 ms.
Refiners :[Positive P Invariants (semi-flows): 0/101 constraints, State Equation: 0/10202 constraints, ReadFeed: 0/29800 constraints, PredecessorRefiner: 0/4955 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 33656ms problems are : Problem set: 0 solved, 4955 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 4700 out of 10202 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10202/10202 places, 29900/29900 transitions.
Applied a total of 0 rules in 137049 ms. Remains 10202 /10202 variables (removed 0) and now considering 29900/29900 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137050 ms. Remains : 10202/10202 places, 29900/29900 transitions.
RANDOM walk for 677946 steps (1361 resets) in 119809 ms. (5 steps per ms) remains 0/4955 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 20000 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 257399 ms.

BK_STOP 1779482172104

--------------------
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="CANConstruction-PT-100"
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 CANConstruction-PT-100, 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-177946844700432"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-100.tgz
mv CANConstruction-PT-100 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 ;