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-177946844700427.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 CANConstruction-PT-090, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700427
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 13M
-rw-r--r-- 1 mcc users 11K Mar 6 09:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 6 09:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 09:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 09:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.4K Mar 15 07:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 07:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 09:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 09:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 09:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 09:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:52 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 12M 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 1779481853199

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-090
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 20:30:54] [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 20:30:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:30:55] [INFO ] Load time of PNML (sax parser for PT used): 616 ms
[2026-05-22 20:30:55] [INFO ] Transformed 17282 places.
[2026-05-22 20:30:55] [INFO ] Transformed 33120 transitions.
[2026-05-22 20:30:55] [INFO ] Parsed PT model containing 17282 places and 33120 transitions and 99000 arcs in 879 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 17282/17282 places, 33120/33120 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 630 transitions
Trivial Post-agglo rules discarded 630 transitions
Performed 630 trivial Post agglomeration. Transition count delta: 630
Iterating post reduction 0 with 630 rules applied. Total rules applied 630 place count 17282 transition count 32490
Reduce places removed 630 places and 0 transitions.
Iterating post reduction 1 with 630 rules applied. Total rules applied 1260 place count 16652 transition count 32490
Performed 8100 Post agglomeration using F-continuation condition.Transition count delta: 8100
Deduced a syphon composed of 8100 places in 28 ms
Reduce places removed 8100 places and 0 transitions.
Iterating global reduction 2 with 16200 rules applied. Total rules applied 17460 place count 8552 transition count 24390
Applied a total of 17460 rules in 3828 ms. Remains 8552 /17282 variables (removed 8730) and now considering 24390/33120 (removed 8730) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14428215294972956472.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14136152965921561414.kers'
[2026-05-22 20:30:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14428215294972956472.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14136152965921561414.kers]
Culled 0 columns in 8 ms.
// Phase 1: matrix 24390 rows 8552 cols 49230 entries
Finished phase 1 with 8281 SingleSign rule and 90 generalized
[2026-05-22 20:30:59] [INFO ] Computed 181 invariants in 90 ms
Computed 181 P flows in 105 ms.
Exported basis to /tmp/petrispot-output-14136152965921561414.kers
Total runtime 120 ms.
[2026-05-22 20:31:16] [INFO ] Implicit Places using invariants in 17577 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]
Discarding 90 places :
Implicit Place search using SMT only with invariants took 17645 ms to find 90 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 8462/17282 places, 24390/33120 transitions.
Performed 180 Post agglomeration using F-continuation condition.Transition count delta: 180
Deduced a syphon composed of 180 places in 30 ms
Reduce places removed 180 places and 0 transitions.
Iterating global reduction 0 with 360 rules applied. Total rules applied 360 place count 8282 transition count 24210
Applied a total of 360 rules in 829 ms. Remains 8282 /8462 variables (removed 180) and now considering 24210/24390 (removed 180) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13513820602668127204.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10737743335799821388.kers'
[2026-05-22 20:31:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13513820602668127204.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10737743335799821388.kers]
Culled 0 columns in 10 ms.
// Phase 1: matrix 24210 rows 8282 cols 56610 entries
Finished phase 1 with 8191 SingleSign rule and 0 generalized
[2026-05-22 20:31:18] [INFO ] Computed 91 invariants in 628 ms
Computed 91 P flows in 644 ms.
Exported basis to /tmp/petrispot-output-10737743335799821388.kers
Total runtime 664 ms.
[2026-05-22 20:31:33] [INFO ] Implicit Places using invariants in 15635 ms returned []
Implicit Place search using SMT only with invariants took 15637 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 8282/17282 places, 24210/33120 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 37960 ms. Remains : 8282/17282 places, 24210/33120 transitions.
Discarding 8010 transitions out of 24210. Remains 16200
Initial state reduction rules removed 90 formulas.
RANDOM walk for 40000 steps (87 resets) in 7187 ms. (5 steps per ms) remains 3252/16110 properties
BEST_FIRST walk for 124 steps (0 resets) in 17 ms. (6 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 33 ms. (3 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 34 ms. (3 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 43 ms. (2 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 28 ms. (4 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 37 ms. (3 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 23 ms. (5 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 20 ms. (5 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 19 ms. (6 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
[2026-05-22 20:31:36] [INFO ] Flatten gal took : 1111 ms
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 3252/3252 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 3252/3252 properties
[2026-05-22 20:31:36] [INFO ] Invariant cache hit.
[2026-05-22 20:31:36] [INFO ] Flatten gal took : 366 ms
[2026-05-22 20:31:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1282552907315873884.gal : 183 ms
[2026-05-22 20:31:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11185512731428831363.prop : 19 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/ReachabilityCardinality1282552907315873884.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11185512731428831363.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 20:31:37] [INFO ] State equation strengthened by 24120 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality11185512731428831363.prop.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3239/32492 variables, and 0 constraints, problems are : Problem set: 0 solved, 3252 unsolved in 5076 ms.
Refiners :[Positive P Invariants (semi-flows): 0/91 constraints, State Equation: 0/8282 constraints, ReadFeed: 0/24120 constraints, PredecessorRefiner: 3252/3252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3252 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3239/32492 variables, and 0 constraints, problems are : Problem set: 0 solved, 3252 unsolved in 5059 ms.
Refiners :[Positive P Invariants (semi-flows): 0/91 constraints, State Equation: 0/8282 constraints, ReadFeed: 0/24120 constraints, PredecessorRefiner: 0/3252 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21227ms problems are : Problem set: 0 solved, 3252 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3239 out of 8282 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8282/8282 places, 24210/24210 transitions.
Applied a total of 0 rules in 89990 ms. Remains 8282 /8282 variables (removed 0) and now considering 24210/24210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89992 ms. Remains : 8282/8282 places, 24210/24210 transitions.
RANDOM walk for 814445 steps (1819 resets) in 87069 ms. (9 steps per ms) remains 0/3252 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 16200 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 177799 ms.

BK_STOP 1779482032293

--------------------
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-090"
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-090, 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-177946844700427"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-090.tgz
mv CANConstruction-PT-090 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 ;