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.r048-tall-177946846700417.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 gold2025
Input is CANConstruction-PT-070, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tall-177946846700417
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.8M
-rw-r--r-- 1 mcc users 11K Mar 6 09:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K Mar 6 09:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 6 09:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 09:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 07:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 09:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 6 09:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 09:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 09:31 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 7.3M 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 1779483222667

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANConstruction-PT-070
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 20:53:44] [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 20:53:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:53:44] [INFO ] Load time of PNML (sax parser for PT used): 438 ms
[2026-05-22 20:53:44] [INFO ] Transformed 10642 places.
[2026-05-22 20:53:44] [INFO ] Transformed 20160 transitions.
[2026-05-22 20:53:44] [INFO ] Parsed PT model containing 10642 places and 20160 transitions and 60200 arcs in 623 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 10642/10642 places, 20160/20160 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 490 transitions
Trivial Post-agglo rules discarded 490 transitions
Performed 490 trivial Post agglomeration. Transition count delta: 490
Iterating post reduction 0 with 490 rules applied. Total rules applied 490 place count 10642 transition count 19670
Reduce places removed 490 places and 0 transitions.
Iterating post reduction 1 with 490 rules applied. Total rules applied 980 place count 10152 transition count 19670
Performed 4900 Post agglomeration using F-continuation condition.Transition count delta: 4900
Deduced a syphon composed of 4900 places in 22 ms
Reduce places removed 4900 places and 0 transitions.
Iterating global reduction 2 with 9800 rules applied. Total rules applied 10780 place count 5252 transition count 14770
Applied a total of 10780 rules in 2036 ms. Remains 5252 /10642 variables (removed 5390) and now considering 14770/20160 (removed 5390) transitions.
// Phase 1: matrix 14770 rows 5252 cols
[2026-05-22 20:53:46] [INFO ] Computed 141 invariants in 187 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:53:55] [INFO ] Implicit Places using invariants in 8337 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]
Discarding 70 places :
Implicit Place search using SMT only with invariants took 8384 ms to find 70 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 5182/10642 places, 14770/20160 transitions.
Performed 140 Post agglomeration using F-continuation condition.Transition count delta: 140
Deduced a syphon composed of 140 places in 5 ms
Reduce places removed 140 places and 0 transitions.
Iterating global reduction 0 with 280 rules applied. Total rules applied 280 place count 5042 transition count 14630
Applied a total of 280 rules in 307 ms. Remains 5042 /5182 variables (removed 140) and now considering 14630/14770 (removed 140) transitions.
// Phase 1: matrix 14630 rows 5042 cols
[2026-05-22 20:53:56] [INFO ] Computed 71 invariants in 547 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:54:02] [INFO ] Implicit Places using invariants in 7343 ms returned []
Implicit Place search using SMT only with invariants took 7349 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 5042/10642 places, 14630/20160 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 18096 ms. Remains : 5042/10642 places, 14630/20160 transitions.
Discarding 4830 transitions out of 14630. Remains 9800
Initial state reduction rules removed 70 formulas.
[2026-05-22 20:54:05] [INFO ] Flatten gal took : 909 ms
[2026-05-22 20:54:05] [INFO ] Flatten gal took : 509 ms
[2026-05-22 20:54:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12669524183775179701.gal : 211 ms
[2026-05-22 20:54:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2562313944689734266.prop : 84 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12669524183775179701.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2562313944689734266.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2562313944689734266.prop.
RANDOM walk for 40000 steps (114 resets) in 22938 ms. (1 steps per ms) remains 221/9730 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 4 ms. (80 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 221/221 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 221/221 properties
[2026-05-22 20:54:09] [INFO ] Invariant cache hit.
[2026-05-22 20:54:09] [INFO ] State equation strengthened by 14560 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/287 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (OVERLAPS) 4754/5041 variables, 71/71 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 20:54:15] [INFO ] Deduced a trap composed of 72 places in 1147 ms of which 142 ms to minimize.
SMT process timed out in 6532ms, After SMT, problems are : Problem set: 0 solved, 221 unsolved
Fused 221 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 287 out of 5042 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5042/5042 places, 14630/14630 transitions.
Applied a total of 0 rules in 75336 ms. Remains 5042 /5042 variables (removed 0) and now considering 14630/14630 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75339 ms. Remains : 5042/5042 places, 14630/14630 transitions.
RANDOM walk for 262374 steps (751 resets) in 11170 ms. (23 steps per ms) remains 0/221 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 9800 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 110420 ms.

BK_STOP 1779483334496

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-070"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is CANConstruction-PT-070, 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 r048-tall-177946846700417"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-070.tgz
mv CANConstruction-PT-070 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 ;