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.r082-smll-177946993500111.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 DBSingleClientW-PT-d0m07, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993500111
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.5K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 08:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 18:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 119K 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-00
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-01
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-02
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-03
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-04
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-05
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-06
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-07
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-08
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-09
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-10
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-11
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-12
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-13
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-14
FORMULA_NAME DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779554266957

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d0m07
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 16:37:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 16:37:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 16:37:49] [INFO ] Load time of PNML (sax parser for PT used): 200 ms
[2026-05-23 16:37:49] [INFO ] Transformed 553 places.
[2026-05-23 16:37:49] [INFO ] Transformed 150 transitions.
[2026-05-23 16:37:49] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 421 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 34 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 444 places in 3 ms
Reduce places removed 444 places and 0 transitions.
Reduction of identical properties reduced properties to check from 16 to 15
[2026-05-23 16:37:51] [INFO ] Flatten gal took : 160 ms
[2026-05-23 16:37:51] [INFO ] Flatten gal took : 86 ms
RANDOM walk for 40000 steps (9200 resets) in 3773 ms. (10 steps per ms) remains 14/15 properties
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 16:37:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1233652562597401328.gal : 37 ms
[2026-05-23 16:37:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12647186164906515959.prop : 34 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/ReachabilityCardinality1233652562597401328.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12647186164906515959.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
Loading property file /tmp/ReachabilityCardinality12647186164906515959.prop.
BEST_FIRST walk for 40002 steps (2369 resets) in 1153 ms. (34 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :5 after 16
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :16 after 36
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :36 after 56
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :56 after 96
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :96 after 184
BEST_FIRST walk for 40002 steps (1936 resets) in 506 ms. (78 steps per ms) remains 14/14 properties
Reachability property DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-11 is true.
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :184 after 1892
BEST_FIRST walk for 40000 steps (5000 resets) in 450 ms. (88 steps per ms) remains 14/14 properties
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :1892 after 3419
BEST_FIRST walk for 40003 steps (2038 resets) in 418 ms. (95 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (1995 resets) in 480 ms. (83 steps per ms) remains 14/14 properties
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :3419 after 5801
BEST_FIRST walk for 40004 steps (1324 resets) in 349 ms. (114 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (1979 resets) in 379 ms. (105 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (1969 resets) in 417 ms. (95 steps per ms) remains 14/14 properties
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :5801 after 38930
BEST_FIRST walk for 40002 steps (1967 resets) in 537 ms. (74 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (4038 resets) in 1076 ms. (37 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (3971 resets) in 257 ms. (155 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (1961 resets) in 235 ms. (169 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (1985 resets) in 441 ms. (90 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (1986 resets) in 255 ms. (156 steps per ms) remains 14/14 properties
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :38930 after 113066
Invariant property DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-12 does not hold.
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :113066 after 915935
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :915935 after 1.26443e+06
Interrupted probabilistic random walk after 1375749 steps, run timeout after 9001 ms. (steps per millisecond=152 ) properties seen :9 out of 14
Probabilistic random walk after 1375749 steps, saw 506333 distinct states, run finished after 9012 ms. (steps per millisecond=152 ) properties seen :9
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-643925126405889494.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15328754866550292072.kers'
[2026-05-23 16:38:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-643925126405889494.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15328754866550292072.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 150 rows 109 cols 450 entries
Finished phase 1 with 59 SingleSign rule and 44 generalized
[2026-05-23 16:38:02] [INFO ] Computed 6 invariants in 1 ms
Computed 6 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15328754866550292072.kers
Total runtime 2 ms.
[2026-05-23 16:38:02] [INFO ] State equation strengthened by 74 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-00 is UNSAT
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-06 is UNSAT
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-08 is UNSAT
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-09 is UNSAT
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-13 is UNSAT
FORMULA DBSingleClientW-PT-d0m07-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 89/259 variables, and 3 constraints, problems are : Problem set: 5 solved, 0 unsolved in 344 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 0/3 constraints, State Equation: 0/109 constraints, ReadFeed: 0/74 constraints, PredecessorRefiner: 5/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 515ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 13522 ms.

BK_STOP 1779554283004

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="DBSingleClientW-PT-d0m07"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 DBSingleClientW-PT-d0m07, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r082-smll-177946993500111"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m07.tgz
mv DBSingleClientW-PT-d0m07 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;