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.r034-tall-177946841800182.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 BridgeAndVehicles-PT-V20P10N10, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r034-tall-177946841800182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.3M
-rw-r--r-- 1 mcc users 12K Mar 5 08:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 5 08:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 55K Mar 5 08:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 233K Mar 5 08:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.0K Mar 15 07:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 36K Mar 15 07:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 44K Mar 15 07:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 134K Mar 15 07:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 5 08:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 5 08:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 207K Mar 5 08:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 855K Mar 5 08:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.2K Mar 15 07:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 434K 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 BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-00
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-01
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-02
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-03
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-04
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-05
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-06
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-07
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-08
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-09
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-10
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-11
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-12
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-13
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-14
FORMULA_NAME BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779533021911

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V20P10N10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-23 10:43:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 10:43:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:43:43] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2026-05-23 10:43:43] [INFO ] Transformed 68 places.
[2026-05-23 10:43:43] [INFO ] Transformed 548 transitions.
[2026-05-23 10:43:43] [INFO ] Parsed PT model containing 68 places and 548 transitions and 4070 arcs in 186 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-23 10:43:43] [INFO ] Flatten gal took : 187 ms
[2026-05-23 10:43:43] [INFO ] Flatten gal took : 53 ms
[2026-05-23 10:43:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17132782434629456437.gal : 53 ms
[2026-05-23 10:43:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8002082359314544658.prop : 3 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/ReachabilityCardinality17132782434629456437.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8002082359314544658.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (224 resets) in 2735 ms. (14 steps per ms) remains 14/15 properties
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK

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
BEST_FIRST walk for 40004 steps (76 resets) in 267 ms. (149 steps per ms) remains 14/14 properties
Loading property file /tmp/ReachabilityCardinality8002082359314544658.prop.
BEST_FIRST walk for 40000 steps (80 resets) in 262 ms. (152 steps per ms) remains 14/14 properties
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :2 after 6
BEST_FIRST walk for 40000 steps (60 resets) in 338 ms. (117 steps per ms) remains 14/14 properties
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :6 after 19
BEST_FIRST walk for 40010 steps (85 resets) in 227 ms. (175 steps per ms) remains 14/14 properties
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :19 after 42
BEST_FIRST walk for 40003 steps (69 resets) in 313 ms. (127 steps per ms) remains 14/14 properties
Reachability property BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-04 is true.
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :42 after 132
BEST_FIRST walk for 40003 steps (88 resets) in 286 ms. (139 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (84 resets) in 268 ms. (148 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40006 steps (76 resets) in 340 ms. (117 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (66 resets) in 189 ms. (210 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40001 steps (73 resets) in 185 ms. (215 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40000 steps (76 resets) in 201 ms. (198 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (66 resets) in 276 ms. (144 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (68 resets) in 194 ms. (205 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (76 resets) in 193 ms. (206 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :132 after 705
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :705 after 707
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :707 after 710
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :710 after 952
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :952 after 1651
Interrupted probabilistic random walk after 367741 steps, run timeout after 3001 ms. (steps per millisecond=122 ) properties seen :0 out of 14
Probabilistic random walk after 367741 steps, saw 93537 distinct states, run finished after 3005 ms. (steps per millisecond=122 ) properties seen :0
[2026-05-23 10:43:48] [INFO ] Flow matrix only has 130 transitions (discarded 418 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-91960322824743934.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6747367127330683568.kers'
[2026-05-23 10:43:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-91960322824743934.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6747367127330683568.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 130 rows 68 cols 630 entries
Finished phase 1 with 21 SingleSign rule and 40 generalized
[2026-05-23 10:43:48] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6747367127330683568.kers
Total runtime 2 ms.
[2026-05-23 10:43:48] [INFO ] State equation strengthened by 22 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-00 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-01 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-02 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-03 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-06 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-07 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-07 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-10 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-11 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-12 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-14 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-15 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 6/6 constraints. Problems are: Problem set: 11 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/6 constraints. Problems are: Problem set: 11 solved, 3 unsolved
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-09 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-09 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 3/68 variables, 1/7 constraints. Problems are: Problem set: 12 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/7 constraints. Problems are: Problem set: 12 solved, 2 unsolved
At refinement iteration 4 (OVERLAPS) 130/198 variables, 68/75 constraints. Problems are: Problem set: 12 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 22/97 constraints. Problems are: Problem set: 12 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/97 constraints. Problems are: Problem set: 12 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/198 variables, 0/97 constraints. Problems are: Problem set: 12 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 198/198 variables, and 97 constraints, problems are : Problem set: 12 solved, 2 unsolved in 392 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 68/68 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 12/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 0/0 constraints. Problems are: Problem set: 12 solved, 2 unsolved
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-08 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-13 is UNSAT
FORMULA BridgeAndVehicles-PT-V20P10N10-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 68/198 variables, and 7 constraints, problems are : Problem set: 14 solved, 0 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 0/68 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 1/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 709ms problems are : Problem set: 14 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 5909 ms.

BK_STOP 1779533029013

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="BridgeAndVehicles-PT-V20P10N10"
export BK_EXAMINATION="ReachabilityCardinality"
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 BridgeAndVehicles-PT-V20P10N10, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r034-tall-177946841800182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V20P10N10.tgz
mv BridgeAndVehicles-PT-V20P10N10 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;