Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r002-oct2-177944366400543.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 AutoFlight-PT-12a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366400543
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 500K
-rw-r--r-- 1 mcc users 8.0K Mar 5 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 5 16:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 5 16:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 5 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 5 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 5 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 5 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:15 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 85K 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 AutoFlight-PT-12a-ReachabilityFireability-2024-00
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-01
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-02
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-03
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-04
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-05
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-06
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-07
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-08
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-09
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-10
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-11
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-12
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-13
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-14
FORMULA_NAME AutoFlight-PT-12a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779493561714

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 23:46:03] [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]
[2026-05-22 23:46:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:46:03] [INFO ] Load time of PNML (sax parser for PT used): 103 ms
[2026-05-22 23:46:03] [INFO ] Transformed 307 places.
[2026-05-22 23:46:03] [INFO ] Transformed 305 transitions.
[2026-05-22 23:46:03] [INFO ] Found NUPN structural information;
[2026-05-22 23:46:03] [INFO ] Parsed PT model containing 307 places and 305 transitions and 980 arcs in 210 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 60 transitions
Reduce redundant transitions removed 60 transitions.
[2026-05-22 23:46:04] [INFO ] Flatten gal took : 111 ms
[2026-05-22 23:46:04] [INFO ] Flatten gal took : 41 ms
RANDOM walk for 40000 steps (752 resets) in 2004 ms. (19 steps per ms) remains 7/16 properties
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (38 resets) in 469 ms. (85 steps per ms) remains 7/7 properties
[2026-05-22 23:46:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7734284232401576129.gal : 49 ms
[2026-05-22 23:46:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16916877200125622688.prop : 2 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/ReachabilityCardinality7734284232401576129.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16916877200125622688.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (42 resets) in 362 ms. (110 steps per ms) remains 7/7 properties

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/ReachabilityCardinality16916877200125622688.prop.
BEST_FIRST walk for 40004 steps (37 resets) in 626 ms. (63 steps per ms) remains 7/7 properties
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :3 after 33
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :33 after 513
BEST_FIRST walk for 40004 steps (48 resets) in 295 ms. (135 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (45 resets) in 303 ms. (131 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (48 resets) in 237 ms. (168 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (44 resets) in 231 ms. (172 steps per ms) remains 7/7 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12578755506178287951.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17128817013664746230.kers'
[2026-05-22 23:46:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12578755506178287951.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17128817013664746230.kers]
Culling duplicate invariants (modulo rational): removing 24 columns.
Culled 24 columns in 0 ms.
// Phase 1: matrix 245 rows 283 cols 716 entries
Finished phase 1 with 217 SingleSign rule and 14 generalized
[2026-05-22 23:46:05] [INFO ] Computed 76 invariants in 1 ms
Computed 76 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-17128817013664746230.kers
Total runtime 6 ms.
[2026-05-22 23:46:05] [INFO ] State equation strengthened by 60 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/138 variables, 138/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/138 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem AutoFlight-PT-12a-ReachabilityFireability-2024-05 is UNSAT
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem AutoFlight-PT-12a-ReachabilityFireability-2024-08 is UNSAT
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 157/295 variables, 66/204 constraints. Problems are: Problem set: 2 solved, 5 unsolved
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :513 after 65537
At refinement iteration 3 (INCLUDED_ONLY) 0/295 variables, 157/361 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/295 variables, 1/362 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/295 variables, 0/362 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 12/307 variables, 9/371 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/307 variables, 12/383 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/307 variables, 0/383 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 245/552 variables, 307/690 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/552 variables, 60/750 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/552 variables, 0/750 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/552 variables, 0/750 constraints. Problems are: Problem set: 2 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 750 constraints, problems are : Problem set: 2 solved, 5 unsolved in 1956 ms.
Refiners :[Domain max(s): 307/307 constraints, Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 307/307 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 7/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/93 variables, 93/93 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/93 variables, 0/93 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 187/280 variables, 56/149 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/280 variables, 187/336 constraints. Problems are: Problem set: 2 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/280 variables, 1/337 constraints. Problems are: Problem set: 2 solved, 5 unsolved
Problem AutoFlight-PT-12a-ReachabilityFireability-2024-01 is UNSAT
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (INCLUDED_ONLY) 0/280 variables, 9/346 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/280 variables, 0/346 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 27/307 variables, 19/365 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/307 variables, 27/392 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/307 variables, 0/392 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 245/552 variables, 307/699 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/552 variables, 60/759 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/552 variables, 3/762 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/552 variables, 0/762 constraints. Problems are: Problem set: 3 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 0/552 variables, 0/762 constraints. Problems are: Problem set: 3 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 552/552 variables, and 762 constraints, problems are : Problem set: 3 solved, 4 unsolved in 3336 ms.
Refiners :[Domain max(s): 307/307 constraints, Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 307/307 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5512ms problems are : Problem set: 3 solved, 4 unsolved
Fused 4 Parikh solutions to 3 different solutions.
Finished Parikh walk after 91 steps, including 1 resets, run visited all 4 properties in 3 ms. (steps per millisecond=30 )
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-15 TRUE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-12a-ReachabilityFireability-2024-00 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 9 ms.
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 7333 ms.

BK_STOP 1779493570767

--------------------
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="AutoFlight-PT-12a"
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 AutoFlight-PT-12a, 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 r002-oct2-177944366400543"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-12a.tgz
mv AutoFlight-PT-12a 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 ;