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-oct2-177944366300471.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-02b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366300471
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 488K
-rw-r--r-- 1 mcc users 6.2K Mar 5 16:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 5 16:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 5 16:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 5 16:32 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 07:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Mar 5 16:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 5 16:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 5 16:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:12 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 48K 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-02b-ReachabilityFireability-2024-00
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-01
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-02
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-03
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-04
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-05
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-06
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-07
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-08
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-09
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-10
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-11
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-12
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-13
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-14
FORMULA_NAME AutoFlight-PT-02b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779490965778

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-02b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 23:02:47] [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 23:02:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:02:47] [INFO ] Load time of PNML (sax parser for PT used): 98 ms
[2026-05-22 23:02:47] [INFO ] Transformed 206 places.
[2026-05-22 23:02:47] [INFO ] Transformed 204 transitions.
[2026-05-22 23:02:47] [INFO ] Found NUPN structural information;
[2026-05-22 23:02:47] [INFO ] Parsed PT model containing 206 places and 204 transitions and 478 arcs in 225 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (352 resets) in 1758 ms. (22 steps per ms) remains 9/16 properties
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 23:02:48] [INFO ] Flatten gal took : 85 ms
[2026-05-22 23:02:48] [INFO ] Flatten gal took : 59 ms
BEST_FIRST walk for 40004 steps (46 resets) in 340 ms. (117 steps per ms) remains 9/9 properties
[2026-05-22 23:02:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3610248895097952858.gal : 24 ms
[2026-05-22 23:02:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3166704809790394419.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/ReachabilityCardinality3610248895097952858.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3166704809790394419.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 ...328
Loading property file /tmp/ReachabilityCardinality3166704809790394419.prop.
BEST_FIRST walk for 40004 steps (47 resets) in 504 ms. (79 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :8 after 18
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :18 after 33
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :33 after 461
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :461 after 198971
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :198971 after 1.34818e+09
BEST_FIRST walk for 40002 steps (56 resets) in 378 ms. (105 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (55 resets) in 192 ms. (207 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (45 resets) in 264 ms. (150 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (66 resets) in 214 ms. (186 steps per ms) remains 8/9 properties
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (43 resets) in 93 ms. (425 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (44 resets) in 100 ms. (396 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (46 resets) in 133 ms. (298 steps per ms) remains 8/8 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6991561601739549471.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12265644068235852505.kers'
[2026-05-22 23:02:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6991561601739549471.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12265644068235852505.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 204 rows 206 cols 478 entries
Finished phase 1 with 186 SingleSign rule and 4 generalized
[2026-05-22 23:02:49] [INFO ] Computed 16 invariants in 0 ms
Computed 16 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12265644068235852505.kers
Total runtime 1 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 101/101 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AutoFlight-PT-02b-ReachabilityFireability-2024-01 is UNSAT
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 104/205 variables, 15/116 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/205 variables, 104/220 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 0/220 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 1/206 variables, 1/221 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/206 variables, 1/222 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 0/222 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 204/410 variables, 206/428 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/410 variables, 0/428 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 0/410 variables, 0/428 constraints. Problems are: Problem set: 1 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 410/410 variables, and 428 constraints, problems are : Problem set: 1 solved, 7 unsolved in 623 ms.
Refiners :[Domain max(s): 206/206 constraints, Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 206/206 constraints, PredecessorRefiner: 8/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 74/74 constraints. Problems are: Problem set: 1 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/74 constraints. Problems are: Problem set: 1 solved, 7 unsolved
Problem AutoFlight-PT-02b-ReachabilityFireability-2024-02 is UNSAT
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem AutoFlight-PT-02b-ReachabilityFireability-2024-13 is UNSAT
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 131/205 variables, 15/89 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/205 variables, 131/220 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Problem AutoFlight-PT-02b-ReachabilityFireability-2024-03 is UNSAT
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 4 (INCLUDED_ONLY) 0/205 variables, 8/228 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/205 variables, 0/228 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 1/206 variables, 1/229 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/206 variables, 1/230 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/206 variables, 0/230 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 204/410 variables, 206/436 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/410 variables, 4/440 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/410 variables, 1/441 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/410 variables, 0/441 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/410 variables, 0/441 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 410/410 variables, and 441 constraints, problems are : Problem set: 4 solved, 4 unsolved in 2232 ms.
Refiners :[Domain max(s): 206/206 constraints, Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 206/206 constraints, PredecessorRefiner: 4/7 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 2964ms problems are : Problem set: 4 solved, 4 unsolved
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-10 FALSE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-04 FALSE TECHNIQUES PARIKH_WALK
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 116 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=58 )
FORMULA AutoFlight-PT-02b-ReachabilityFireability-2024-06 TRUE TECHNIQUES PARIKH_WALK
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 54 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 4708 ms.

BK_STOP 1779490972199

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-02b"
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-02b, 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-oct2-177944366300471"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-02b.tgz
mv AutoFlight-PT-02b 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 ;