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.r016-oct2-177944372800322.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 gold2025
Input is AutoFlight-PT-05b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372800322
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 8.2K Mar 5 16:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 5 16:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 5 16:41 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 5 16:41 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Mar 5 16:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 5 16:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 5 16:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:14 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 113K 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 1779688878987

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-05b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 06:01:20] [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]
[2026-05-25 06:01:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:01:21] [INFO ] Load time of PNML (sax parser for PT used): 188 ms
[2026-05-25 06:01:21] [INFO ] Transformed 482 places.
[2026-05-25 06:01:21] [INFO ] Transformed 480 transitions.
[2026-05-25 06:01:21] [INFO ] Found NUPN structural information;
[2026-05-25 06:01:21] [INFO ] Parsed PT model containing 482 places and 480 transitions and 1120 arcs in 367 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 482/482 places, 480/480 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 189 transitions
Trivial Post-agglo rules discarded 189 transitions
Performed 189 trivial Post agglomeration. Transition count delta: 189
Iterating post reduction 0 with 189 rules applied. Total rules applied 189 place count 482 transition count 291
Reduce places removed 189 places and 0 transitions.
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 1 with 224 rules applied. Total rules applied 413 place count 293 transition count 256
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 423 place count 283 transition count 256
Performed 67 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 67 Pre rules applied. Total rules applied 423 place count 283 transition count 189
Deduced a syphon composed of 67 places in 2 ms
Reduce places removed 67 places and 0 transitions.
Iterating global reduction 3 with 134 rules applied. Total rules applied 557 place count 216 transition count 189
Performed 92 Post agglomeration using F-continuation condition.Transition count delta: 92
Deduced a syphon composed of 92 places in 0 ms
Reduce places removed 92 places and 0 transitions.
Iterating global reduction 3 with 184 rules applied. Total rules applied 741 place count 124 transition count 97
Applied a total of 741 rules in 131 ms. Remains 124 /482 variables (removed 358) and now considering 97/480 (removed 383) transitions.
// Phase 1: matrix 97 rows 124 cols
[2026-05-25 06:01:21] [INFO ] Computed 34 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:01:23] [INFO ] Implicit Places using invariants in 1956 ms returned [38, 41, 44, 47, 50, 123]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 2027 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 118/482 places, 97/480 transitions.
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 5 Pre rules applied. Total rules applied 0 place count 118 transition count 92
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 113 transition count 92
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 24 place count 106 transition count 85
Applied a total of 24 rules in 4 ms. Remains 106 /118 variables (removed 12) and now considering 85/97 (removed 12) transitions.
// Phase 1: matrix 85 rows 106 cols
[2026-05-25 06:01:23] [INFO ] Computed 28 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:01:25] [INFO ] Implicit Places using invariants in 1670 ms returned []
[2026-05-25 06:01:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 06:01:25] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-25 06:01:27] [INFO ] Implicit Places using invariants and state equation in 2845 ms returned []
Implicit Place search using SMT with State Equation took 4520 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 106/482 places, 85/480 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 6720 ms. Remains : 106/482 places, 85/480 transitions.
Discarding 20 transitions out of 85. Remains 65
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (1774 resets) in 2062 ms. (19 steps per ms) remains 13/64 properties
[2026-05-25 06:01:28] [INFO ] Flatten gal took : 44 ms
[2026-05-25 06:01:28] [INFO ] Flatten gal took : 12 ms
[2026-05-25 06:01:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13831088631259258521.gal : 8 ms
BEST_FIRST walk for 40004 steps (135 resets) in 273 ms. (146 steps per ms) remains 13/13 properties
[2026-05-25 06:01:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2031340630978988187.prop : 0 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/ReachabilityCardinality13831088631259258521.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2031340630978988187.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
BEST_FIRST walk for 40004 steps (135 resets) in 277 ms. (143 steps per ms) remains 13/13 properties
Loading property file /tmp/ReachabilityCardinality2031340630978988187.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :10 after 244
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :244 after 124417
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :124417 after 829441
Reachability property qltransition_78 is true.
Reachability property qltransition_64 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_50 is true.
Reachability property qltransition_43 is true.
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :829441 after 830737
BEST_FIRST walk for 40003 steps (154 resets) in 158 ms. (251 steps per ms) remains 13/13 properties
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :830737 after 932149
Reachability property qltransition_66 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_52 is true.
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :932149 after 4.39793e+06
Reachability property qltransition_79 is true.
Reachability property qltransition_45 is true.
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :4.39793e+06 after 4.6656e+06
Reachability property qltransition_23 is true.
Reachability property qltransition_21 is true.
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4.6656e+06 after 8.21146e+06
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :8.21146e+06 after 1.84452e+07
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.84452e+07 after 1.99066e+07
BEST_FIRST walk for 40004 steps (155 resets) in 172 ms. (231 steps per ms) remains 13/13 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.99066e+07 after 1.14463e+08
BEST_FIRST walk for 40003 steps (157 resets) in 133 ms. (298 steps per ms) remains 13/13 properties
Reachability property qltransition_74 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 513 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4.19033e+08,0.206136,7916,2,3811,31,16634,6,0,501,10978,0
Total reachable state count : 419033089

Verifying 13 reachability properties.
Reachability property qltransition_21 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_21,31104,0.206786,8044,2,478,31,16634,7,0,507,10978,0
Reachability property qltransition_23 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_23,497664,0.207759,8172,2,529,31,16634,8,0,510,10978,0
Reachability property qltransition_43 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_43,2,0.208205,8172,2,111,31,16634,9,0,515,10978,0
Reachability property qltransition_45 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_45,3,0.208472,8172,2,118,31,16634,10,0,518,10978,0
Reachability property qltransition_50 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_50,2,0.208876,8172,2,109,31,16634,11,0,523,10978,0
Reachability property qltransition_52 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_52,2,0.209123,8172,2,109,31,16634,12,0,526,10978,0
Reachability property qltransition_57 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_57,9,0.209509,8172,2,140,31,16634,13,0,531,10978,0
Reachability property qltransition_59 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_59,9,0.209772,8172,2,140,31,16634,14,0,534,10978,0
Reachability property qltransition_64 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_64,54,0.210219,8172,2,163,31,16634,15,0,539,10978,0
Reachability property qltransition_66 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_66,54,0.210507,8172,2,163,31,16634,16,0,542,10978,0
Reachability property qltransition_74 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_74,7.96262e+06,0.210829,8172,2,715,31,16634,17,0,547,10978,0
Reachability property qltransition_78 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_78,81,0.211235,8172,2,157,31,16634,18,0,552,10978,0
Reachability property qltransition_79 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_79,81,0.211493,8172,2,157,31,16634,19,0,555,10978,0
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40004 steps (157 resets) in 139 ms. (285 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (158 resets) in 91 ms. (434 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (158 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (157 resets) in 65 ms. (606 steps per ms) remains 11/13 properties
BEST_FIRST walk for 40004 steps (180 resets) in 115 ms. (344 steps per ms) remains 10/11 properties
BEST_FIRST walk for 40004 steps (155 resets) in 72 ms. (548 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (157 resets) in 66 ms. (597 steps per ms) remains 10/10 properties
Able to resolve query QuasiLiveness after proving 65 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 8510 ms.

BK_STOP 1779688889398

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.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="AutoFlight-PT-05b"
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 AutoFlight-PT-05b, 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 r016-oct2-177944372800322"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-05b.tgz
mv AutoFlight-PT-05b 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 ;