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.r024-smll-177946789600277.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 BlocksWorld-PT-20, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r024-smll-177946789600277
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 9.6K Mar 5 16:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 5 16:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 16:56 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 5 16:56 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Mar 15 07:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Mar 15 07:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 5 16:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 5 16:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 5 16:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Mar 5 16:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 07:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 11M 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 1779503246291

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BlocksWorld-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-23 02:27:28] [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]
[2026-05-23 02:27:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 02:27:29] [INFO ] Load time of PNML (sax parser for PT used): 1251 ms
[2026-05-23 02:27:29] [INFO ] Transformed 10711 places.
[2026-05-23 02:27:29] [INFO ] Transformed 21013 transitions.
[2026-05-23 02:27:29] [INFO ] Found NUPN structural information;
[2026-05-23 02:27:29] [INFO ] Completing missing partition info from NUPN : creating a component with [pred_on_table_0, pred_arm_empty_0, pred_on_table_1, pred_on_table_2, pred_on_table_3, pred_on_table_4, pred_on_table_5, pred_on_table_6, pred_on_table_7, pred_on_table_8, pred_on_table_9, pred_on_table_10, pred_on_table_11, pred_on_table_12, pred_on_table_13, pred_on_table_14, pred_on_table_15, pred_on_table_16, pred_on_table_17, pred_on_table_18, pred_on_table_19, pred_on_table_20, pred_on_table_21, pred_on_table_22, pred_on_table_23, pred_on_table_24, pred_on_table_25, pred_on_table_26, pred_on_table_27, pred_on_table_28, pred_on_table_29, pred_on_table_30, pred_on_table_31, pred_on_table_32, pred_on_table_33, pred_on_table_34, pred_on_table_35, pred_on_table_36, pred_on_table_37, pred_on_table_38, pred_on_table_39, pred_on_table_40, pred_on_table_41, pred_on_table_42, pred_on_table_43, pred_on_table_44, pred_on_table_45, pred_on_table_46, pred_on_table_47, pred_on_table_48, pred_on_table_49, pred_on_table_50, pred_on_table_51, pred_on_table_52, pred_on_table_53, pred_on_table_54, pred_on_table_55, pred_on_table_56, pred_on_table_57, pred_on_table_58, pred_on_table_59, pred_on_table_60, pred_on_table_61, pred_on_table_62, pred_on_table_63, pred_on_table_64, pred_on_table_65, pred_on_table_66, pred_on_table_67, pred_on_table_68, pred_on_table_69, pred_on_table_70, pred_on_table_71, pred_on_table_72, pred_on_table_73, pred_on_table_74, pred_on_table_75, pred_on_table_76, pred_on_table_77, pred_on_table_78, pred_on_table_79, pred_on_table_80, pred_on_table_81, pred_on_table_82, pred_on_table_83, pred_on_table_84, pred_on_table_85, pred_on_table_86, pred_on_table_87, pred_on_table_88, pred_on_table_89, pred_on_table_90, pred_on_table_91, pred_on_table_92, pred_on_table_93, pred_on_table_94, pred_on_table_95, pred_on_table_96, pred_on_table_97, pred_on_table_98, pred_on_table_99, pred_on_table_100, pred_on_table_101]
[2026-05-23 02:27:30] [INFO ] Parsed PT model containing 10711 places and 21013 transitions and 105048 arcs in 1579 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 10711/10711 places, 21013/21013 transitions.
Applied a total of 0 rules in 561 ms. Remains 10711 /10711 variables (removed 0) and now considering 21013/21013 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3039868182862462717.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10205946774434519088.kers'
[2026-05-23 02:27:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3039868182862462717.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10205946774434519088.kers]
Normalized transition count is 21012 out of 21013 initially.
Culled 0 columns in 32 ms.
// Phase 1: matrix 21012 rows 10711 cols 104448 entries
Finished phase 1 with 10506 SingleSign rule and 0 generalized
[2026-05-23 02:27:31] [INFO ] Computed 205 invariants in 240 ms
Computed 205 P flows in 241 ms.
Exported basis to /tmp/petrispot-output-10205946774434519088.kers
Total runtime 272 ms.
[2026-05-23 02:28:04] [INFO ] Performed 1670/10711 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 02:28:34] [INFO ] Implicit Places using invariants in 63801 ms returned []
Implicit Place search using SMT only with invariants took 63918 ms to find 0 implicit places.
Running 21003 sub problems to find dead transitions.
[2026-05-23 02:28:35] [INFO ] Invariant cache hit.
[2026-05-23 02:28:35] [INFO ] State equation strengthened by 185 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem TDEAD1 is UNSAT
Problem TDEAD103 is UNSAT
Problem TDEAD307 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD719 is UNSAT
Problem TDEAD822 is UNSAT
Problem TDEAD925 is UNSAT
Problem TDEAD1028 is UNSAT
Problem TDEAD1131 is UNSAT
Problem TDEAD1234 is UNSAT
Problem TDEAD1337 is UNSAT
Problem TDEAD1440 is UNSAT
Problem TDEAD1543 is UNSAT
Problem TDEAD1646 is UNSAT
Problem TDEAD1749 is UNSAT
Problem TDEAD1852 is UNSAT
Problem TDEAD1955 is UNSAT
Problem TDEAD2058 is UNSAT
Problem TDEAD2161 is UNSAT
Problem TDEAD2264 is UNSAT
Problem TDEAD2470 is UNSAT
Problem TDEAD2573 is UNSAT
Problem TDEAD2676 is UNSAT
Problem TDEAD2779 is UNSAT
Problem TDEAD2985 is UNSAT
Problem TDEAD3088 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10701 variables, 185/185 constraints. Problems are: Problem set: 26 solved, 20977 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 10701/31724 variables, and 185 constraints, problems are : Problem set: 26 solved, 20977 unsolved in 31035 ms.
Refiners :[Positive P Invariants (semi-flows): 185/205 constraints, State Equation: 0/10711 constraints, ReadFeed: 0/185 constraints, PredecessorRefiner: 20978/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 26 solved, 20977 unsolved
Problem TDEAD3191 is UNSAT
Problem TDEAD3294 is UNSAT
Problem TDEAD3397 is UNSAT
Problem TDEAD3500 is UNSAT
Problem TDEAD3603 is UNSAT
Problem TDEAD3706 is UNSAT
Problem TDEAD3809 is UNSAT
Problem TDEAD3912 is UNSAT
Problem TDEAD4015 is UNSAT
Problem TDEAD4118 is UNSAT
Problem TDEAD4221 is UNSAT
Problem TDEAD4324 is UNSAT
Problem TDEAD4427 is UNSAT
Problem TDEAD4530 is UNSAT
Problem TDEAD4633 is UNSAT
Problem TDEAD4736 is UNSAT
Problem TDEAD4942 is UNSAT
Problem TDEAD5045 is UNSAT
Problem TDEAD5148 is UNSAT
Problem TDEAD5251 is UNSAT
Problem TDEAD5354 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/10676 variables, 138/138 constraints. Problems are: Problem set: 47 solved, 20956 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 10676/31724 variables, and 138 constraints, problems are : Problem set: 47 solved, 20956 unsolved in 30399 ms.
Refiners :[Positive P Invariants (semi-flows): 138/205 constraints, State Equation: 0/10711 constraints, ReadFeed: 0/185 constraints, PredecessorRefiner: 20753/204 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 131190ms problems are : Problem set: 47 solved, 20956 unsolved
Search for dead transitions found 47 dead transitions in 131451ms
Found 47 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 197945 ms.

BK_STOP 1779503446457

--------------------
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
++ 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 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="BlocksWorld-PT-20"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is BlocksWorld-PT-20, 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 r024-smll-177946789600277"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-20.tgz
mv BlocksWorld-PT-20 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 ;