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-177946789600207.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 BlocksWorld-PT-06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r024-smll-177946789600207
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.5M
-rw-r--r-- 1 mcc users 7.9K Mar 5 16:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 5 16:51 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 5 16:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 5 16:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 07:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 5 16:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 5 16:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 5 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 5 16:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:27 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:27 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 1.1M 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 1779475746243

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-06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:49:08] [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]
[2026-05-22 18:49:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:49:09] [INFO ] Load time of PNML (sax parser for PT used): 481 ms
[2026-05-22 18:49:09] [INFO ] Transformed 1189 places.
[2026-05-22 18:49:09] [INFO ] Transformed 2245 transitions.
[2026-05-22 18:49:09] [INFO ] Found NUPN structural information;
[2026-05-22 18:49:09] [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]
[2026-05-22 18:49:09] [INFO ] Parsed PT model containing 1189 places and 2245 transitions and 11210 arcs in 746 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1189/1189 places, 2245/2245 transitions.
Applied a total of 0 rules in 139 ms. Remains 1189 /1189 variables (removed 0) and now considering 2245/2245 (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-15458158130120759435.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7117696713446669109.kers'
[2026-05-22 18:49:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15458158130120759435.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7117696713446669109.kers]
Normalized transition count is 2244 out of 2245 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 2244 rows 1189 cols 11022 entries
Finished phase 1 with 1122 SingleSign rule and 0 generalized
[2026-05-22 18:49:09] [INFO ] Computed 67 invariants in 21 ms
Computed 67 P flows in 23 ms.
Exported basis to /tmp/petrispot-output-7117696713446669109.kers
Total runtime 28 ms.
[2026-05-22 18:49:13] [INFO ] Implicit Places using invariants in 3750 ms returned []
[2026-05-22 18:49:13] [INFO ] Invariant cache hit.
[2026-05-22 18:49:14] [INFO ] State equation strengthened by 59 read => feed constraints.
[2026-05-22 18:49:18] [INFO ] Implicit Places using invariants and state equation in 5715 ms returned []
Implicit Place search using SMT with State Equation took 9536 ms to find 0 implicit places.
Running 2241 sub problems to find dead transitions.
[2026-05-22 18:49:19] [INFO ] Invariant cache hit.
[2026-05-22 18:49:19] [INFO ] State equation strengthened by 59 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem TDEAD1 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD134 is UNSAT
Problem TDEAD168 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD236 is UNSAT
Problem TDEAD270 is UNSAT
Problem TDEAD304 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD508 is UNSAT
Problem TDEAD542 is UNSAT
Problem TDEAD576 is UNSAT
Problem TDEAD610 is UNSAT
Problem TDEAD644 is UNSAT
Problem TDEAD678 is UNSAT
Problem TDEAD712 is UNSAT
Problem TDEAD746 is UNSAT
Problem TDEAD780 is UNSAT
Problem TDEAD814 is UNSAT
Problem TDEAD848 is UNSAT
Problem TDEAD882 is UNSAT
Problem TDEAD916 is UNSAT
Problem TDEAD984 is UNSAT
Problem TDEAD1018 is UNSAT
Problem TDEAD1052 is UNSAT
Problem TDEAD1086 is UNSAT
Problem TDEAD1120 is UNSAT
Problem TDEAD1188 is UNSAT
Problem TDEAD1252 is UNSAT
Problem TDEAD1314 is UNSAT
Problem TDEAD1374 is UNSAT
Problem TDEAD1432 is UNSAT
Problem TDEAD1488 is UNSAT
Problem TDEAD1542 is UNSAT
Problem TDEAD1644 is UNSAT
Problem TDEAD1692 is UNSAT
Problem TDEAD1738 is UNSAT
Problem TDEAD1782 is UNSAT
Problem TDEAD1824 is UNSAT
Problem TDEAD1864 is UNSAT
Problem TDEAD1902 is UNSAT
Problem TDEAD1938 is UNSAT
Problem TDEAD1972 is UNSAT
Problem TDEAD2004 is UNSAT
Problem TDEAD2034 is UNSAT
Problem TDEAD2062 is UNSAT
Problem TDEAD2088 is UNSAT
Problem TDEAD2112 is UNSAT
Problem TDEAD2134 is UNSAT
Problem TDEAD2154 is UNSAT
Problem TDEAD2172 is UNSAT
Problem TDEAD2202 is UNSAT
Problem TDEAD2214 is UNSAT
Problem TDEAD2224 is UNSAT
Problem TDEAD2232 is UNSAT
Problem TDEAD2238 is UNSAT
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/1185 variables, 60/60 constraints. Problems are: Problem set: 60 solved, 2181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1185/3434 variables, and 60 constraints, problems are : Problem set: 60 solved, 2181 unsolved in 30211 ms.
Refiners :[Positive P Invariants (semi-flows): 60/67 constraints, State Equation: 0/1189 constraints, ReadFeed: 0/59 constraints, PredecessorRefiner: 2211/1123 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 60 solved, 2181 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1155 variables, 4/4 constraints. Problems are: Problem set: 60 solved, 2181 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1155/3434 variables, and 4 constraints, problems are : Problem set: 60 solved, 2181 unsolved in 30098 ms.
Refiners :[Positive P Invariants (semi-flows): 4/67 constraints, State Equation: 0/1189 constraints, ReadFeed: 0/59 constraints, PredecessorRefiner: 1088/1123 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65106ms problems are : Problem set: 60 solved, 2181 unsolved
Search for dead transitions found 60 dead transitions in 65173ms
Found 60 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 75788 ms.

BK_STOP 1779475824316

--------------------
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-06"
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-06, 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-177946789600207"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BlocksWorld-PT-06.tgz
mv BlocksWorld-PT-06 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 ;