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-177946789600202.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-05, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r024-smll-177946789600202
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 9.4K Mar 5 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 5 16:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 5 16:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 07:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 07:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 5 16:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 5 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 5 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:26 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 783K 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 1779475342040

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-05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:42:24] [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 18:42:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:42:25] [INFO ] Load time of PNML (sax parser for PT used): 422 ms
[2026-05-22 18:42:25] [INFO ] Transformed 869 places.
[2026-05-22 18:42:25] [INFO ] Transformed 1625 transitions.
[2026-05-22 18:42:25] [INFO ] Found NUPN structural information;
[2026-05-22 18:42:25] [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]
[2026-05-22 18:42:25] [INFO ] Parsed PT model containing 869 places and 1625 transitions and 8110 arcs in 703 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 869/869 places, 1625/1625 transitions.
Applied a total of 0 rules in 113 ms. Remains 869 /869 variables (removed 0) and now considering 1625/1625 (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-4950092892725431871.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7580025529978256475.kers'
[2026-05-22 18:42:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4950092892725431871.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7580025529978256475.kers]
Normalized transition count is 1624 out of 1625 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 1624 rows 869 cols 7952 entries
Finished phase 1 with 812 SingleSign rule and 0 generalized
[2026-05-22 18:42:25] [INFO ] Computed 57 invariants in 14 ms
Computed 57 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-7580025529978256475.kers
Total runtime 19 ms.
[2026-05-22 18:42:28] [INFO ] Implicit Places using invariants in 2594 ms returned []
[2026-05-22 18:42:28] [INFO ] Invariant cache hit.
[2026-05-22 18:42:29] [INFO ] State equation strengthened by 45 read => feed constraints.
[2026-05-22 18:42:32] [INFO ] Implicit Places using invariants and state equation in 4231 ms returned []
Implicit Place search using SMT with State Equation took 6906 ms to find 0 implicit places.
Running 1619 sub problems to find dead transitions.
[2026-05-22 18:42:32] [INFO ] Invariant cache hit.
[2026-05-22 18:42:32] [INFO ] State equation strengthened by 45 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Problem TDEAD1 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD85 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD259 is UNSAT
Problem TDEAD288 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD375 is UNSAT
Problem TDEAD404 is UNSAT
Problem TDEAD433 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD491 is UNSAT
Problem TDEAD520 is UNSAT
Problem TDEAD549 is UNSAT
Problem TDEAD578 is UNSAT
Problem TDEAD607 is UNSAT
Problem TDEAD636 is UNSAT
Problem TDEAD694 is UNSAT
Problem TDEAD723 is UNSAT
Problem TDEAD781 is UNSAT
Problem TDEAD810 is UNSAT
Problem TDEAD839 is UNSAT
Problem TDEAD868 is UNSAT
Problem TDEAD922 is UNSAT
Problem TDEAD974 is UNSAT
Problem TDEAD1072 is UNSAT
Problem TDEAD1162 is UNSAT
Problem TDEAD1204 is UNSAT
Problem TDEAD1244 is UNSAT
Problem TDEAD1318 is UNSAT
Problem TDEAD1352 is UNSAT
Problem TDEAD1384 is UNSAT
Problem TDEAD1414 is UNSAT
Problem TDEAD1442 is UNSAT
Problem TDEAD1468 is UNSAT
Problem TDEAD1492 is UNSAT
Problem TDEAD1514 is UNSAT
Problem TDEAD1534 is UNSAT
Problem TDEAD1552 is UNSAT
Problem TDEAD1582 is UNSAT
Problem TDEAD1594 is UNSAT
Problem TDEAD1612 is UNSAT
Problem TDEAD1618 is UNSAT
Problem TDEAD1622 is UNSAT
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/863 variables, 46/46 constraints. Problems are: Problem set: 46 solved, 1573 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 863/2494 variables, and 46 constraints, problems are : Problem set: 46 solved, 1573 unsolved in 30145 ms.
Refiners :[Positive P Invariants (semi-flows): 46/57 constraints, State Equation: 0/869 constraints, ReadFeed: 0/45 constraints, PredecessorRefiner: 1596/813 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 46 solved, 1573 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/840 variables, 6/6 constraints. Problems are: Problem set: 46 solved, 1573 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 840/2494 variables, and 6 constraints, problems are : Problem set: 46 solved, 1573 unsolved in 30071 ms.
Refiners :[Positive P Invariants (semi-flows): 6/57 constraints, State Equation: 0/869 constraints, ReadFeed: 0/45 constraints, PredecessorRefiner: 783/813 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64298ms problems are : Problem set: 46 solved, 1573 unsolved
Search for dead transitions found 46 dead transitions in 64355ms
Found 46 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 72258 ms.

BK_STOP 1779475416836

--------------------
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-05"
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-05, 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-177946789600202"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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