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.r018-smll-177946788100303.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-02, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788100303
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 9.1K Mar 5 16:51 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K 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 4.5K Mar 15 07:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 07:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 5 16:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 5 16:51 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 175K 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 BlocksWorld-PT-02-ReachabilityFireability-2024-00
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-01
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-02
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-03
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-04
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-05
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-06
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-07
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-08
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-09
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-10
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-11
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-12
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-13
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-14
FORMULA_NAME BlocksWorld-PT-02-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779571208337

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BlocksWorld-PT-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 21:20:10] [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]
[2026-05-23 21:20:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:20:11] [INFO ] Load time of PNML (sax parser for PT used): 185 ms
[2026-05-23 21:20:11] [INFO ] Transformed 209 places.
[2026-05-23 21:20:11] [INFO ] Transformed 365 transitions.
[2026-05-23 21:20:11] [INFO ] Found NUPN structural information;
[2026-05-23 21:20:11] [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]
[2026-05-23 21:20:11] [INFO ] Parsed PT model containing 209 places and 365 transitions and 1810 arcs in 396 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
[2026-05-23 21:20:12] [INFO ] Flatten gal took : 256 ms
[2026-05-23 21:20:12] [INFO ] Flatten gal took : 141 ms
RANDOM walk for 40000 steps (8 resets) in 3635 ms. (11 steps per ms) remains 9/16 properties
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-23 21:20:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13407673240592221550.gal : 82 ms
BEST_FIRST walk for 40003 steps (8 resets) in 386 ms. (103 steps per ms) remains 9/9 properties
[2026-05-23 21:20:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6477009848797517969.prop : 15 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/ReachabilityCardinality13407673240592221550.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6477009848797517969.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 ...329
Loading property file /tmp/ReachabilityCardinality6477009848797517969.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 4
BEST_FIRST walk for 40002 steps (8 resets) in 1125 ms. (35 steps per ms) remains 9/9 properties
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :4 after 15
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :15 after 46
BEST_FIRST walk for 40003 steps (8 resets) in 816 ms. (48 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1098 ms. (36 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 399 ms. (100 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 510 ms. (78 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 276 ms. (144 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 365 ms. (109 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 292 ms. (136 steps per ms) remains 9/9 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13722238018977271659.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7225383848443571125.kers'
[2026-05-23 21:20:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13722238018977271659.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7225383848443571125.kers]
Normalized transition count is 364 out of 365 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 364 rows 209 cols 1742 entries
Finished phase 1 with 182 SingleSign rule and 0 generalized
[2026-05-23 21:20:14] [INFO ] Computed 27 invariants in 2 ms
Computed 27 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-7225383848443571125.kers
Total runtime 4 ms.
SDD proceeding with computation,9 properties remain. new max is 32
[2026-05-23 21:20:14] [INFO ] State equation strengthened by 19 read => feed constraints.
SDD size :46 after 4577
Excessive predecessor constraint size, skipping predecessor.
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-01 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-02 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-05 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-09 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-09 TRUE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-10 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-13 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 6 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 0/1 constraints. Problems are: Problem set: 6 solved, 3 unsolved
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-04 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem BlocksWorld-PT-02-ReachabilityFireability-2024-14 is UNSAT
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 97/209 variables, 26/27 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/209 variables, 0/27 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 364/573 variables, 209/236 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/573 variables, 18/254 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 0/254 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/574 variables, 1/255 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/574 variables, 0/255 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/574 variables, 0/255 constraints. Problems are: Problem set: 8 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 574/574 variables, and 255 constraints, problems are : Problem set: 8 solved, 1 unsolved in 741 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 209/209 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 3/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/111 variables, 9/9 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/9 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 98/209 variables, 18/27 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/209 variables, 0/27 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 364/573 variables, 209/236 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/573 variables, 18/254 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/573 variables, 0/254 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/574 variables, 1/255 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/574 variables, 0/255 constraints. Problems are: Problem set: 8 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/574 variables, 0/255 constraints. Problems are: Problem set: 8 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 574/574 variables, and 255 constraints, problems are : Problem set: 8 solved, 1 unsolved in 476 ms.
Refiners :[Positive P Invariants (semi-flows): 27/27 constraints, State Equation: 209/209 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1573ms problems are : Problem set: 8 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 7 out of 209 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 209/209 places, 365/365 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 209 transition count 364
Applied a total of 1 rules in 377 ms. Remains 209 /209 variables (removed 0) and now considering 364/365 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 388 ms. Remains : 209/209 places, 364/365 transitions.
RANDOM walk for 35098 steps (7 resets) in 594 ms. (58 steps per ms) remains 0/1 properties
FORMULA BlocksWorld-PT-02-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
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 5406 ms.

BK_STOP 1779571216240

--------------------
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
++ 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 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="BlocksWorld-PT-02"
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 BlocksWorld-PT-02, 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 r018-smll-177946788100303"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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