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.r354-tall-178024402800159.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 LastZero-PT-N26, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r354-tall-178024402800159
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 8.1M
-rw-r--r-- 1 mcc users 8.0K May 27 10:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K May 27 10:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K May 27 10:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 27 10:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 209K May 27 10:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 810K May 27 10:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 27 10:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 8.0K May 27 10:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K May 27 10:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K May 27 10:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K May 27 10:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 57K May 27 10:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 150K May 27 10:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 4 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 6.5M Jun 10 11:58 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 LastZero-PT-N26-ReachabilityFireability-2024-00
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-01
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-02
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-03
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-04
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-05
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-06
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-07
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-08
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-09
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-10
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-11
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-12
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-13
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-14
FORMULA_NAME LastZero-PT-N26-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1781100668901

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LastZero-PT-N26
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-10 14:11:10] [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]
[2026-06-10 14:11:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 14:11:10] [INFO ] Load time of PNML (sax parser for PT used): 407 ms
[2026-06-10 14:11:10] [INFO ] Transformed 1512 places.
[2026-06-10 14:11:10] [INFO ] Transformed 21035 transitions.
[2026-06-10 14:11:10] [INFO ] Parsed PT model containing 1512 places and 21035 transitions and 64457 arcs in 621 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 730 places in 125 ms
Reduce places removed 730 places and 13781 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (504 resets) in 2825 ms. (14 steps per ms) remains 12/13 properties
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (37 resets) in 479 ms. (83 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 351 ms. (113 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 298 ms. (133 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 216 ms. (184 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 245 ms. (162 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 291 ms. (137 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 167 ms. (238 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 159 ms. (250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 238 ms. (167 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (40 resets) in 214 ms. (186 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 223 ms. (178 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (40 resets) in 131 ms. (303 steps per ms) remains 12/12 properties
[2026-06-10 14:11:13] [INFO ] Flatten gal took : 1090 ms
[2026-06-10 14:11:13] [INFO ] Flatten gal took : 376 ms
[2026-06-10 14:11:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3139377570375637755.gal : 183 ms
[2026-06-10 14:11:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12660204747131235815.prop : 1 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/ReachabilityCardinality3139377570375637755.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12660204747131235815.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/ReachabilityCardinality12660204747131235815.prop.
Interrupted probabilistic random walk after 76367 steps, run timeout after 3001 ms. (steps per millisecond=25 ) properties seen :0 out of 12
Probabilistic random walk after 76367 steps, saw 16938 distinct states, run finished after 3008 ms. (steps per millisecond=25 ) properties seen :0
[2026-06-10 14:11:16] [INFO ] Flow matrix only has 6929 transitions (discarded 325 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13156082612677961199.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7683684486456121000.kers'
[2026-06-10 14:11:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13156082612677961199.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7683684486456121000.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 3 ms.
// Phase 1: matrix 6929 rows 780 cols 19707 entries
Finished phase 1 with 754 SingleSign rule and 0 generalized
[2026-06-10 14:11:16] [INFO ] Computed 27 invariants in 21 ms
Computed 27 P flows in 23 ms.
Exported basis to /tmp/petrispot-output-7683684486456121000.kers
Total runtime 28 ms.
[2026-06-10 14:11:16] [INFO ] State equation strengthened by 702 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/68 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 294/362 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/362 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 5690/6052 variables, 362/379 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6052 variables, 102/481 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :6 after 18
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :18 after 40
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :40 after 153
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :153 after 2115
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :2115 after 59362
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :59362 after 5.75796e+06
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :5.75796e+06 after 4.16876e+09
Reachability property LastZero-PT-N26-ReachabilityFireability-2024-13 is true.
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property LastZero-PT-N26-ReachabilityFireability-2024-01 is true.
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :4.16876e+09 after 4.20377e+13
Reachability property LastZero-PT-N26-ReachabilityFireability-2024-10 is true.
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Reachability property LastZero-PT-N26-ReachabilityFireability-2024-06 is true.
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
At refinement iteration 5 (INCLUDED_ONLY) 0/6052 variables, 0/481 constraints. Problems are: Problem set: 3 solved, 9 unsolved
Problem LastZero-PT-N26-ReachabilityFireability-2024-00 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N26-ReachabilityFireability-2024-02 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N26-ReachabilityFireability-2024-04 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N26-ReachabilityFireability-2024-05 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N26-ReachabilityFireability-2024-08 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N26-ReachabilityFireability-2024-12 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N26-ReachabilityFireability-2024-14 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-14 FALSE TECHNIQUES SMT_REFINEMENT
Problem LastZero-PT-N26-ReachabilityFireability-2024-15 is UNSAT
FORMULA LastZero-PT-N26-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 6805/7710 variables, and 751 constraints, problems are : Problem set: 12 solved, 0 unsolved in 3238 ms.
Refiners :[Positive P Invariants (semi-flows): 17/27 constraints, State Equation: 632/781 constraints, ReadFeed: 102/702 constraints, PredecessorRefiner: 12/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3493ms problems are : Problem set: 12 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 9479 ms.

BK_STOP 1781100679587

--------------------
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="LastZero-PT-N26"
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 LastZero-PT-N26, 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 r354-tall-178024402800159"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LastZero-PT-N26.tgz
mv LastZero-PT-N26 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 ;