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.r114-smll-177955740300030.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 DoubleLock-PT-p2s1, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740300030
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 6 18:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 18:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 6 18:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 104K Mar 6 18:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 97K 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 DoubleLock-PT-p2s1-ReachabilityCardinality-2024-00
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-01
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-02
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-03
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-04
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-05
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-06
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-07
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-08
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-09
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-10
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-11
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-12
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-13
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-14
FORMULA_NAME DoubleLock-PT-p2s1-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779597737994

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p2s1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 04:42:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 04:42:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 04:42:20] [INFO ] Load time of PNML (sax parser for PT used): 177 ms
[2026-05-24 04:42:20] [INFO ] Transformed 64 places.
[2026-05-24 04:42:20] [INFO ] Transformed 212 transitions.
[2026-05-24 04:42:20] [INFO ] Parsed PT model containing 64 places and 212 transitions and 860 arcs in 388 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 36 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 8 places in 3 ms
Reduce places removed 8 places and 8 transitions.
[2026-05-24 04:42:21] [INFO ] Flatten gal took : 104 ms
[2026-05-24 04:42:21] [INFO ] Flatten gal took : 48 ms
[2026-05-24 04:42:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality341132980188536514.gal : 26 ms
[2026-05-24 04:42:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10357890488489963078.prop : 5 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/ReachabilityCardinality341132980188536514.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10357890488489963078.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (198 resets) in 2868 ms. (13 steps per ms) remains 6/16 properties
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK

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 ...328
Loading property file /tmp/ReachabilityCardinality10357890488489963078.prop.
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :9 after 30
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :30 after 64
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :64 after 6711
BEST_FIRST walk for 40004 steps (53 resets) in 575 ms. (69 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 530 ms. (75 steps per ms) remains 6/6 properties
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :6711 after 118214
BEST_FIRST walk for 40004 steps (43 resets) in 372 ms. (107 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (23 resets) in 435 ms. (91 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (32 resets) in 643 ms. (62 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (34 resets) in 347 ms. (114 steps per ms) remains 6/6 properties
[2026-05-24 04:42:22] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8934612253032655629.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5284399166567108785.kers'
[2026-05-24 04:42:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8934612253032655629.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5284399166567108785.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 152 rows 55 cols 550 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-24 04:42:22] [INFO ] Computed 4 invariants in 1 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5284399166567108785.kers
Total runtime 3 ms.
[2026-05-24 04:42:23] [INFO ] State equation strengthened by 27 read => feed constraints.
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :118214 after 435049
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :435049 after 1.0659e+06
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/34 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem DoubleLock-PT-p2s1-ReachabilityCardinality-2024-00 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-00 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityCardinality-2024-03 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityCardinality-2024-10 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-10 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityCardinality-2024-12 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-12 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p2s1-ReachabilityCardinality-2024-15 is UNSAT
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 13/47 variables, 3/4 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/4 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 151/198 variables, 47/51 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/198 variables, 27/78 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/198 variables, 0/78 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/208 variables, 9/87 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/208 variables, 0/87 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/208 variables, 0/87 constraints. Problems are: Problem set: 5 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 87 constraints, problems are : Problem set: 5 solved, 1 unsolved in 581 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 1 unsolved
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :1.0659e+06 after 2.32238e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 29/41 variables, 3/3 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/41 variables, 0/3 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/42 variables, 1/4 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 0/4 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/189 variables, 42/46 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/189 variables, 23/69 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/189 variables, 0/69 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 19/208 variables, 14/83 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/208 variables, 4/87 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/208 variables, 1/88 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/208 variables, 0/88 constraints. Problems are: Problem set: 5 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/208 variables, 0/88 constraints. Problems are: Problem set: 5 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 88 constraints, problems are : Problem set: 5 solved, 1 unsolved in 527 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1341ms problems are : Problem set: 5 solved, 1 unsolved
Parikh walk visited 0 properties in 3 ms.
Support contains 12 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 204/204 transitions.
Graph (complete) has 357 edges and 56 vertex of which 54 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 36 ms. Remains 54 /56 variables (removed 2) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 54/56 places, 204/204 transitions.
RANDOM walk for 40005 steps (205 resets) in 250 ms. (159 steps per ms) remains 1/1 properties
BEST_FIRST walk for 38869 steps (8 resets) in 115 ms. (335 steps per ms) remains 0/1 properties
FORMULA DoubleLock-PT-p2s1-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_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 4035 ms.

BK_STOP 1779597744536

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="DoubleLock-PT-p2s1"
export BK_EXAMINATION="ReachabilityCardinality"
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 DoubleLock-PT-p2s1, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-smll-177955740300030"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p2s1.tgz
mv DoubleLock-PT-p2s1 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;