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-177955740400046.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-p3s1, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400046
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 548K
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 18:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K Mar 6 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 6 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 6 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:40 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 39K 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-p3s1-ReachabilityCardinality-2024-00
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-01
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-02
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-03
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-04
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-05
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-06
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-07
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-08
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-09
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-10
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-11
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-12
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-13
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-14
FORMULA_NAME DoubleLock-PT-p3s1-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779615887129

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-p3s1
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 09:44:49] [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 09:44:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 09:44:49] [INFO ] Load time of PNML (sax parser for PT used): 100 ms
[2026-05-24 09:44:49] [INFO ] Transformed 46 places.
[2026-05-24 09:44:49] [INFO ] Transformed 80 transitions.
[2026-05-24 09:44:49] [INFO ] Parsed PT model containing 46 places and 80 transitions and 324 arcs in 280 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 43 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 4 transitions.
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 09:44:50] [INFO ] Flatten gal took : 84 ms
RANDOM walk for 40001 steps (274 resets) in 2764 ms. (14 steps per ms) remains 8/13 properties
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 09:44:50] [INFO ] Flatten gal took : 32 ms
[2026-05-24 09:44:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality270011885398571545.gal : 24 ms
[2026-05-24 09:44:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16443952655002342454.prop : 4 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/ReachabilityCardinality270011885398571545.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16443952655002342454.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 ...328
Loading property file /tmp/ReachabilityCardinality16443952655002342454.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 13
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :13 after 118
BEST_FIRST walk for 40003 steps (46 resets) in 806 ms. (49 steps per ms) remains 7/8 properties
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :118 after 3713
BEST_FIRST walk for 40004 steps (70 resets) in 499 ms. (80 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (15 resets) in 950 ms. (42 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (92 resets) in 211 ms. (188 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 201 ms. (198 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (126 resets) in 160 ms. (248 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (63 resets) in 190 ms. (209 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (78 resets) in 234 ms. (170 steps per ms) remains 7/7 properties
[2026-05-24 09:44:51] [INFO ] Flow matrix only has 61 transitions (discarded 15 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18295355562606459980.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-139558526203631088.kers'
[2026-05-24 09:44:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18295355562606459980.kers, --Pflows, --basisKERS=/tmp/petrispot-output-139558526203631088.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 61 rows 39 cols 205 entries
Finished phase 1 with 36 SingleSign rule and 0 generalized
[2026-05-24 09:44:51] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-139558526203631088.kers
Total runtime 2 ms.
[2026-05-24 09:44:51] [INFO ] State equation strengthened by 12 read => feed constraints.
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :3713 after 170490
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Problem DoubleLock-PT-p3s1-ReachabilityCardinality-2024-03 is UNSAT
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p3s1-ReachabilityCardinality-2024-06 is UNSAT
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-06 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p3s1-ReachabilityCardinality-2024-08 is UNSAT
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p3s1-ReachabilityCardinality-2024-13 is UNSAT
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p3s1-ReachabilityCardinality-2024-14 is UNSAT
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-14 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 1/40 variables, 2/3 constraints. Problems are: Problem set: 5 solved, 2 unsolved
Problem DoubleLock-PT-p3s1-ReachabilityCardinality-2024-11 is UNSAT
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 1/4 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/40 variables, 0/4 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/101 variables, 40/44 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 12/56 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/101 variables, 0/56 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/101 variables, 0/56 constraints. Problems are: Problem set: 6 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 101/101 variables, and 56 constraints, problems are : Problem set: 6 solved, 1 unsolved in 430 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/38 variables, 3/3 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/38 variables, 1/4 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/38 variables, 0/4 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 61/99 variables, 38/42 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 12/54 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 0/54 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/101 variables, 2/56 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 1/57 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/101 variables, 0/57 constraints. Problems are: Problem set: 6 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/101 variables, 0/57 constraints. Problems are: Problem set: 6 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 101/101 variables, and 57 constraints, problems are : Problem set: 6 solved, 1 unsolved in 275 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 40/40 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 1/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 890ms problems are : Problem set: 6 solved, 1 unsolved
Parikh walk visited 0 properties in 2 ms.
Support contains 31 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 76/76 transitions.
Graph (complete) has 153 edges and 40 vertex of which 39 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 31 ms. Remains 39 /40 variables (removed 1) and now considering 76/76 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 39/40 places, 76/76 transitions.
RANDOM walk for 39730 steps (258 resets) in 133 ms. (296 steps per ms) remains 0/1 properties
FORMULA DoubleLock-PT-p3s1-ReachabilityCardinality-2024-04 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 3514 ms.

BK_STOP 1779615892866

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-p3s1"
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-p3s1, 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-177955740400046"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p3s1.tgz
mv DoubleLock-PT-p3s1 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 ;