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.r146-tall-177961074200510.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 GPUForwardProgress-PT-36a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074200510
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 6.9K Mar 7 11:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 7 11:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 11:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Mar 7 11:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 7 11:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 175K Mar 7 11:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 7 11:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Mar 7 11:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:39 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:39 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 56K 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 GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-00
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-01
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-02
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-03
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-04
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-05
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-06
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-07
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-08
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-09
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-10
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-11
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-12
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-13
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-14
FORMULA_NAME GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779733135874

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-36a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-25 18:18:57] [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]
[2026-05-25 18:18:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 18:18:57] [INFO ] Load time of PNML (sax parser for PT used): 65 ms
[2026-05-25 18:18:57] [INFO ] Transformed 152 places.
[2026-05-25 18:18:57] [INFO ] Transformed 189 transitions.
[2026-05-25 18:18:57] [INFO ] Found NUPN structural information;
[2026-05-25 18:18:57] [INFO ] Parsed PT model containing 152 places and 189 transitions and 741 arcs in 155 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 21 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 38 transitions
Reduce redundant transitions removed 38 transitions.
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-25 18:18:57] [INFO ] Flatten gal took : 102 ms
[2026-05-25 18:18:57] [INFO ] Flatten gal took : 67 ms
[2026-05-25 18:18:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4087508920634471232.gal : 37 ms
[2026-05-25 18:18:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9787044336969230709.prop : 3 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/ReachabilityCardinality4087508920634471232.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9787044336969230709.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/ReachabilityCardinality9787044336969230709.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :38 after 40
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :40 after 45
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :45 after 54
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :54 after 71
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :71 after 75
Invariant property GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-14 does not hold.
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
RANDOM walk for 40000 steps (70 resets) in 2689 ms. (14 steps per ms) remains 4/10 properties
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Invariant property GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-08 does not hold.
Invariant property GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-07 does not hold.
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :2219 after 2885
BEST_FIRST walk for 40004 steps (9 resets) in 396 ms. (100 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (14 resets) in 342 ms. (116 steps per ms) remains 2/4 properties
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Invariant property GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-13 does not hold.
BEST_FIRST walk for 40004 steps (19 resets) in 512 ms. (77 steps per ms) remains 1/2 properties
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12141749185219242033.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18342537586540843707.kers'
[2026-05-25 18:18:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12141749185219242033.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18342537586540843707.kers]
Normalized transition count is 150 out of 151 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 150 rows 151 cols 589 entries
Reachability property GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-12 is true.
Finished phase 1 with 113 SingleSign rule and 1 generalized
[2026-05-25 18:18:58] [INFO ] Computed 38 invariants in 2 ms
Computed 38 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-18342537586540843707.kers
Total runtime 4 ms.
[2026-05-25 18:18:58] [INFO ] State equation strengthened by 37 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Invariant property GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-10 does not hold.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :64241 after 74566
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 115/151 variables, 37/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 115/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/152 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/152 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 150/302 variables, 152/342 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/302 variables, 36/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/302 variables, 0/378 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :74566 after 75197
At refinement iteration 11 (OVERLAPS) 1/303 variables, 1/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/303 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/303 variables, 0/379 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 303/303 variables, and 379 constraints, problems are : Problem set: 0 solved, 1 unsolved in 933 ms.
Refiners :[Domain max(s): 152/152 constraints, Generalized P Invariants (flows): 38/38 constraints, State Equation: 152/152 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 115/151 variables, 37/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 115/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/152 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/152 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-00 is UNSAT
FORMULA GPUForwardProgress-PT-36a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 302/303 variables, and 342 constraints, problems are : Problem set: 1 solved, 0 unsolved in 376 ms.
Refiners :[Domain max(s): 152/152 constraints, Generalized P Invariants (flows): 38/38 constraints, State Equation: 152/152 constraints, ReadFeed: 0/37 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1470ms problems are : Problem set: 1 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 2933 ms.

BK_STOP 1779733140116

--------------------
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="GPUForwardProgress-PT-36a"
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 GPUForwardProgress-PT-36a, 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 r146-tall-177961074200510"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-36a.tgz
mv GPUForwardProgress-PT-36a 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 ;