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-177961074200527.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 GPUForwardProgress-PT-40a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074200527
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 432K
-rw-r--r-- 1 mcc users 6.1K Mar 7 12:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 7 12:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 12:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 7 12:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 12:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 7 12:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 7 12:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K Mar 7 12:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:40 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 62K 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-40a-ReachabilityFireability-2024-00
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-01
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-02
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-03
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-04
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-05
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-06
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-07
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-08
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-09
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-10
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-11
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-12
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-13
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-14
FORMULA_NAME GPUForwardProgress-PT-40a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779734135848

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-40a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 18:35:36] [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]
[2026-05-25 18:35:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 18:35:37] [INFO ] Load time of PNML (sax parser for PT used): 69 ms
[2026-05-25 18:35:37] [INFO ] Transformed 168 places.
[2026-05-25 18:35:37] [INFO ] Transformed 209 transitions.
[2026-05-25 18:35:37] [INFO ] Found NUPN structural information;
[2026-05-25 18:35:37] [INFO ] Parsed PT model containing 168 places and 209 transitions and 821 arcs in 154 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 42 transitions
Reduce redundant transitions removed 42 transitions.
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-25 18:35:37] [INFO ] Flatten gal took : 72 ms
[2026-05-25 18:35:37] [INFO ] Flatten gal took : 46 ms
[2026-05-25 18:35:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15743701017014561619.gal : 27 ms
[2026-05-25 18:35:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8797179380796851907.prop : 8 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/ReachabilityCardinality15743701017014561619.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8797179380796851907.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/ReachabilityCardinality8797179380796851907.prop.
Reachability property GPUForwardProgress-PT-40a-ReachabilityFireability-2024-15 is true.
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property GPUForwardProgress-PT-40a-ReachabilityFireability-2024-12 does not hold.
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 2
SDD size :42 after 44
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :44 after 47
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :47 after 52
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :52 after 61
Invariant property GPUForwardProgress-PT-40a-ReachabilityFireability-2024-10 does not hold.
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 16
SDD size :61 after 78
SDD proceeding with computation,11 properties remain. new max is 32
SDD size :78 after 83
RANDOM walk for 40000 steps (63 resets) in 2912 ms. (13 steps per ms) remains 9/14 properties
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (11 resets) in 357 ms. (111 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (9 resets) in 247 ms. (161 steps per ms) remains 6/9 properties
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Invariant property GPUForwardProgress-PT-40a-ReachabilityFireability-2024-05 does not hold.
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :2705 after 3525
BEST_FIRST walk for 40004 steps (8 resets) in 459 ms. (86 steps per ms) remains 5/6 properties
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 433 ms. (92 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 361 ms. (110 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 224 ms. (177 steps per ms) remains 5/5 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4994611495118963119.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6851344170067332569.kers'
[2026-05-25 18:35:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4994611495118963119.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6851344170067332569.kers]
Normalized transition count is 166 out of 167 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 166 rows 167 cols 653 entries
Finished phase 1 with 125 SingleSign rule and 1 generalized
[2026-05-25 18:35:38] [INFO ] Computed 42 invariants in 1 ms
Computed 42 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6851344170067332569.kers
Total runtime 2 ms.
[2026-05-25 18:35:38] [INFO ] State equation strengthened by 41 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Invariant property GPUForwardProgress-PT-40a-ReachabilityFireability-2024-09 does not hold.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 42/168 variables, 41/168 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/168 variables, 42/210 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/168 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 166/334 variables, 168/378 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Invariant property GPUForwardProgress-PT-40a-ReachabilityFireability-2024-08 does not hold.
At refinement iteration 7 (INCLUDED_ONLY) 0/334 variables, 40/418 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/334 variables, 0/418 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1/335 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/335 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 0/335 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 335/335 variables, and 419 constraints, problems are : Problem set: 0 solved, 5 unsolved in 681 ms.
Refiners :[Domain max(s): 168/168 constraints, Generalized P Invariants (flows): 42/42 constraints, State Equation: 168/168 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 126/126 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/126 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/126 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 42/168 variables, 41/168 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/168 variables, 42/210 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/168 variables, 0/210 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem GPUForwardProgress-PT-40a-ReachabilityFireability-2024-06 is UNSAT
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 6 (OVERLAPS) 166/334 variables, 168/378 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/334 variables, 40/418 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/334 variables, 0/418 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1/335 variables, 1/419 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/335 variables, 0/419 constraints. Problems are: Problem set: 1 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/335 variables, 0/419 constraints. Problems are: Problem set: 1 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 335/335 variables, and 419 constraints, problems are : Problem set: 1 solved, 4 unsolved in 1237 ms.
Refiners :[Domain max(s): 168/168 constraints, Generalized P Invariants (flows): 42/42 constraints, State Equation: 168/168 constraints, ReadFeed: 41/41 constraints, PredecessorRefiner: 5/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2024ms problems are : Problem set: 1 solved, 4 unsolved
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-00 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 181 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=90 )
FORMULA GPUForwardProgress-PT-40a-ReachabilityFireability-2024-04 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 135 ms.
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 3920 ms.

BK_STOP 1779734140938

--------------------
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="GPUForwardProgress-PT-40a"
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 GPUForwardProgress-PT-40a, 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 r146-tall-177961074200527"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-40a.tgz
mv GPUForwardProgress-PT-40a 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 ;