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.r160-tall-177961080000323.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 gold2025
Input is GPUForwardProgress-PT-36b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080000323
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 7.6K Mar 7 11:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 7 11:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 7 11:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 11:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:39 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:39 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:39 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:39 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 11:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 7 11:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 7 11:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 7 11:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K 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 179K 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779702738224

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPUForwardProgress-PT-36b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 09:52:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-25 09:52:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:52:19] [INFO ] Load time of PNML (sax parser for PT used): 100 ms
[2026-05-25 09:52:19] [INFO ] Transformed 720 places.
[2026-05-25 09:52:19] [INFO ] Transformed 757 transitions.
[2026-05-25 09:52:19] [INFO ] Found NUPN structural information;
[2026-05-25 09:52:19] [INFO ] Parsed PT model containing 720 places and 757 transitions and 1877 arcs in 202 ms.
Graph (trivial) has 646 edges and 720 vertex of which 7 / 720 are part of one of the 1 SCC in 6 ms
Free SCC test removed 6 places
Structural test allowed to assert that 341 places are NOT stable. Took 25 ms.
Ensure Unique test removed 7 transitions
Reduce redundant transitions removed 7 transitions.
[2026-05-25 09:52:20] [INFO ] Flatten gal took : 177 ms
[2026-05-25 09:52:20] [INFO ] Flatten gal took : 130 ms
[2026-05-25 09:52:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9104076402990691040.gal : 52 ms
[2026-05-25 09:52:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9146888939268582370.prop : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9104076402990691040.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9146888939268582370.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9146888939268582370.prop.
RANDOM walk for 40000 steps (132 resets) in 3166 ms. (12 steps per ms) remains 319/379 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 16 ms. (23 steps per ms) remains 319/319 properties
BEST_FIRST walk for 401 steps (8 resets) in 9 ms. (40 steps per ms) remains 319/319 properties
BEST_FIRST walk for 402 steps (8 resets) in 26 ms. (14 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 24 ms. (16 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 401 steps (8 resets) in 9 ms. (40 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 319/319 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 319/319 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 319/319 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 319/319 properties
// Phase 1: matrix 750 rows 714 cols
[2026-05-25 09:52:20] [INFO ] Computed 38 invariants in 19 ms
[2026-05-25 09:52:20] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,379 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,379 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,379 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,379 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,379 properties remain. new max is 64
SDD size :36 after 101
SDD proceeding with computation,379 properties remain. new max is 128
SDD size :101 after 33386
SDD proceeding with computation,379 properties remain. new max is 256
SDD size :33386 after 8.74333e+09
SDD proceeding with computation,379 properties remain. new max is 512
SDD size :8.74333e+09 after 7.51046e+19
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/319 variables, 319/319 constraints. Problems are: Problem set: 0 solved, 319 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 319/1464 variables, and 319 constraints, problems are : Problem set: 0 solved, 319 unsolved in 5091 ms.
Refiners :[Domain max(s): 319/714 constraints, Generalized P Invariants (flows): 0/38 constraints, State Equation: 0/714 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 319/319 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 319 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/319 variables, 319/319 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/319 variables, 0/319 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 2 (OVERLAPS) 393/712 variables, 37/356 constraints. Problems are: Problem set: 0 solved, 319 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/712 variables, 393/749 constraints. Problems are: Problem set: 0 solved, 319 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 712/1464 variables, and 749 constraints, problems are : Problem set: 0 solved, 319 unsolved in 5020 ms.
Refiners :[Domain max(s): 712/714 constraints, Generalized P Invariants (flows): 37/38 constraints, State Equation: 0/714 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/319 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10245ms problems are : Problem set: 0 solved, 319 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 319 out of 714 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 714/714 places, 750/750 transitions.
Ensure Unique test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 220 transitions
Trivial Post-agglo rules discarded 220 transitions
Performed 220 trivial Post agglomeration. Transition count delta: 220
Iterating post reduction 0 with 222 rules applied. Total rules applied 222 place count 713 transition count 529
Reduce places removed 220 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 225 rules applied. Total rules applied 447 place count 493 transition count 524
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 448 place count 492 transition count 524
Performed 41 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 41 Pre rules applied. Total rules applied 448 place count 492 transition count 483
Deduced a syphon composed of 41 places in 1 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 3 with 82 rules applied. Total rules applied 530 place count 451 transition count 483
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 533 place count 448 transition count 480
Iterating global reduction 3 with 3 rules applied. Total rules applied 536 place count 448 transition count 480
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 536 place count 448 transition count 479
Deduced a syphon composed of 1 places in 7 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 538 place count 447 transition count 479
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 3 with 150 rules applied. Total rules applied 688 place count 372 transition count 404
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 690 place count 372 transition count 402
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 693 place count 372 transition count 399
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 696 place count 369 transition count 399
Partial Free-agglomeration rule applied 3 times.
Drop transitions (Partial Free agglomeration) removed 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 699 place count 369 transition count 399
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 700 place count 369 transition count 398
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 701 place count 369 transition count 398
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 702 place count 368 transition count 397
Applied a total of 702 rules in 173 ms. Remains 368 /714 variables (removed 346) and now considering 397/750 (removed 353) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 179 ms. Remains : 368/714 places, 397/750 transitions.
RANDOM walk for 12414 steps (24 resets) in 430 ms. (28 steps per ms) remains 0/319 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 381 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 12060 ms.

BK_STOP 1779702751616

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-36b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 gold2025"
echo " Input is GPUForwardProgress-PT-36b, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r160-tall-177961080000323"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-36b.tgz
mv GPUForwardProgress-PT-36b execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;