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-177961080100333.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-40b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080100333
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 6.5K Mar 7 11:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 11:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 7 11:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 11:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 10:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K 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 20K Mar 15 10:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 11:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 7 11:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Mar 7 11:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 11:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K 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 199K 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 1779702764982

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPUForwardProgress-PT-40b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 09:52:46] [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 09:52:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:52:46] [INFO ] Load time of PNML (sax parser for PT used): 99 ms
[2026-05-25 09:52:46] [INFO ] Transformed 796 places.
[2026-05-25 09:52:46] [INFO ] Transformed 837 transitions.
[2026-05-25 09:52:46] [INFO ] Found NUPN structural information;
[2026-05-25 09:52:46] [INFO ] Parsed PT model containing 796 places and 837 transitions and 2077 arcs in 195 ms.
Graph (trivial) has 714 edges and 796 vertex of which 7 / 796 are part of one of the 1 SCC in 5 ms
Free SCC test removed 6 places
Structural test allowed to assert that 377 places are NOT stable. Took 24 ms.
Ensure Unique test removed 7 transitions
Reduce redundant transitions removed 7 transitions.
[2026-05-25 09:52:47] [INFO ] Flatten gal took : 185 ms
[2026-05-25 09:52:47] [INFO ] Flatten gal took : 59 ms
[2026-05-25 09:52:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9550141571222682253.gal : 54 ms
[2026-05-25 09:52:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2773959408027051740.prop : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9550141571222682253.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2773959408027051740.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/ReachabilityCardinality2773959408027051740.prop.
RANDOM walk for 40000 steps (119 resets) in 3248 ms. (12 steps per ms) remains 363/419 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 15 ms. (25 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 33 ms. (11 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 26 ms. (14 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 19 ms. (20 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 17 ms. (22 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 17 ms. (22 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 400 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 18 ms. (21 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 401 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 363/363 properties
BEST_FIRST walk for 401 steps (8 resets) in 5 ms. (66 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 363/363 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 363/363 properties
// Phase 1: matrix 830 rows 790 cols
[2026-05-25 09:52:47] [INFO ] Computed 42 invariants in 23 ms
[2026-05-25 09:52:47] [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,419 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,419 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,419 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,419 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,419 properties remain. new max is 64
SDD size :36 after 73
SDD proceeding with computation,419 properties remain. new max is 128
SDD size :73 after 4207
SDD proceeding with computation,419 properties remain. new max is 256
SDD size :4207 after 1.09292e+09
SDD proceeding with computation,419 properties remain. new max is 512
SDD size :1.09292e+09 after 9.38808e+18
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/363 variables, 363/363 constraints. Problems are: Problem set: 0 solved, 363 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 363/1620 variables, and 363 constraints, problems are : Problem set: 0 solved, 363 unsolved in 5044 ms.
Refiners :[Domain max(s): 363/790 constraints, Generalized P Invariants (flows): 0/42 constraints, State Equation: 0/790 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 363/363 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 363 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/363 variables, 363/363 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/363 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 2 (OVERLAPS) 425/788 variables, 41/404 constraints. Problems are: Problem set: 0 solved, 363 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/788 variables, 425/829 constraints. Problems are: Problem set: 0 solved, 363 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 788/1620 variables, and 829 constraints, problems are : Problem set: 0 solved, 363 unsolved in 5014 ms.
Refiners :[Domain max(s): 788/790 constraints, Generalized P Invariants (flows): 41/42 constraints, State Equation: 0/790 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/363 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10200ms problems are : Problem set: 0 solved, 363 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 363 out of 790 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 790/790 places, 830/830 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 236 transitions
Trivial Post-agglo rules discarded 236 transitions
Performed 236 trivial Post agglomeration. Transition count delta: 236
Iterating post reduction 0 with 238 rules applied. Total rules applied 238 place count 789 transition count 593
Reduce places removed 236 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 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 240 rules applied. Total rules applied 478 place count 553 transition count 589
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 479 place count 552 transition count 589
Performed 44 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 44 Pre rules applied. Total rules applied 479 place count 552 transition count 545
Deduced a syphon composed of 44 places in 3 ms
Reduce places removed 44 places and 0 transitions.
Iterating global reduction 3 with 88 rules applied. Total rules applied 567 place count 508 transition count 545
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 570 place count 505 transition count 542
Iterating global reduction 3 with 3 rules applied. Total rules applied 573 place count 505 transition count 542
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 573 place count 505 transition count 541
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 575 place count 504 transition count 541
Performed 83 Post agglomeration using F-continuation condition.Transition count delta: 83
Deduced a syphon composed of 83 places in 0 ms
Reduce places removed 83 places and 0 transitions.
Iterating global reduction 3 with 166 rules applied. Total rules applied 741 place count 421 transition count 458
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 743 place count 421 transition count 456
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 745 place count 420 transition count 456
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 748 place count 420 transition count 453
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 751 place count 417 transition count 453
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 754 place count 417 transition count 453
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 755 place count 417 transition count 452
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 756 place count 417 transition count 452
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 757 place count 416 transition count 451
Applied a total of 757 rules in 249 ms. Remains 416 /790 variables (removed 374) and now considering 451/830 (removed 379) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 257 ms. Remains : 416/790 places, 451/830 transitions.
RANDOM walk for 15434 steps (26 resets) in 399 ms. (38 steps per ms) remains 0/363 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 421 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 12153 ms.

BK_STOP 1779702778490

--------------------
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-40b"
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-40b, 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-177961080100333"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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