Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r112-smll-174867016400323.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool gold2024
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 r112-smll-174867016400323
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 179K May 29 14:32 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 1748770677975

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPUForwardProgress-PT-36b
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-06-01 09:38:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -timeout, 180, -rebuildPNML]
[2025-06-01 09:38:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 09:38:01] [INFO ] Load time of PNML (sax parser for PT used): 452 ms
[2025-06-01 09:38:01] [INFO ] Transformed 720 places.
[2025-06-01 09:38:01] [INFO ] Transformed 757 transitions.
[2025-06-01 09:38:01] [INFO ] Found NUPN structural information;
[2025-06-01 09:38:01] [INFO ] Parsed PT model containing 720 places and 757 transitions and 1877 arcs in 717 ms.
Graph (trivial) has 646 edges and 720 vertex of which 7 / 720 are part of one of the 1 SCC in 12 ms
Free SCC test removed 6 places
Structural test allowed to assert that 341 places are NOT stable. Took 57 ms.
Ensure Unique test removed 7 transitions
Reduce redundant transitions removed 7 transitions.
RANDOM walk for 40000 steps (132 resets) in 4115 ms. (9 steps per ms) remains 308/379 properties
BEST_FIRST walk for 403 steps (8 resets) in 22 ms. (17 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 24 ms. (16 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 29 ms. (13 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 18 ms. (21 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 308/308 properties
BEST_FIRST walk for 401 steps (8 resets) in 16 ms. (23 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 12 ms. (30 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 308/308 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 11 ms. (33 steps per ms) remains 308/308 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 308/308 properties
// Phase 1: matrix 750 rows 714 cols
[2025-06-01 09:38:03] [INFO ] Computed 38 invariants in 37 ms
[2025-06-01 09:38:03] [INFO ] State equation strengthened by 1 read => feed constraints.
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 308/308 constraints. Problems are: Problem set: 0 solved, 308 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 308/1464 variables, and 308 constraints, problems are : Problem set: 0 solved, 308 unsolved in 5129 ms.
Refiners :[Domain max(s): 308/714 constraints, Generalized P Invariants (flows): 0/38 constraints, State Equation: 0/714 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 308/308 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 308 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 308/308 constraints. Problems are: Problem set: 0 solved, 308 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 308 unsolved
At refinement iteration 2 (OVERLAPS) 404/712 variables, 37/345 constraints. Problems are: Problem set: 0 solved, 308 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/712 variables, 404/749 constraints. Problems are: Problem set: 0 solved, 308 unsolved
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(s672 timeout
0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 712/1464 variables, and 749 constraints, problems are : Problem set: 0 solved, 308 unsolved in 5026 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: 0/308 constraints, Known Traps: 0/0 constraints]
After SMT, in 10429ms problems are : Problem set: 0 solved, 308 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 308 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 227 transitions
Trivial Post-agglo rules discarded 227 transitions
Performed 227 trivial Post agglomeration. Transition count delta: 227
Iterating post reduction 0 with 229 rules applied. Total rules applied 229 place count 713 transition count 522
Reduce places removed 227 places and 0 transitions.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 233 rules applied. Total rules applied 462 place count 486 transition count 516
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 463 place count 485 transition count 516
Performed 42 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 42 Pre rules applied. Total rules applied 463 place count 485 transition count 474
Deduced a syphon composed of 42 places in 2 ms
Reduce places removed 42 places and 0 transitions.
Iterating global reduction 3 with 84 rules applied. Total rules applied 547 place count 443 transition count 474
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 550 place count 440 transition count 471
Iterating global reduction 3 with 3 rules applied. Total rules applied 553 place count 440 transition count 471
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 553 place count 440 transition count 470
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 555 place count 439 transition count 470
Performed 77 Post agglomeration using F-continuation condition.Transition count delta: 77
Deduced a syphon composed of 77 places in 1 ms
Reduce places removed 77 places and 0 transitions.
Iterating global reduction 3 with 154 rules applied. Total rules applied 709 place count 362 transition count 393
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 713 place count 362 transition count 389
Free-agglomeration rule applied 3 times.
Iterating global reduction 4 with 3 rules applied. Total rules applied 716 place count 362 transition count 386
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 4 with 3 rules applied. Total rules applied 719 place count 359 transition count 386
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 721 place count 359 transition count 386
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 722 place count 359 transition count 386
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 723 place count 358 transition count 385
Applied a total of 723 rules in 338 ms. Remains 358 /714 variables (removed 356) and now considering 385/750 (removed 365) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 356 ms. Remains : 358/714 places, 385/750 transitions.
RANDOM walk for 10312 steps (20 resets) in 498 ms. (20 steps per ms) remains 0/308 properties
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 13636 ms.
ITS solved all properties within timeout

BK_STOP 1748770694316

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination StableMarking -timeout 180 -rebuildPNML

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="gold2024"
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 2-5832"
echo " Executing tool gold2024"
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 r112-smll-174867016400323"
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 ;