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.r042-smll-174853822900142.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 CANConstruction-PT-080, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r042-smll-174853822900142
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 10M
-rw-r--r-- 1 mcc users 11K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 149K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K 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 9.5M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1748548443528

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANConstruction-PT-080
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-29 19:54:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-29 19:54:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 19:54:08] [INFO ] Load time of PNML (sax parser for PT used): 1359 ms
[2025-05-29 19:54:08] [INFO ] Transformed 13762 places.
[2025-05-29 19:54:08] [INFO ] Transformed 26240 transitions.
[2025-05-29 19:54:08] [INFO ] Parsed PT model containing 13762 places and 26240 transitions and 78400 arcs in 1969 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 13762/13762 places, 26240/26240 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 560 transitions
Trivial Post-agglo rules discarded 560 transitions
Performed 560 trivial Post agglomeration. Transition count delta: 560
Iterating post reduction 0 with 560 rules applied. Total rules applied 560 place count 13762 transition count 25680
Reduce places removed 560 places and 0 transitions.
Iterating post reduction 1 with 560 rules applied. Total rules applied 1120 place count 13202 transition count 25680
Performed 6400 Post agglomeration using F-continuation condition.Transition count delta: 6400
Deduced a syphon composed of 6400 places in 54 ms
Reduce places removed 6400 places and 0 transitions.
Iterating global reduction 2 with 12800 rules applied. Total rules applied 13920 place count 6802 transition count 19280
Applied a total of 13920 rules in 5944 ms. Remains 6802 /13762 variables (removed 6960) and now considering 19280/26240 (removed 6960) transitions.
// Phase 1: matrix 19280 rows 6802 cols
[2025-05-29 19:54:14] [INFO ] Computed 161 invariants in 390 ms
[2025-05-29 19:54:29] [INFO ] Implicit Places using invariants in 14560 ms returned [5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 143, 149, 155, 161, 167, 173, 179, 185, 191, 197, 203, 209, 215, 221, 227, 233, 239, 245, 251, 257, 263, 269, 275, 281, 287, 293, 299, 305, 311, 317, 323, 329, 335, 341, 347, 353, 359, 365, 371, 377, 383, 389, 395, 401, 407, 413, 419, 425, 431, 437, 443, 449, 455, 461, 467, 473, 479]
Discarding 80 places :
Implicit Place search using SMT only with invariants took 14647 ms to find 80 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 6722/13762 places, 19280/26240 transitions.
Performed 160 Post agglomeration using F-continuation condition.Transition count delta: 160
Deduced a syphon composed of 160 places in 30 ms
Reduce places removed 160 places and 0 transitions.
Iterating global reduction 0 with 320 rules applied. Total rules applied 320 place count 6562 transition count 19120
Applied a total of 320 rules in 911 ms. Remains 6562 /6722 variables (removed 160) and now considering 19120/19280 (removed 160) transitions.
// Phase 1: matrix 19120 rows 6562 cols
[2025-05-29 19:54:31] [INFO ] Computed 81 invariants in 1578 ms
[2025-05-29 19:54:43] [INFO ] Implicit Places using invariants in 13237 ms returned []
Implicit Place search using SMT only with invariants took 13248 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 6562/13762 places, 19120/26240 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 34808 ms. Remains : 6562/13762 places, 19120/26240 transitions.
Discarding 6320 transitions out of 19120. Remains 12800
Initial state reduction rules removed 80 formulas.
RANDOM walk for 40000 steps (98 resets) in 6784 ms. (5 steps per ms) remains 2026/12720 properties
BEST_FIRST walk for 124 steps (0 resets) in 25 ms. (4 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 18 ms. (6 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 16 ms. (7 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 14 ms. (8 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 12 ms. (9 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 10 ms. (11 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 13 ms. (8 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 15 ms. (7 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 11 ms. (10 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 9 ms. (12 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 7 ms. (15 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 5 ms. (20 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 6 ms. (17 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2026/2026 properties
BEST_FIRST walk for 124 steps (0 resets) in 8 ms. (13 steps per ms) remains 2026/2026 properties
[2025-05-29 19:54:46] [INFO ] Invariant cache hit.
[2025-05-29 19:54:47] [INFO ] State equation strengthened by 19040 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 2064/25682 variables, and 0 constraints, problems are : Problem set: 0 solved, 2026 unsolved in 5116 ms.
Refiners :[Positive P Invariants (semi-flows): 0/81 constraints, State Equation: 0/6562 constraints, ReadFeed: 0/19040 constraints, PredecessorRefiner: 2026/2026 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2026 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2064/25682 variables, and 0 constraints, problems are : Problem set: 0 solved, 2026 unsolved in 5053 ms.
Refiners :[Positive P Invariants (semi-flows): 0/81 constraints, State Equation: 0/6562 constraints, ReadFeed: 0/19040 constraints, PredecessorRefiner: 0/2026 constraints, Known Traps: 0/0 constraints]
After SMT, in 18813ms problems are : Problem set: 0 solved, 2026 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 2064 out of 6562 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6562/6562 places, 19120/19120 transitions.
Applied a total of 0 rules in 77721 ms. Remains 6562 /6562 variables (removed 0) and now considering 19120/19120 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 77727 ms. Remains : 6562/6562 places, 19120/19120 transitions.
RANDOM walk for 502946 steps (1265 resets) in 53394 ms. (9 steps per ms) remains 0/2026 properties
Able to resolve query QuasiLiveness after proving 12800 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 151682 ms.
ITS solved all properties within timeout

BK_STOP 1748548598120

--------------------
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 QuasiLiveness -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="CANConstruction-PT-080"
export BK_EXAMINATION="QuasiLiveness"
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 CANConstruction-PT-080, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r042-smll-174853822900142"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-080.tgz
mv CANConstruction-PT-080 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;