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.r088-smll-177946995100041.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 DatabaseWithMutex-PT-20, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995100041
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 18M
-rw-r--r-- 1 mcc users 436K Mar 5 14:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1.9M Mar 5 14:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 550K Mar 5 14:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 2.6M Mar 5 14:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 274K Mar 15 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 873K Mar 15 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 177K Mar 15 08:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 657K Mar 15 08:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 449K Mar 5 14:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.9M Mar 5 14:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 828K Mar 5 14:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 4.0M Mar 5 14:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 32K Mar 15 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 76K Mar 15 08:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 2.7M 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779485527327

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DatabaseWithMutex-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202604301425
[2026-05-22 21:32:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 21:32:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:32:10] [INFO ] Load time of PNML (sax parser for PT used): 692 ms
[2026-05-22 21:32:10] [INFO ] Transformed 3260 places.
[2026-05-22 21:32:10] [INFO ] Transformed 3200 transitions.
[2026-05-22 21:32:10] [INFO ] Found NUPN structural information;
[2026-05-22 21:32:10] [INFO ] Parsed PT model containing 3260 places and 3200 transitions and 23200 arcs in 953 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 4 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 11 ms.19767KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 3260/3260 places, 3200/3200 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 800 transitions
Trivial Post-agglo rules discarded 800 transitions
Performed 800 trivial Post agglomeration. Transition count delta: 800
Iterating post reduction 0 with 800 rules applied. Total rules applied 800 place count 3260 transition count 2400
Reduce places removed 820 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 800 transitions
Trivial Post-agglo rules discarded 800 transitions
Performed 800 trivial Post agglomeration. Transition count delta: 800
Iterating post reduction 1 with 1620 rules applied. Total rules applied 2420 place count 2440 transition count 1600
Reduce places removed 800 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 2 with 800 rules applied. Total rules applied 3220 place count 1640 transition count 1600
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 400 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 400 Pre rules applied. Total rules applied 3220 place count 1640 transition count 1200
Renaming transitions due to excessive name length > 1024 char.
Deduced a syphon composed of 400 places in 2 ms
Reduce places removed 400 places and 0 transitions.
Iterating global reduction 3 with 800 rules applied. Total rules applied 4020 place count 1240 transition count 1200
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 4020 rules in 1213 ms. Remains 1240 /3260 variables (removed 2020) and now considering 1200/3200 (removed 2000) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1233 ms. Remains : 1240/3260 places, 1200/3200 transitions.
Interrupted Random walk after 651413 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=21 )
Interrupted Random directed walk after 1042353 steps, including 0 resets, run timeout after 30002 ms. (steps per millisecond=34 )
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2348424789722808457.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13692106766094067819.kers'
[2026-05-22 21:33:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2348424789722808457.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13692106766094067819.kers]
Culled 0 columns in 6 ms.
// Phase 1: matrix 1200 rows 1240 cols 18400 entries
Finished phase 1 with 400 SingleSign rule and 400 generalized
[2026-05-22 21:33:12] [INFO ] Computed 440 invariants in 52 ms
Computed 440 P flows in 54 ms.
Exported basis to /tmp/petrispot-output-13692106766094067819.kers
Total runtime 58 ms.
[2026-05-22 21:33:14] [INFO ] [Real]Absence check using 42 positive place invariants in 160 ms returned sat
[2026-05-22 21:35:37] [INFO ] [Real]Absence check using 42 positive and 398 generalized place invariants in 143042 ms returned sat
[2026-05-22 21:38:12] [INFO ] [Real]Absence check using state equation in 155487 ms returned unknown
Random directed walk for 500015 steps, including 0 resets, run took 15003 ms (no deadlock found). (steps per millisecond=33 )
Random walk for 500000 steps, including 0 resets, run took 21541 ms (no deadlock found). (steps per millisecond=23 )
Random directed walk for 500027 steps, including 0 resets, run took 14000 ms (no deadlock found). (steps per millisecond=35 )
Random walk for 500000 steps, including 0 resets, run took 20975 ms (no deadlock found). (steps per millisecond=23 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 1240/1240 places, 1200/1200 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 136 ms. Remains 1240 /1240 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
[2026-05-22 21:39:24] [INFO ] Invariant cache hit.
[2026-05-22 21:39:55] [INFO ] Performed 85/1240 implicitness test of which 55 returned IMPLICIT in 30 seconds.
[2026-05-22 21:40:25] [INFO ] Performed 153/1240 implicitness test of which 96 returned IMPLICIT in 60 seconds.
[2026-05-22 21:40:55] [INFO ] Performed 229/1240 implicitness test of which 151 returned IMPLICIT in 90 seconds.
[2026-05-22 21:41:25] [INFO ] Performed 314/1240 implicitness test of which 205 returned IMPLICIT in 120 seconds.
[2026-05-22 21:41:56] [INFO ] Performed 416/1240 implicitness test of which 265 returned IMPLICIT in 151 seconds.
[2026-05-22 21:42:04] [INFO ] Implicit Places using invariants in 160011 ms returned [1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 21, 22, 23, 26, 27, 30, 33, 34, 35, 36, 37, 39, 41, 42, 44, 46, 47, 49, 53, 54, 55, 57, 58, 60, 61, 62, 63, 65, 67, 68, 69, 71, 72, 74, 75, 78, 79, 80, 81, 83, 84, 85, 86, 90, 91, 95, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 111, 112, 113, 115, 116, 117, 119, 120, 122, 124, 125, 126, 128, 133, 135, 137, 139, 141, 142, 146, 147, 148, 149, 150, 153, 154, 156, 157, 158, 159, 160, 161, 162, 163, 165, 166, 168, 174, 175, 176, 177, 179, 181, 183, 185, 187, 188, 189, 190, 191, 192, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 209, 210, 211, 214, 215, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 232, 234, 235, 237, 241, 242, 243, 245, 247, 248, 249, 250, 252, 257, 258, 259, 261, 262, 264, 265, 267, 268, 269, 272, 273, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 300, 308, 310, 311, 312, 314, 315, 317, 318, 320, 322, 323, 324, 326, 327, 330, 331, 333, 335, 337, 338, 341, 342, 345, 346, 347, 348, 349, 350, 351, 353, 355, 356, 358, 359, 360, 361, 363, 364, 366, 367, 369, 372, 373, 376, 377, 378, 382, 385, 386, 387, 388, 389, 392, 393, 394, 395, 396, 402, 406, 408, 409, 410, 411, 414, 416, 417, 418, 419, 421, 423, 424, 425, 426, 427, 428, 429, 430]
[2026-05-22 21:42:04] [INFO ] Actually due to overlaps returned [2, 3, 4, 10, 21, 26, 27, 30, 33, 54, 63, 71, 72, 74, 86, 98, 113, 120, 128, 135, 20, 46, 116, 146, 248, 272, 292, 298, 317, 360]
Discarding 30 places :
Implicit Place search using SMT only with invariants took 160027 ms to find 30 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 1210/1240 places, 1200/1200 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 92 ms. Remains 1210 /1210 variables (removed 0) and now considering 1200/1200 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 160260 ms. Remains : 1210/1240 places, 1200/1200 transitions.
Interrupted Random walk after 738406 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=24 )
Interrupted Random directed walk after 1182141 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=39 )
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17363490125178362567.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17037647516547668304.kers'
[2026-05-22 21:43:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17363490125178362567.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17037647516547668304.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 1200 rows 1210 cols 17620 entries
Finished phase 1 with 400 SingleSign rule and 400 generalized
[2026-05-22 21:43:04] [INFO ] Computed 410 invariants in 29 ms
Computed 410 P flows in 30 ms.
Exported basis to /tmp/petrispot-output-17037647516547668304.kers
Total runtime 34 ms.
[2026-05-22 21:43:05] [INFO ] [Real]Absence check using 41 positive place invariants in 109 ms returned sat
[2026-05-22 21:45:20] [INFO ] [Real]Absence check using 41 positive and 369 generalized place invariants in 135139 ms returned sat
[2026-05-22 21:48:04] [INFO ] [Real]Absence check using state equation in 164130 ms returned unknown
Random directed walk for 500016 steps, including 0 resets, run took 14218 ms (no deadlock found). (steps per millisecond=35 )
Random walk for 500000 steps, including 0 resets, run took 19867 ms (no deadlock found). (steps per millisecond=25 )
Random directed walk for 500000 steps, including 0 resets, run took 12481 ms (no deadlock found). (steps per millisecond=40 )
Random walk for 500000 steps, including 0 resets, run took 19813 ms (no deadlock found). (steps per millisecond=25 )
[2026-05-22 21:49:11] [INFO ] Flatten gal took : 639 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin987716676051056987
[2026-05-22 21:49:12] [INFO ] Too many transitions (3200) to apply POR reductions. Disabling POR matrices.
[2026-05-22 21:49:12] [INFO ] Applying decomposition
[2026-05-22 21:49:12] [INFO ] Built C files in 194ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin987716676051056987
Running compilation step : cd /tmp/ltsmin987716676051056987;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-22 21:49:12] [INFO ] Flatten gal took : 304 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9699494532875713300.txt' '-o' '/tmp/graph9699494532875713300.bin' '-w' '/tmp/graph9699494532875713300.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9699494532875713300.bin' '-l' '-1' '-v' '-w' '/tmp/graph9699494532875713300.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:49:13] [INFO ] Decomposing Gal with order
[2026-05-22 21:49:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:49:15] [INFO ] Removed a total of 14780 redundant transitions.
[2026-05-22 21:49:15] [INFO ] Flatten gal took : 980 ms
[2026-05-22 21:49:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 149 ms.
[2026-05-22 21:49:15] [INFO ] Time to serialize gal into /tmp/ReachabilityDeadlock10817239509064272584.gal : 109 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityDeadlock10817239509064272584.gal' '-t' 'CGAL' '-ctl' 'DEADLOCK'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...235
No direction supplied, using forward translation only.
Compilation finished in 18839 ms.
Running link step : cd /tmp/ltsmin987716676051056987;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 808 ms.
Running LTSmin : cd /tmp/ltsmin987716676051056987;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-d'

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -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="DatabaseWithMutex-PT-20"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itstools"
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 itstools"
echo " Input is DatabaseWithMutex-PT-20, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r088-smll-177946995100041"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-PT-20.tgz
mv DatabaseWithMutex-PT-20 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;