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.r104-tall-177955698800447.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 itstools
Input is DLCshifumi-PT-4a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698800447
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.4M
-rw-r--r-- 1 mcc users 8.6K Mar 6 17:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 6 17:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 17:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 17:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 09:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 17:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 6 17:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 17:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 17:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 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 1.9M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779609650157

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCshifumi-PT-4a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 08:00:51] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 08:00:51] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:00:51] [INFO ] Load time of PNML (sax parser for PT used): 297 ms
[2026-05-24 08:00:51] [INFO ] Transformed 1178 places.
[2026-05-24 08:00:51] [INFO ] Transformed 7504 transitions.
[2026-05-24 08:00:51] [INFO ] Found NUPN structural information;
[2026-05-24 08:00:51] [INFO ] Parsed PT model containing 1178 places and 7504 transitions and 28610 arcs in 424 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1178/1178 places, 7504/7504 transitions.
Graph (trivial) has 1047 edges and 1178 vertex of which 166 / 1178 are part of one of the 79 SCC in 14 ms
Free SCC test removed 87 places
Ensure Unique test removed 2018 transitions
Reduce isomorphic transitions removed 2018 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 75 transitions
Trivial Post-agglo rules discarded 75 transitions
Performed 75 trivial Post agglomeration. Transition count delta: 75
Iterating post reduction 0 with 75 rules applied. Total rules applied 76 place count 1091 transition count 5411
Reduce places removed 75 places and 0 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 151 place count 1016 transition count 5411
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 9 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 309 place count 937 transition count 5332
Ensure Unique test removed 612 transitions
Reduce isomorphic transitions removed 612 transitions.
Iterating post reduction 2 with 612 rules applied. Total rules applied 921 place count 937 transition count 4720
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: -150
Deduced a syphon composed of 75 places in 6 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 3 with 150 rules applied. Total rules applied 1071 place count 862 transition count 4870
Applied a total of 1071 rules in 252 ms. Remains 862 /1178 variables (removed 316) and now considering 4870/7504 (removed 2634) transitions.
[2026-05-24 08:00:52] [INFO ] Flow matrix only has 338 transitions (discarded 4532 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11022179578999457256.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15333285794772348334.kers'
[2026-05-24 08:00:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11022179578999457256.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15333285794772348334.kers]
Normalized transition count is 337 out of 338 initially.
Culling duplicate invariants (modulo rational): removing 612 columns.
Culled 612 columns in 0 ms.
// Phase 1: matrix 337 rows 250 cols 752 entries
Finished phase 1 with 171 SingleSign rule and 0 generalized
[2026-05-24 08:00:52] [INFO ] Computed 691 invariants in 6 ms
Computed 691 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-15333285794772348334.kers
Total runtime 7 ms.
[2026-05-24 08:01:00] [INFO ] Implicit Places using invariants in 8583 ms returned [250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 550, 551, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 565, 566, 567, 568, 569, 570, 571, 572, 573, 574, 575, 576, 577, 578, 579, 580, 581, 582, 583, 584, 585, 586, 587, 588, 589, 590, 591, 592, 593, 594, 595, 596, 597, 598, 599, 600, 601, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 624, 625, 626, 627, 628, 629, 630, 631, 632, 633, 634, 635, 636, 637, 638, 639, 640, 641, 642, 643, 644, 645, 646, 647, 648, 649, 650, 651, 652, 653, 654, 655, 656, 657, 658, 659, 660, 661, 662, 663, 664, 665, 666, 667, 668, 669, 670, 671, 672, 673, 674, 675, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 689, 690, 691, 692, 693, 694, 695, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 722, 723, 724, 725, 726, 727, 728, 729, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 765, 766, 767, 768, 769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 800, 801, 802, 803, 804, 805, 806, 807, 808, 809, 810, 811, 812, 813, 814, 815, 816, 817, 818, 819, 820, 821, 822, 823, 824, 825, 826, 827, 828, 829, 830, 831, 832, 833, 834, 835, 836, 837, 838, 839, 840, 841, 842, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 855, 856, 857, 858, 859, 860, 861]
Discarding 612 places :
Ensure Unique test removed 4292 transitions
Reduce isomorphic transitions removed 4292 transitions.
Implicit Place search using SMT only with invariants took 8634 ms to find 612 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 250/1178 places, 578/7504 transitions.
Graph (trivial) has 577 edges and 250 vertex of which 249 / 250 are part of one of the 79 SCC in 1 ms
Free SCC test removed 170 places
Ensure Unique test removed 498 transitions
Reduce isomorphic transitions removed 498 transitions.
Applied a total of 1 rules in 3 ms. Remains 80 /250 variables (removed 170) and now considering 80/578 (removed 498) transitions.
[2026-05-24 08:01:00] [INFO ] Flow matrix only has 2 transitions (discarded 78 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3055584013411575351.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9897997056606792279.kers'
[2026-05-24 08:01:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3055584013411575351.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9897997056606792279.kers]
Normalized transition count is 1 out of 2 initially.
Culling duplicate invariants (modulo rational): removing 79 columns.
Culled 79 columns in 0 ms.
// Phase 1: matrix 1 rows 1 cols 1 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-24 08:01:00] [INFO ] Computed 79 invariants in 0 ms
Computed 79 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9897997056606792279.kers
Total runtime 0 ms.
[2026-05-24 08:01:00] [INFO ] Implicit Places using invariants in 50 ms returned []
[2026-05-24 08:01:00] [INFO ] Flow matrix only has 2 transitions (discarded 78 similar events)
[2026-05-24 08:01:00] [INFO ] Invariant cache hit.
[2026-05-24 08:01:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 08:01:00] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 80/1178 places, 80/7504 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 9013 ms. Remains : 80/1178 places, 80/7504 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 10 ms. (0 steps per ms) remains 0/79 properties
[2026-05-24 08:01:00] [INFO ] Flatten gal took : 123 ms
[2026-05-24 08:01:00] [INFO ] Flatten gal took : 8 ms
[2026-05-24 08:01:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15617499598919481605.gal : 5 ms
[2026-05-24 08:01:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12518344843279227814.prop : 1 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15617499598919481605.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12518344843279227814.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Able to resolve query QuasiLiveness after proving 80 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 9719 ms.

BK_STOP 1779609660976

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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 QuasiLiveness -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="DLCshifumi-PT-4a"
export BK_EXAMINATION="QuasiLiveness"
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 DLCshifumi-PT-4a, 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 r104-tall-177955698800447"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-4a.tgz
mv DLCshifumi-PT-4a 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 ;