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.r136-smll-177955810900072.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 FamilyReunion-PT-L00050M0005C002P002G001, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955810900072
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.3M
-rw-r--r-- 1 mcc users 45K Mar 6 05:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 278K Mar 6 05:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 237K Mar 6 05:12 CTLFireability.txt
-rw-r--r-- 1 mcc users 842K Mar 6 05:12 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 34K Mar 15 10:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 157K Mar 15 10:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 89K Mar 15 10:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 264K Mar 15 10:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 168K Mar 6 05:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.1M Mar 6 05:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 328K Mar 6 05:13 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 1.2M Mar 6 05:13 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 15 10:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 24 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 4.7M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779612270034

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FamilyReunion-PT-L00050M0005C002P002G001
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 08:44:32] [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 08:44:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 08:44:33] [INFO ] Load time of PNML (sax parser for PT used): 1037 ms
[2026-05-24 08:44:33] [INFO ] Transformed 12194 places.
[2026-05-24 08:44:33] [INFO ] Transformed 10560 transitions.
[2026-05-24 08:44:33] [INFO ] Parsed PT model containing 12194 places and 10560 transitions and 32238 arcs in 1306 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 12194/12194 places, 10560/10560 transitions.
Reduce places removed 190 places and 0 transitions.
Discarding 1836 places :
Implicit places reduction removed 1836 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5508 transitions
Trivial Post-agglo rules discarded 5508 transitions
Performed 5508 trivial Post agglomeration. Transition count delta: 5508
Iterating post reduction 0 with 7534 rules applied. Total rules applied 7534 place count 10168 transition count 5052
Reduce places removed 5508 places and 0 transitions.
Iterating post reduction 1 with 5508 rules applied. Total rules applied 13042 place count 4660 transition count 5052
Performed 561 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 561 Pre rules applied. Total rules applied 13042 place count 4660 transition count 4491
Deduced a syphon composed of 561 places in 38 ms
Ensure Unique test removed 306 places
Reduce places removed 867 places and 0 transitions.
Iterating global reduction 2 with 1428 rules applied. Total rules applied 14470 place count 3793 transition count 4491
Drop transitions (Trivial Post-Agglo cleanup.) removed 204 transitions
Trivial Post-agglo rules discarded 204 transitions
Performed 204 trivial Post agglomeration. Transition count delta: 204
Iterating post reduction 2 with 204 rules applied. Total rules applied 14674 place count 3793 transition count 4287
Reduce places removed 204 places and 0 transitions.
Iterating post reduction 3 with 204 rules applied. Total rules applied 14878 place count 3589 transition count 4287
Performed 1023 Post agglomeration using F-continuation condition.Transition count delta: 1023
Deduced a syphon composed of 1023 places in 6 ms
Reduce places removed 1023 places and 0 transitions.
Iterating global reduction 4 with 2046 rules applied. Total rules applied 16924 place count 2566 transition count 3264
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -609
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 4 with 202 rules applied. Total rules applied 17126 place count 2465 transition count 3873
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 1 places in 5 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 17128 place count 2464 transition count 3876
Applied a total of 17128 rules in 1429 ms. Remains 2464 /12194 variables (removed 9730) and now considering 3876/10560 (removed 6684) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1067415997592940149.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13143866040388239558.kers'
[2026-05-24 08:44:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1067415997592940149.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13143866040388239558.kers]
Culled 0 columns in 4 ms.
// Phase 1: matrix 3876 rows 2464 cols 15861 entries
Finished phase 1 with 1235 SingleSign rule and 714 generalized
[2026-05-24 08:44:35] [INFO ] Computed 515 invariants in 40 ms
Computed 515 P flows in 41 ms.
Exported basis to /tmp/petrispot-output-13143866040388239558.kers
Total runtime 46 ms.
[2026-05-24 08:44:41] [INFO ] Implicit Places using invariants in 6484 ms returned [51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 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, 862, 863, 864, 865, 866, 867, 868, 869, 972, 973, 974, 975, 976, 977, 978, 979, 980, 981, 982, 983, 984, 985, 986, 987, 988, 989, 990, 991, 992, 993, 994, 995, 996, 997, 998, 999, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1129, 1130, 1131, 1132, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1140, 1141, 1142, 1143, 1144, 1145, 1146, 1147, 1148, 1149, 1150, 1151, 1152, 1153, 1154, 1155, 1156, 1157, 1158, 1159, 1160, 1161, 1162, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1179, 1339, 1340, 1341, 1342, 1343, 1344, 1345, 1346, 1347, 1348, 1349, 1350, 1351, 1352, 1353, 1354, 1355, 1356, 1357, 1358, 1359, 1360, 1361, 1362, 1363, 1364, 1365, 1366, 1367, 1368, 1369, 1370, 1371, 1372, 1373, 1374, 1375, 1376, 1377, 1378, 1379, 1380, 1381, 1382, 1383, 1384, 1385, 1386, 1387, 1388, 1389, 1390, 1391, 1392, 1393, 1394, 1395, 1396, 1397, 1398, 1399, 1400, 1401, 1402, 1403, 1404, 1405, 1406, 1407, 1408, 1409, 1410, 1411, 1412, 1413, 1414, 1415, 1416, 1417, 1418, 1419, 1420, 1421, 1422, 1423, 1424, 1425, 1426, 1427, 1428, 1429, 1430, 1431, 1432, 1433, 1434, 1435, 1436, 1437, 1438, 1439, 1440, 1747, 1748, 1749, 1750, 1751, 1752, 1753, 1754, 1755, 1756, 1757, 1758, 1759, 1760, 1761, 1762, 1763, 1764, 1765, 1766, 1767, 1768, 1769, 1770, 1771, 1772, 1773, 1774, 1775, 1776, 1777, 1778, 1779, 1780, 1781, 1782, 1783, 1784, 1785, 1786, 1787, 1788, 1789, 1790, 1791, 1792, 1793, 1794, 1795, 1796, 1797, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2030, 2031, 2032, 2033, 2034, 2035, 2036, 2037, 2038, 2039, 2040, 2041, 2042, 2043, 2044, 2045, 2046, 2047, 2048, 2049, 2050, 2051, 2052, 2209, 2210, 2211, 2212, 2213, 2214, 2215, 2216, 2217, 2218, 2219, 2220, 2221, 2222, 2223, 2224, 2225, 2226, 2227, 2228, 2229, 2230, 2231, 2232, 2233, 2234, 2235, 2236, 2237, 2238, 2239, 2240, 2241, 2242, 2243, 2244, 2245, 2246, 2247, 2248, 2249, 2250, 2251, 2252, 2253, 2254, 2255, 2256, 2257, 2258, 2259]
Discarding 510 places :
Implicit Place search using SMT only with invariants took 6546 ms to find 510 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1954/12194 places, 3876/10560 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 459 transitions
Trivial Post-agglo rules discarded 459 transitions
Performed 459 trivial Post agglomeration. Transition count delta: 459
Iterating post reduction 0 with 459 rules applied. Total rules applied 459 place count 1954 transition count 3417
Reduce places removed 459 places and 0 transitions.
Iterating post reduction 1 with 459 rules applied. Total rules applied 918 place count 1495 transition count 3417
Performed 1122 Post agglomeration using F-continuation condition.Transition count delta: 1122
Deduced a syphon composed of 1122 places in 3 ms
Reduce places removed 1122 places and 0 transitions.
Iterating global reduction 2 with 2244 rules applied. Total rules applied 3162 place count 373 transition count 2295
Ensure Unique test removed 714 transitions
Reduce isomorphic transitions removed 714 transitions.
Iterating post reduction 2 with 714 rules applied. Total rules applied 3876 place count 373 transition count 1581
Performed 51 Post agglomeration using F-continuation condition.Transition count delta: -459
Deduced a syphon composed of 51 places in 3 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 3 with 102 rules applied. Total rules applied 3978 place count 322 transition count 2040
Applied a total of 3978 rules in 301 ms. Remains 322 /1954 variables (removed 1632) and now considering 2040/3876 (removed 1836) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-749679902739009207.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5789913657382903999.kers'
[2026-05-24 08:44:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-749679902739009207.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5789913657382903999.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2040 rows 322 cols 7497 entries
Finished phase 1 with 114 SingleSign rule and 203 generalized
[2026-05-24 08:44:42] [INFO ] Computed 5 invariants in 19 ms
Computed 5 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-5789913657382903999.kers
Total runtime 22 ms.
[2026-05-24 08:44:42] [INFO ] Implicit Places using invariants in 475 ms returned []
[2026-05-24 08:44:42] [INFO ] Invariant cache hit.
[2026-05-24 08:44:44] [INFO ] Implicit Places using invariants and state equation in 1691 ms returned []
Implicit Place search using SMT with State Equation took 2168 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 322/12194 places, 2040/10560 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 10471 ms. Remains : 322/12194 places, 2040/10560 transitions.
Discarding 1173 transitions out of 2040. Remains 867
Initial state reduction rules removed 51 formulas.
[2026-05-24 08:44:46] [INFO ] Flatten gal took : 697 ms
[2026-05-24 08:44:46] [INFO ] Flatten gal took : 398 ms
RANDOM walk for 40000 steps (188 resets) in 7621 ms. (5 steps per ms) remains 0/816 properties
[2026-05-24 08:44:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7104173817087162102.gal : 82 ms
[2026-05-24 08:44:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3747932982742659141.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/ReachabilityCardinality7104173817087162102.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3747932982742659141.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
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 867 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 14132 ms.

BK_STOP 1779612286678

--------------------
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="FamilyReunion-PT-L00050M0005C002P002G001"
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 FamilyReunion-PT-L00050M0005C002P002G001, 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 r136-smll-177955810900072"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FamilyReunion-PT-L00050M0005C002P002G001.tgz
mv FamilyReunion-PT-L00050M0005C002P002G001 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 ;