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-177946995200122.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 DBSingleClientW-PT-d2m04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995200122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.8K Mar 6 18:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 18:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 6 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 33K Mar 6 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 08:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 08:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Mar 6 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 6 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 6 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K Mar 6 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 1779491367222

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d2m04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 23:09:29] [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]
[2026-05-22 23:09:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:09:30] [INFO ] Load time of PNML (sax parser for PT used): 581 ms
[2026-05-22 23:09:30] [INFO ] Transformed 4763 places.
[2026-05-22 23:09:30] [INFO ] Transformed 2478 transitions.
[2026-05-22 23:09:30] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 846 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4763/4763 places, 2478/2478 transitions.
Reduce places removed 3626 places and 0 transitions.
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 199 transitions.
Iterating post reduction 0 with 3825 rules applied. Total rules applied 3825 place count 1137 transition count 2279
Applied a total of 3825 rules in 196 ms. Remains 1137 /4763 variables (removed 3626) and now considering 2279/2478 (removed 199) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8019263853970927230.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6273369323336987831.kers'
[2026-05-22 23:09:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8019263853970927230.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6273369323336987831.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 2279 rows 1137 cols 6262 entries
Finished phase 1 with 1133 SingleSign rule and 2 generalized
[2026-05-22 23:09:30] [INFO ] Computed 2 invariants in 19 ms
Computed 2 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-6273369323336987831.kers
Total runtime 23 ms.
[2026-05-22 23:09:33] [INFO ] Implicit Places using invariants in 2461 ms returned []
[2026-05-22 23:09:33] [INFO ] Invariant cache hit.
[2026-05-22 23:09:35] [INFO ] State equation strengthened by 1389 read => feed constraints.
[2026-05-22 23:10:06] [INFO ] Performed 1126/1137 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 23:10:06] [INFO ] Implicit Places using invariants and state equation in 33272 ms returned []
Implicit Place search using SMT with State Equation took 35792 ms to find 0 implicit places.
Running 2278 sub problems to find dead transitions.
[2026-05-22 23:10:06] [INFO ] Invariant cache hit.
[2026-05-22 23:10:07] [INFO ] State equation strengthened by 1389 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1136/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 2278 unsolved in 30159 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 2278/462 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2278 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1136/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 2278 unsolved in 30095 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 1816/462 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 66537ms problems are : Problem set: 0 solved, 2278 unsolved
Search for dead transitions found 0 dead transitions in 66600ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1137/4763 places, 2279/2478 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 102683 ms. Remains : 1137/4763 places, 2279/2478 transitions.
Discarding 1145 transitions out of 2279. Remains 1134
Initial state reduction rules removed 1 formulas.
[2026-05-22 23:11:15] [INFO ] Flatten gal took : 692 ms
[2026-05-22 23:11:15] [INFO ] Flatten gal took : 401 ms
[2026-05-22 23:11:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10731419953508528274.gal : 127 ms
[2026-05-22 23:11:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6220294572465315550.prop : 33 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/ReachabilityCardinality10731419953508528274.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6220294572465315550.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...329
Loading property file /tmp/ReachabilityCardinality6220294572465315550.prop.
RANDOM walk for 40000 steps (9119 resets) in 10535 ms. (3 steps per ms) remains 1055/1133 properties
BEST_FIRST walk for 123 steps (10 resets) in 15 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (11 resets) in 18 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 25 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 26 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 16 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (9 resets) in 28 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 25 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 120 steps (12 resets) in 23 ms. (5 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (12 resets) in 20 ms. (5 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (11 resets) in 29 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 28 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 19 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (9 resets) in 18 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (11 resets) in 23 ms. (5 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (10 resets) in 21 ms. (5 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (8 resets) in 27 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (8 resets) in 25 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 17 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 24 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (12 resets) in 27 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 36 ms. (3 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (11 resets) in 26 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 28 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (10 resets) in 28 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (11 resets) in 28 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 28 ms. (4 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 16 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 22 ms. (5 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 17 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 15 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 17 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (12 resets) in 16 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 13 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 14 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 16 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (8 resets) in 18 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 15 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (10 resets) in 17 ms. (6 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (10 resets) in 20 ms. (5 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (10 resets) in 20 ms. (5 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 123 steps (10 resets) in 14 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 124 steps (9 resets) in 13 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (12 resets) in 15 ms. (7 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 14 ms. (8 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 121 steps (11 resets) in 12 ms. (9 steps per ms) remains 1055/1055 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1055/1055 properties
Probabilistic random walk after 30000 steps, saw 13912 distinct states, run finished after 1984 ms. (steps per millisecond=15 ) properties seen :331
[2026-05-22 23:11:18] [INFO ] Invariant cache hit.
Reachability property qltransition_1835 is true.
[2026-05-22 23:11:19] [INFO ] State equation strengthened by 1389 read => feed constraints.
Reachability property qltransition_15 is true.
Reachability property qltransition_14 is true.
Reachability property qltransition_3 is true.
Reachability property qltransition_2 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,1127 properties remain. new max is 2
SDD size :1 after 5
Reachability property qltransition_259 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,1125 properties remain. new max is 2
SDD size :5 after 24
Reachability property qltransition_1836 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_5 is true.
SDD proceeding with computation,1122 properties remain. new max is 2
SDD size :24 after 40
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 743/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 724 unsolved in 5034 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 724/356 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 724 unsolved
SDD proceeding with computation,1122 properties remain. new max is 4
SDD size :40 after 56
SDD proceeding with computation,1122 properties remain. new max is 8
SDD size :56 after 88
SDD proceeding with computation,1122 properties remain. new max is 16
SDD size :88 after 118
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 743/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 724 unsolved in 5036 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 368/356 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12056ms problems are : Problem set: 0 solved, 724 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 743 out of 1137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1137/1137 places, 2279/2279 transitions.
Discarding 62 places :
Symmetric choice reduction at 0 with 62 rule applications. Total rules 62 place count 1075 transition count 2062
Iterating global reduction 0 with 62 rules applied. Total rules applied 124 place count 1075 transition count 2062
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 141 place count 1075 transition count 2045
Discarding 42 places :
Symmetric choice reduction at 1 with 42 rule applications. Total rules 183 place count 1033 transition count 2003
Iterating global reduction 1 with 42 rules applied. Total rules applied 225 place count 1033 transition count 2003
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 252 place count 1006 transition count 1969
Iterating global reduction 1 with 27 rules applied. Total rules applied 279 place count 1006 transition count 1969
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 300 place count 1006 transition count 1948
Applied a total of 300 rules in 778 ms. Remains 1006 /1137 variables (removed 131) and now considering 1948/2279 (removed 331) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 779 ms. Remains : 1006/1137 places, 1948/2279 transitions.
SDD proceeding with computation,1122 properties remain. new max is 32
SDD size :118 after 152
SDD proceeding with computation,1122 properties remain. new max is 64
SDD size :152 after 184
SDD proceeding with computation,1122 properties remain. new max is 128
SDD size :184 after 186
Reachability property qltransition_1066 is true.
SDD proceeding with computation,1121 properties remain. new max is 128
SDD size :186 after 252
SDD proceeding with computation,1121 properties remain. new max is 256
SDD size :252 after 276
Reachability property qltransition_2224 is true.
Reachability property qltransition_2223 is true.
Reachability property qltransition_2222 is true.
Reachability property qltransition_2221 is true.
Reachability property qltransition_2086 is true.
Reachability property qltransition_1812 is true.
Reachability property qltransition_1807 is true.
Reachability property qltransition_1065 is true.
Reachability property qltransition_1064 is true.
Reachability property qltransition_747 is true.
SDD proceeding with computation,1111 properties remain. new max is 256
SDD size :276 after 606
Reachability property qltransition_2274 is true.
Reachability property qltransition_2269 is true.
Reachability property qltransition_2001 is true.
Reachability property qltransition_2000 is true.
Reachability property qltransition_1999 is true.
Reachability property qltransition_1616 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_318 is true.
Reachability property qltransition_309 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_179 is true.
Reachability property qltransition_178 is true.
SDD proceeding with computation,1099 properties remain. new max is 256
SDD size :606 after 1110
RANDOM walk for 1369137 steps (314254 resets) in 120004 ms. (11 steps per ms) remains 703/724 properties
BEST_FIRST walk for 4002 steps (157 resets) in 129 ms. (30 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (175 resets) in 133 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (186 resets) in 114 ms. (34 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (183 resets) in 124 ms. (32 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (172 resets) in 116 ms. (34 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (172 resets) in 142 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (182 resets) in 135 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (165 resets) in 149 ms. (26 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (183 resets) in 150 ms. (26 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (173 resets) in 128 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (189 resets) in 170 ms. (23 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (156 resets) in 144 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (161 resets) in 198 ms. (20 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (176 resets) in 213 ms. (18 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (163 resets) in 204 ms. (19 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (162 resets) in 201 ms. (19 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (166 resets) in 192 ms. (20 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (176 resets) in 194 ms. (20 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (188 resets) in 142 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (177 resets) in 141 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (182 resets) in 143 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (151 resets) in 136 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (200 resets) in 151 ms. (26 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (189 resets) in 131 ms. (30 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (181 resets) in 195 ms. (20 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (180 resets) in 134 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (170 resets) in 129 ms. (30 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (177 resets) in 140 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (162 resets) in 138 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (160 resets) in 140 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (168 resets) in 137 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (167 resets) in 142 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (179 resets) in 144 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (165 resets) in 136 ms. (29 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (170 resets) in 140 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (171 resets) in 138 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (169 resets) in 144 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (178 resets) in 146 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (164 resets) in 142 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (192 resets) in 156 ms. (25 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (165 resets) in 141 ms. (28 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (167 resets) in 125 ms. (31 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (190 resets) in 195 ms. (20 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4002 steps (182 resets) in 187 ms. (21 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (180 resets) in 166 ms. (23 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (163 resets) in 132 ms. (30 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (164 resets) in 142 ms. (27 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (178 resets) in 117 ms. (33 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4003 steps (174 resets) in 130 ms. (30 steps per ms) remains 703/703 properties
BEST_FIRST walk for 4004 steps (200 resets) in 161 ms. (24 steps per ms) remains 703/703 properties
Reachability property qltransition_2087 is true.
Reachability property qltransition_1624 is true.
SDD proceeding with computation,1097 properties remain. new max is 256
SDD size :1110 after 1590
SDD proceeding with computation,1097 properties remain. new max is 512
SDD size :1590 after 1704
Reachability property qltransition_1617 is true.
SDD proceeding with computation,1096 properties remain. new max is 512
SDD size :1704 after 2162
SDD proceeding with computation,1096 properties remain. new max is 1024
SDD size :2162 after 2641
Probabilistic random walk after 1000000 steps, saw 391159 distinct states, run finished after 24811 ms. (steps per millisecond=40 ) properties seen :683
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17558913348609166443.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9358624547246807966.kers'
[2026-05-22 23:12:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17558913348609166443.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9358624547246807966.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1948 rows 1006 cols 5440 entries
Finished phase 1 with 1002 SingleSign rule and 2 generalized
[2026-05-22 23:12:28] [INFO ] Computed 2 invariants in 15 ms
Computed 2 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-9358624547246807966.kers
Total runtime 18 ms.
[2026-05-22 23:12:28] [INFO ] State equation strengthened by 1143 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 378/403 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/403 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 275/678 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/678 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 1049/1727 variables, 678/680 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1727 variables, 244/924 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1727 variables, 0/924 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Reachability property qltransition_1058 is true.
At refinement iteration 8 (OVERLAPS) 1169/2896 variables, 299/1223 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2896 variables, 870/2093 constraints. Problems are: Problem set: 0 solved, 20 unsolved
SDD proceeding with computation,1095 properties remain. new max is 1024
SDD size :2641 after 4008
At refinement iteration 10 (INCLUDED_ONLY) 0/2896 variables, 0/2093 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 11 (OVERLAPS) 58/2954 variables, 29/2122 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2954 variables, 29/2151 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2954 variables, 0/2151 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 14 (OVERLAPS) 0/2954 variables, 0/2151 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2954/2954 variables, and 2151 constraints, problems are : Problem set: 0 solved, 20 unsolved in 13577 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1006/1006 constraints, ReadFeed: 1143/1143 constraints, PredecessorRefiner: 20/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 378/403 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/403 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 275/678 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/678 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 1049/1727 variables, 678/680 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1727 variables, 244/924 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1727 variables, 0/924 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 1169/2896 variables, 299/1223 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Reachability property qltransition_2254 is true.
Reachability property qltransition_2249 is true.
Reachability property qltransition_2218 is true.
Reachability property qltransition_2217 is true.
At refinement iteration 9 (INCLUDED_ONLY) 0/2896 variables, 870/2093 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Reachability property qltransition_2084 is true.
At refinement iteration 10 (INCLUDED_ONLY) 0/2896 variables, 11/2104 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Reachability property qltransition_1839 is true.
Reachability property qltransition_1838 is true.
Reachability property qltransition_1837 is true.
Reachability property qltransition_1792 is true.
Reachability property qltransition_1787 is true.
Reachability property qltransition_1606 is true.
Reachability property qltransition_1598 is true.
Reachability property qltransition_1057 is true.
Reachability property qltransition_1056 is true.
Reachability property qltransition_589 is true.
Reachability property qltransition_321 is true.
Reachability property qltransition_312 is true.
Reachability property qltransition_303 is true.
Reachability property qltransition_18 is true.
Reachability property qltransition_17 is true.
Reachability property qltransition_16 is true.
SDD proceeding with computation,1074 properties remain. new max is 1024
SDD size :4008 after 6039
At refinement iteration 11 (INCLUDED_ONLY) 0/2896 variables, 0/2104 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Reachability property qltransition_1599 is true.
At refinement iteration 12 (OVERLAPS) 58/2954 variables, 29/2133 constraints. Problems are: Problem set: 0 solved, 20 unsolved
SDD proceeding with computation,1073 properties remain. new max is 1024
SDD size :6039 after 6657
At refinement iteration 13 (INCLUDED_ONLY) 0/2954 variables, 29/2162 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2954 variables, 0/2162 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 15 (OVERLAPS) 0/2954 variables, 0/2162 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2954/2954 variables, and 2162 constraints, problems are : Problem set: 0 solved, 20 unsolved in 40881 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 1006/1006 constraints, ReadFeed: 1143/1143 constraints, PredecessorRefiner: 20/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 54629ms problems are : Problem set: 0 solved, 20 unsolved
Parikh walk visited 0 properties in 2185 ms.
Support contains 25 out of 1006 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1006/1006 places, 1948/1948 transitions.
Graph (complete) has 3613 edges and 1006 vertex of which 1005 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 1005 transition count 1931
Discarding 324 places :
Symmetric choice reduction at 1 with 324 rule applications. Total rules 342 place count 681 transition count 1113
Iterating global reduction 1 with 324 rules applied. Total rules applied 666 place count 681 transition count 1113
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 674 place count 681 transition count 1105
Discarding 263 places :
Symmetric choice reduction at 2 with 263 rule applications. Total rules 937 place count 418 transition count 842
Iterating global reduction 2 with 263 rules applied. Total rules applied 1200 place count 418 transition count 842
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1212 place count 418 transition count 830
Discarding 213 places :
Symmetric choice reduction at 3 with 213 rule applications. Total rules 1425 place count 205 transition count 528
Iterating global reduction 3 with 213 rules applied. Total rules applied 1638 place count 205 transition count 528
Ensure Unique test removed 198 transitions
Reduce isomorphic transitions removed 198 transitions.
Iterating post reduction 3 with 198 rules applied. Total rules applied 1836 place count 205 transition count 330
Discarding 23 places :
Symmetric choice reduction at 4 with 23 rule applications. Total rules 1859 place count 182 transition count 292
Iterating global reduction 4 with 23 rules applied. Total rules applied 1882 place count 182 transition count 292
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1888 place count 182 transition count 286
Discarding 15 places :
Symmetric choice reduction at 5 with 15 rule applications. Total rules 1903 place count 167 transition count 271
Iterating global reduction 5 with 15 rules applied. Total rules applied 1918 place count 167 transition count 271
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 1922 place count 167 transition count 267
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 1934 place count 155 transition count 255
Iterating global reduction 6 with 12 rules applied. Total rules applied 1946 place count 155 transition count 255
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 1959 place count 155 transition count 242
Discarding 6 places :
Symmetric choice reduction at 7 with 6 rule applications. Total rules 1965 place count 149 transition count 202
Iterating global reduction 7 with 6 rules applied. Total rules applied 1971 place count 149 transition count 202
Applied a total of 1971 rules in 173 ms. Remains 149 /1006 variables (removed 857) and now considering 202/1948 (removed 1746) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 149/1006 places, 202/1948 transitions.
SDD proceeding with computation,1073 properties remain. new max is 2048
SDD size :6657 after 7937
Reachability property qltransition_2216 is true.
Reachability property qltransition_2215 is true.
Reachability property qltransition_2214 is true.
Reachability property qltransition_2213 is true.
Reachability property qltransition_2083 is true.
Reachability property qltransition_2082 is true.
RANDOM walk for 4000000 steps (920655 resets) in 31945 ms. (125 steps per ms) remains 19/20 properties
Reachability property qltransition_1052 is true.
Reachability property qltransition_1050 is true.
Reachability property qltransition_1048 is true.
Reachability property qltransition_1046 is true.
Reachability property qltransition_1044 is true.
Reachability property qltransition_1042 is true.
Reachability property qltransition_1040 is true.
Reachability property qltransition_1034 is true.
Reachability property qltransition_1032 is true.
Reachability property qltransition_1031 is true.
Reachability property qltransition_932 is true.
BEST_FIRST walk for 400002 steps (18030 resets) in 1153 ms. (346 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (17900 resets) in 930 ms. (429 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (17843 resets) in 1049 ms. (380 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (17854 resets) in 1006 ms. (397 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (17997 resets) in 918 ms. (435 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (17741 resets) in 1006 ms. (397 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (18026 resets) in 964 ms. (414 steps per ms) remains 19/19 properties
SDD proceeding with computation,1056 properties remain. new max is 2048
SDD size :7937 after 11996
BEST_FIRST walk for 400002 steps (18202 resets) in 1064 ms. (375 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (38236 resets) in 1482 ms. (269 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (38037 resets) in 1343 ms. (297 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400000 steps (38409 resets) in 1472 ms. (271 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (38198 resets) in 1267 ms. (315 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400001 steps (38391 resets) in 1323 ms. (302 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400000 steps (38238 resets) in 1556 ms. (256 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400001 steps (38535 resets) in 1362 ms. (293 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400001 steps (38313 resets) in 1235 ms. (323 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400001 steps (38381 resets) in 1332 ms. (300 steps per ms) remains 19/19 properties
Reachability property qltransition_2212 is true.
Reachability property qltransition_2210 is true.
Reachability property qltransition_2208 is true.
Reachability property qltransition_2206 is true.
Reachability property qltransition_2204 is true.
Reachability property qltransition_2202 is true.
Reachability property qltransition_2200 is true.
BEST_FIRST walk for 400002 steps (38521 resets) in 1738 ms. (230 steps per ms) remains 19/19 properties
Reachability property qltransition_2140 is true.
BEST_FIRST walk for 400000 steps (38742 resets) in 1339 ms. (298 steps per ms) remains 19/19 properties
Finished probabilistic random walk after 57268 steps, run visited all 19 properties in 664 ms. (steps per millisecond=86 )
Probabilistic random walk after 57268 steps, saw 24582 distinct states, run finished after 671 ms. (steps per millisecond=85 ) properties seen :19
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 1134 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 254816 ms.

BK_STOP 1779491624398

--------------------
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="DBSingleClientW-PT-d2m04"
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 DBSingleClientW-PT-d2m04, 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 r088-smll-177946995200122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m04.tgz
mv DBSingleClientW-PT-d2m04 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 ;