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-177946995200132.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-d2m06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995200132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 9.5K Mar 6 18:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 6 18:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 6 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:50 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 1779491699048

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-d2m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 23:15:00] [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 23:15:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:15:01] [INFO ] Load time of PNML (sax parser for PT used): 563 ms
[2026-05-22 23:15:01] [INFO ] Transformed 4763 places.
[2026-05-22 23:15:01] [INFO ] Transformed 2478 transitions.
[2026-05-22 23:15:01] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 760 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 162 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-2766672881106326512.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6485469548713143419.kers'
[2026-05-22 23:15:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2766672881106326512.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6485469548713143419.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 23:15:02] [INFO ] Computed 2 invariants in 22 ms
Computed 2 P flows in 24 ms.
Exported basis to /tmp/petrispot-output-6485469548713143419.kers
Total runtime 34 ms.
[2026-05-22 23:15:04] [INFO ] Implicit Places using invariants in 2909 ms returned []
[2026-05-22 23:15:04] [INFO ] Invariant cache hit.
[2026-05-22 23:15:06] [INFO ] State equation strengthened by 1389 read => feed constraints.
[2026-05-22 23:15:38] [INFO ] Performed 951/1137 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 23:15:46] [INFO ] Implicit Places using invariants and state equation in 41822 ms returned []
Implicit Place search using SMT with State Equation took 44792 ms to find 0 implicit places.
Running 2278 sub problems to find dead transitions.
[2026-05-22 23:15:46] [INFO ] Invariant cache hit.
[2026-05-22 23:15:47] [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 30150 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
Error getting values : (error "Timeout of Z3 solver reached")
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 30088 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 67031ms problems are : Problem set: 0 solved, 2278 unsolved
Search for dead transitions found 0 dead transitions in 67100ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1137/4763 places, 2279/2478 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 112145 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 23:16:55] [INFO ] Flatten gal took : 479 ms
[2026-05-22 23:16:55] [INFO ] Flatten gal took : 277 ms
[2026-05-22 23:16:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2183974736254548012.gal : 139 ms
[2026-05-22 23:16:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality873075743308855268.prop : 36 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/ReachabilityCardinality2183974736254548012.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality873075743308855268.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 ...327
Loading property file /tmp/ReachabilityCardinality873075743308855268.prop.
RANDOM walk for 40000 steps (9243 resets) in 12328 ms. (3 steps per ms) remains 1053/1133 properties
BEST_FIRST walk for 123 steps (11 resets) in 13 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 124 steps (9 resets) in 27 ms. (4 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 17 ms. (6 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 14 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 15 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (11 resets) in 10 ms. (11 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (12 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 120 steps (12 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 15 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 10 ms. (11 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 124 steps (9 resets) in 18 ms. (6 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 16 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 13 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 16 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 14 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 13 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 15 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 121 steps (11 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 10 ms. (11 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 10 ms. (11 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 121 steps (11 resets) in 18 ms. (6 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 9 ms. (12 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 13 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 16 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 13 ms. (8 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 120 steps (12 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 12 ms. (9 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 10 ms. (11 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (11 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (10 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (9 resets) in 15 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 123 steps (11 resets) in 10 ms. (11 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 122 steps (10 resets) in 16 ms. (7 steps per ms) remains 1053/1053 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1053/1053 properties
Probabilistic random walk after 30000 steps, saw 13922 distinct states, run finished after 2022 ms. (steps per millisecond=14 ) properties seen :330
[2026-05-22 23:17:00] [INFO ] Invariant cache hit.
Reachability property qltransition_1835 is true.
[2026-05-22 23:17:00] [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
SDD proceeding with computation,1122 properties remain. new max is 4
SDD size :40 after 56
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 742/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 723 unsolved in 5051 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: 723/357 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 723 unsolved
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 742/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 723 unsolved in 5038 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: 366/357 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12639ms problems are : Problem set: 0 solved, 723 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 742 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 2079
Iterating global reduction 0 with 62 rules applied. Total rules applied 124 place count 1075 transition count 2079
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 142 place count 1075 transition count 2061
Discarding 42 places :
Symmetric choice reduction at 1 with 42 rule applications. Total rules 184 place count 1033 transition count 2019
Iterating global reduction 1 with 42 rules applied. Total rules applied 226 place count 1033 transition count 2019
Discarding 28 places :
Symmetric choice reduction at 1 with 28 rule applications. Total rules 254 place count 1005 transition count 1984
Iterating global reduction 1 with 28 rules applied. Total rules applied 282 place count 1005 transition count 1984
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 304 place count 1005 transition count 1962
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 305 place count 1004 transition count 1960
Iterating global reduction 2 with 1 rules applied. Total rules applied 306 place count 1004 transition count 1960
Applied a total of 306 rules in 668 ms. Remains 1004 /1137 variables (removed 133) and now considering 1960/2279 (removed 319) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 669 ms. Remains : 1004/1137 places, 1960/2279 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 182
SDD proceeding with computation,1122 properties remain. new max is 128
SDD size :182 after 222
SDD proceeding with computation,1122 properties remain. new max is 256
SDD size :222 after 246
SDD proceeding with computation,1122 properties remain. new max is 512
SDD size :246 after 318
SDD proceeding with computation,1122 properties remain. new max is 1024
SDD size :318 after 406
RANDOM walk for 1424670 steps (326809 resets) in 120004 ms. (11 steps per ms) remains 702/723 properties
BEST_FIRST walk for 4004 steps (188 resets) in 120 ms. (33 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (174 resets) in 141 ms. (28 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (190 resets) in 158 ms. (25 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (179 resets) in 149 ms. (26 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (192 resets) in 175 ms. (22 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (177 resets) in 143 ms. (27 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (182 resets) in 128 ms. (31 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (197 resets) in 141 ms. (28 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (168 resets) in 142 ms. (27 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (196 resets) in 156 ms. (25 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4001 steps (172 resets) in 134 ms. (29 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (191 resets) in 153 ms. (26 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (158 resets) in 165 ms. (24 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (167 resets) in 155 ms. (25 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (184 resets) in 167 ms. (23 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (193 resets) in 173 ms. (23 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (191 resets) in 156 ms. (25 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (179 resets) in 129 ms. (30 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (171 resets) in 142 ms. (27 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (161 resets) in 129 ms. (30 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (164 resets) in 173 ms. (23 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (196 resets) in 163 ms. (24 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (173 resets) in 201 ms. (19 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (177 resets) in 125 ms. (31 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4001 steps (187 resets) in 147 ms. (27 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (189 resets) in 135 ms. (29 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (184 resets) in 168 ms. (23 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (172 resets) in 194 ms. (20 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (169 resets) in 198 ms. (20 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (158 resets) in 174 ms. (22 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (183 resets) in 202 ms. (19 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (193 resets) in 181 ms. (22 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4001 steps (163 resets) in 187 ms. (21 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (180 resets) in 188 ms. (21 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (186 resets) in 164 ms. (24 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (171 resets) in 144 ms. (27 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (172 resets) in 104 ms. (38 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (172 resets) in 122 ms. (32 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (171 resets) in 130 ms. (30 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (164 resets) in 105 ms. (37 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (170 resets) in 106 ms. (37 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4004 steps (176 resets) in 105 ms. (37 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (175 resets) in 92 ms. (43 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (179 resets) in 112 ms. (35 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (170 resets) in 95 ms. (41 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (171 resets) in 114 ms. (34 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4001 steps (185 resets) in 106 ms. (37 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4001 steps (195 resets) in 102 ms. (38 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4002 steps (166 resets) in 108 ms. (36 steps per ms) remains 702/702 properties
BEST_FIRST walk for 4003 steps (174 resets) in 145 ms. (27 steps per ms) remains 702/702 properties
Reachability property qltransition_1066 is true.
SDD proceeding with computation,1121 properties remain. new max is 1024
SDD size :406 after 750
Reachability property qltransition_2274 is true.
Reachability property qltransition_2269 is true.
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_2087 is true.
Reachability property qltransition_2086 is true.
Reachability property qltransition_2001 is true.
Reachability property qltransition_2000 is true.
Reachability property qltransition_1999 is true.
Reachability property qltransition_1812 is true.
Reachability property qltransition_1807 is true.
Reachability property qltransition_1624 is true.
Reachability property qltransition_1616 is true.
Reachability property qltransition_1065 is true.
Reachability property qltransition_1064 is true.
Reachability property qltransition_747 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,1097 properties remain. new max is 1024
SDD size :750 after 4400
Probabilistic random walk after 1000001 steps, saw 395591 distinct states, run finished after 24021 ms. (steps per millisecond=41 ) properties seen :598
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4921611369160071799.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10756087206155949684.kers'
[2026-05-22 23:18:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4921611369160071799.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10756087206155949684.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1960 rows 1004 cols 5463 entries
Finished phase 1 with 1000 SingleSign rule and 2 generalized
[2026-05-22 23:18:09] [INFO ] Computed 2 invariants in 18 ms
Computed 2 P flows in 19 ms.
Exported basis to /tmp/petrispot-output-10756087206155949684.kers
Total runtime 21 ms.
[2026-05-22 23:18:09] [INFO ] State equation strengthened by 1156 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 1 (OVERLAPS) 334/446 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/446 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 3 (OVERLAPS) 240/686 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 104 unsolved
SDD proceeding with computation,1097 properties remain. new max is 2048
SDD size :4400 after 6866
At refinement iteration 4 (INCLUDED_ONLY) 0/686 variables, 12/14 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/686 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 6 (OVERLAPS) 1067/1753 variables, 686/700 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1753 variables, 263/963 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1753 variables, 0/963 constraints. Problems are: Problem set: 0 solved, 104 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 1161/2914 variables, 293/1256 constraints. Problems are: Problem set: 0 solved, 104 unsolved
Reachability property qltransition_1617 is true.
Error getting values : (error "Timeout of Z3 solver reached")
SMT process timed out in 45306ms, After SMT, problems are : Problem set: 0 solved, 104 unsolved
Fused 104 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 112 out of 1004 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1004/1004 places, 1960/1960 transitions.
Graph (complete) has 3624 edges and 1004 vertex of which 1003 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.8 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 1003 transition count 1943
Discarding 280 places :
Symmetric choice reduction at 1 with 280 rule applications. Total rules 298 place count 723 transition count 1165
Iterating global reduction 1 with 280 rules applied. Total rules applied 578 place count 723 transition count 1165
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 586 place count 723 transition count 1157
Discarding 225 places :
Symmetric choice reduction at 2 with 225 rule applications. Total rules 811 place count 498 transition count 932
Iterating global reduction 2 with 225 rules applied. Total rules applied 1036 place count 498 transition count 932
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1048 place count 498 transition count 920
Discarding 176 places :
Symmetric choice reduction at 3 with 176 rule applications. Total rules 1224 place count 322 transition count 669
Iterating global reduction 3 with 176 rules applied. Total rules applied 1400 place count 322 transition count 669
Ensure Unique test removed 167 transitions
Reduce isomorphic transitions removed 167 transitions.
Iterating post reduction 3 with 167 rules applied. Total rules applied 1567 place count 322 transition count 502
Discarding 19 places :
Symmetric choice reduction at 4 with 19 rule applications. Total rules 1586 place count 303 transition count 473
Iterating global reduction 4 with 19 rules applied. Total rules applied 1605 place count 303 transition count 473
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1611 place count 303 transition count 467
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1623 place count 291 transition count 455
Iterating global reduction 5 with 12 rules applied. Total rules applied 1635 place count 291 transition count 455
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1636 place count 291 transition count 454
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1647 place count 280 transition count 443
Iterating global reduction 6 with 11 rules applied. Total rules applied 1658 place count 280 transition count 443
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 1671 place count 280 transition count 430
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1675 place count 276 transition count 404
Iterating global reduction 7 with 4 rules applied. Total rules applied 1679 place count 276 transition count 404
Applied a total of 1679 rules in 283 ms. Remains 276 /1004 variables (removed 728) and now considering 404/1960 (removed 1556) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 283 ms. Remains : 276/1004 places, 404/1960 transitions.
SDD proceeding with computation,1096 properties remain. new max is 2048
SDD size :6866 after 8946
RANDOM walk for 4000000 steps (919097 resets) in 63091 ms. (63 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (1769 resets) in 253 ms. (157 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (1805 resets) in 203 ms. (196 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (1770 resets) in 252 ms. (158 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (1778 resets) in 236 ms. (168 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (1850 resets) in 227 ms. (175 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (1743 resets) in 256 ms. (155 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (1765 resets) in 212 ms. (187 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (1792 resets) in 259 ms. (153 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (1808 resets) in 209 ms. (190 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (1767 resets) in 261 ms. (152 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (1781 resets) in 183 ms. (217 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (1821 resets) in 188 ms. (211 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (1787 resets) in 203 ms. (196 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (1845 resets) in 185 ms. (215 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (1779 resets) in 274 ms. (145 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40004 steps (1714 resets) in 201 ms. (198 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (1770 resets) in 204 ms. (195 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40003 steps (1811 resets) in 221 ms. (180 steps per ms) remains 104/104 properties
BEST_FIRST walk for 40002 steps (1828 resets) in 269 ms. (148 steps per ms) remains 103/104 properties
BEST_FIRST walk for 40004 steps (1854 resets) in 241 ms. (165 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1733 resets) in 257 ms. (155 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1843 resets) in 259 ms. (153 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1841 resets) in 208 ms. (191 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1772 resets) in 226 ms. (176 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1756 resets) in 215 ms. (185 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1812 resets) in 214 ms. (186 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40000 steps (1792 resets) in 281 ms. (141 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1781 resets) in 221 ms. (180 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1838 resets) in 205 ms. (194 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1767 resets) in 181 ms. (219 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1755 resets) in 274 ms. (145 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1750 resets) in 297 ms. (134 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1793 resets) in 244 ms. (163 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1811 resets) in 302 ms. (132 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1798 resets) in 281 ms. (141 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1792 resets) in 280 ms. (142 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1849 resets) in 244 ms. (163 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1767 resets) in 334 ms. (119 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1808 resets) in 316 ms. (126 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1794 resets) in 343 ms. (116 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1802 resets) in 258 ms. (154 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1827 resets) in 252 ms. (158 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1856 resets) in 271 ms. (147 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1797 resets) in 223 ms. (178 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1815 resets) in 325 ms. (122 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1786 resets) in 261 ms. (152 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1811 resets) in 218 ms. (182 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1766 resets) in 289 ms. (137 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1788 resets) in 271 ms. (147 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (3706 resets) in 370 ms. (107 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (3875 resets) in 312 ms. (127 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (3928 resets) in 408 ms. (97 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (3767 resets) in 282 ms. (141 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (3712 resets) in 370 ms. (107 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (3672 resets) in 285 ms. (139 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (3849 resets) in 378 ms. (105 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (3817 resets) in 339 ms. (117 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (3810 resets) in 282 ms. (141 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (3747 resets) in 283 ms. (140 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40000 steps (3757 resets) in 379 ms. (105 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (3715 resets) in 275 ms. (144 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (3862 resets) in 353 ms. (113 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (3707 resets) in 284 ms. (140 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (3801 resets) in 352 ms. (113 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (3796 resets) in 292 ms. (136 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (3860 resets) in 341 ms. (116 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (3801 resets) in 273 ms. (145 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (3743 resets) in 283 ms. (140 steps per ms) remains 103/103 properties
Finished probabilistic random walk after 342297 steps, run visited all 103 properties in 4009 ms. (steps per millisecond=85 )
Probabilistic random walk after 342297 steps, saw 138308 distinct states, run finished after 4018 ms. (steps per millisecond=85 ) properties seen :103
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 BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 262082 ms.

BK_STOP 1779491963086

--------------------
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-d2m06"
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-d2m06, 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-177946995200132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m06.tgz
mv DBSingleClientW-PT-d2m06 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 ;