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-177946995200127.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-d2m05, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995200127
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.4K Mar 6 18:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 6 18:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 18:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 6 18:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 08:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 08:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 6 18:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 6 18:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Mar 6 18:22 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 1779491447130

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-d2m05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 23:10:49] [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 23:10:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:10:50] [INFO ] Load time of PNML (sax parser for PT used): 634 ms
[2026-05-22 23:10:50] [INFO ] Transformed 4763 places.
[2026-05-22 23:10:50] [INFO ] Transformed 2478 transitions.
[2026-05-22 23:10:50] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 893 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 159 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-1401619326315119491.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1664472750547643864.kers'
[2026-05-22 23:10:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1401619326315119491.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1664472750547643864.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 23:10:50] [INFO ] Computed 2 invariants in 19 ms
Computed 2 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-1664472750547643864.kers
Total runtime 23 ms.
[2026-05-22 23:10:53] [INFO ] Implicit Places using invariants in 2955 ms returned []
[2026-05-22 23:10:53] [INFO ] Invariant cache hit.
[2026-05-22 23:10:55] [INFO ] State equation strengthened by 1389 read => feed constraints.
[2026-05-22 23:11:27] [INFO ] Performed 828/1137 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 23:11:33] [INFO ] Implicit Places using invariants and state equation in 39404 ms returned []
Implicit Place search using SMT with State Equation took 42432 ms to find 0 implicit places.
Running 2278 sub problems to find dead transitions.
[2026-05-22 23:11:33] [INFO ] Invariant cache hit.
[2026-05-22 23:11:33] [INFO ] State equation strengthened by 1389 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
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 30098 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 30055 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 65348ms problems are : Problem set: 0 solved, 2278 unsolved
Search for dead transitions found 0 dead transitions in 65407ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1137/4763 places, 2279/2478 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 108081 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 23:12:41] [INFO ] Flatten gal took : 663 ms
[2026-05-22 23:12:41] [INFO ] Flatten gal took : 491 ms
[2026-05-22 23:12:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality705755965903598474.gal : 147 ms
[2026-05-22 23:12:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14408361514238316116.prop : 26 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/ReachabilityCardinality705755965903598474.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14408361514238316116.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 ...328
Loading property file /tmp/ReachabilityCardinality14408361514238316116.prop.
RANDOM walk for 40000 steps (9204 resets) in 12062 ms. (3 steps per ms) remains 1064/1133 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (12 resets) in 20 ms. (5 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 40 ms. (2 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (10 resets) in 29 ms. (4 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 40 ms. (2 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 32 ms. (3 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (9 resets) in 39 ms. (3 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 30 ms. (3 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (9 resets) in 15 ms. (7 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (11 resets) in 12 ms. (9 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (11 resets) in 13 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 124 steps (10 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (9 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (10 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (12 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 15 ms. (7 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 124 steps (9 resets) in 12 ms. (9 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (10 resets) in 10 ms. (11 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (10 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 13 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (12 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 10 ms. (11 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 12 ms. (9 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (11 resets) in 13 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 124 steps (9 resets) in 12 ms. (9 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (12 resets) in 10 ms. (11 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 10 ms. (11 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (10 resets) in 10 ms. (11 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (12 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (9 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 12 ms. (9 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 17 ms. (6 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 124 steps (9 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 12 ms. (9 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (9 resets) in 15 ms. (7 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (10 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 14 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 121 steps (12 resets) in 15 ms. (7 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (10 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 122 steps (11 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
BEST_FIRST walk for 123 steps (10 resets) in 11 ms. (10 steps per ms) remains 1064/1064 properties
Probabilistic random walk after 30001 steps, saw 13913 distinct states, run finished after 1665 ms. (steps per millisecond=18 ) properties seen :333
[2026-05-22 23:12:44] [INFO ] Invariant cache hit.
Reachability property qltransition_1835 is true.
[2026-05-22 23:12:45] [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 750/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 731 unsolved in 5029 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: 731/359 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 731 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 750/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 731 unsolved in 5028 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: 372/359 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12309ms problems are : Problem set: 0 solved, 731 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 750 out of 1137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1137/1137 places, 2279/2279 transitions.
Discarding 61 places :
Symmetric choice reduction at 0 with 61 rule applications. Total rules 61 place count 1076 transition count 2080
Iterating global reduction 0 with 61 rules applied. Total rules applied 122 place count 1076 transition count 2080
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 140 place count 1076 transition count 2062
Discarding 41 places :
Symmetric choice reduction at 1 with 41 rule applications. Total rules 181 place count 1035 transition count 2021
Iterating global reduction 1 with 41 rules applied. Total rules applied 222 place count 1035 transition count 2021
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 249 place count 1008 transition count 1987
Iterating global reduction 1 with 27 rules applied. Total rules applied 276 place count 1008 transition count 1987
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 297 place count 1008 transition count 1966
Applied a total of 297 rules in 682 ms. Remains 1008 /1137 variables (removed 129) and now considering 1966/2279 (removed 313) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 684 ms. Remains : 1008/1137 places, 1966/2279 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 312
Reachability property qltransition_1066 is true.
SDD proceeding with computation,1121 properties remain. new max is 512
SDD size :312 after 494
RANDOM walk for 1360611 steps (312268 resets) in 120016 ms. (11 steps per ms) remains 711/731 properties
BEST_FIRST walk for 4002 steps (187 resets) in 161 ms. (24 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (181 resets) in 145 ms. (27 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (180 resets) in 157 ms. (25 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (198 resets) in 153 ms. (25 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4001 steps (192 resets) in 126 ms. (31 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (164 resets) in 167 ms. (23 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (177 resets) in 155 ms. (25 steps per ms) remains 711/711 properties
Reachability property qltransition_2274 is true.
BEST_FIRST walk for 4004 steps (176 resets) in 128 ms. (31 steps per ms) remains 711/711 properties
Reachability property qltransition_2269 is true.
BEST_FIRST walk for 4004 steps (167 resets) in 108 ms. (36 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (174 resets) in 116 ms. (34 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (175 resets) in 114 ms. (34 steps per ms) remains 711/711 properties
Reachability property qltransition_2224 is true.
Reachability property qltransition_2223 is true.
Reachability property qltransition_2222 is true.
Reachability property qltransition_2221 is true.
BEST_FIRST walk for 4002 steps (164 resets) in 105 ms. (37 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (187 resets) in 142 ms. (28 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (183 resets) in 122 ms. (32 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (164 resets) in 146 ms. (27 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (165 resets) in 149 ms. (26 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (190 resets) in 163 ms. (24 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (173 resets) in 150 ms. (26 steps per ms) remains 711/711 properties
Reachability property qltransition_2086 is true.
BEST_FIRST walk for 4004 steps (186 resets) in 122 ms. (32 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (166 resets) in 143 ms. (27 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (174 resets) in 158 ms. (25 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (170 resets) in 154 ms. (25 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (189 resets) in 164 ms. (24 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (185 resets) in 123 ms. (32 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (200 resets) in 127 ms. (31 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (189 resets) in 145 ms. (27 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (166 resets) in 150 ms. (26 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (178 resets) in 151 ms. (26 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (176 resets) in 135 ms. (29 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (199 resets) in 159 ms. (25 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (174 resets) in 141 ms. (28 steps per ms) remains 711/711 properties
Reachability property qltransition_2001 is true.
Reachability property qltransition_2000 is true.
Reachability property qltransition_1999 is true.
BEST_FIRST walk for 4004 steps (179 resets) in 150 ms. (26 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (169 resets) in 116 ms. (34 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4001 steps (188 resets) in 128 ms. (31 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (178 resets) in 143 ms. (27 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (180 resets) in 118 ms. (33 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (183 resets) in 119 ms. (33 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (169 resets) in 115 ms. (34 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (172 resets) in 106 ms. (37 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (181 resets) in 110 ms. (36 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4001 steps (191 resets) in 121 ms. (32 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4002 steps (176 resets) in 108 ms. (36 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (193 resets) in 134 ms. (29 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (183 resets) in 117 ms. (33 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (168 resets) in 102 ms. (38 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (186 resets) in 107 ms. (37 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (196 resets) in 115 ms. (34 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4001 steps (171 resets) in 101 ms. (39 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4004 steps (172 resets) in 102 ms. (38 steps per ms) remains 711/711 properties
BEST_FIRST walk for 4003 steps (164 resets) in 110 ms. (36 steps per ms) remains 711/711 properties
Reachability property qltransition_1812 is true.
Reachability property qltransition_1807 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,1099 properties remain. new max is 512
SDD size :494 after 2192
Reachability property qltransition_2087 is true.
Reachability property qltransition_1624 is true.
SDD proceeding with computation,1097 properties remain. new max is 512
SDD size :2192 after 3314
Probabilistic random walk after 1000001 steps, saw 395653 distinct states, run finished after 21357 ms. (steps per millisecond=46 ) properties seen :606
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9902206631478260869.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14241190868934598964.kers'
[2026-05-22 23:13:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9902206631478260869.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14241190868934598964.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1966 rows 1008 cols 5478 entries
Finished phase 1 with 1004 SingleSign rule and 2 generalized
[2026-05-22 23:13:51] [INFO ] Computed 2 invariants in 16 ms
Computed 2 P flows in 17 ms.
Exported basis to /tmp/petrispot-output-14241190868934598964.kers
Total runtime 19 ms.
[2026-05-22 23:13:51] [INFO ] State equation strengthened by 1160 read => feed constraints.
SDD proceeding with computation,1097 properties remain. new max is 1024
SDD size :3314 after 3992
At refinement iteration 0 (INCLUDED_ONLY) 0/113 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (OVERLAPS) 335/448 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/448 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 3 (OVERLAPS) 240/688 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/688 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/688 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (OVERLAPS) 1070/1758 variables, 688/698 constraints. Problems are: Problem set: 0 solved, 105 unsolved
SDD proceeding with computation,1097 properties remain. new max is 2048
SDD size :3992 after 4784
At refinement iteration 7 (INCLUDED_ONLY) 0/1758 variables, 264/962 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1758 variables, 0/962 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Reachability property qltransition_1617 is true.
SDD proceeding with computation,1096 properties remain. new max is 2048
SDD size :4784 after 7092
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 1166/2924 variables, 295/1257 constraints. Problems are: Problem set: 0 solved, 105 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
SMT process timed out in 45311ms, After SMT, problems are : Problem set: 0 solved, 105 unsolved
Fused 105 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 113 out of 1008 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1008/1008 places, 1966/1966 transitions.
Graph (complete) has 3634 edges and 1008 vertex of which 1007 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 1007 transition count 1949
Discarding 281 places :
Symmetric choice reduction at 1 with 281 rule applications. Total rules 299 place count 726 transition count 1170
Iterating global reduction 1 with 281 rules applied. Total rules applied 580 place count 726 transition count 1170
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 588 place count 726 transition count 1162
Discarding 226 places :
Symmetric choice reduction at 2 with 226 rule applications. Total rules 814 place count 500 transition count 936
Iterating global reduction 2 with 226 rules applied. Total rules applied 1040 place count 500 transition count 936
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1052 place count 500 transition count 924
Discarding 177 places :
Symmetric choice reduction at 3 with 177 rule applications. Total rules 1229 place count 323 transition count 672
Iterating global reduction 3 with 177 rules applied. Total rules applied 1406 place count 323 transition count 672
Ensure Unique test removed 168 transitions
Reduce isomorphic transitions removed 168 transitions.
Iterating post reduction 3 with 168 rules applied. Total rules applied 1574 place count 323 transition count 504
Discarding 20 places :
Symmetric choice reduction at 4 with 20 rule applications. Total rules 1594 place count 303 transition count 473
Iterating global reduction 4 with 20 rules applied. Total rules applied 1614 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 1620 place count 303 transition count 467
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1632 place count 291 transition count 455
Iterating global reduction 5 with 12 rules applied. Total rules applied 1644 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 1645 place count 291 transition count 454
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1656 place count 280 transition count 443
Iterating global reduction 6 with 11 rules applied. Total rules applied 1667 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 1680 place count 280 transition count 430
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1684 place count 276 transition count 404
Iterating global reduction 7 with 4 rules applied. Total rules applied 1688 place count 276 transition count 404
Applied a total of 1688 rules in 238 ms. Remains 276 /1008 variables (removed 732) and now considering 404/1966 (removed 1562) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 238 ms. Remains : 276/1008 places, 404/1966 transitions.
RANDOM walk for 4000000 steps (918448 resets) in 66916 ms. (59 steps per ms) remains 103/105 properties
BEST_FIRST walk for 40003 steps (1749 resets) in 277 ms. (143 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1843 resets) in 231 ms. (172 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1783 resets) in 207 ms. (192 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1787 resets) in 271 ms. (147 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1722 resets) in 220 ms. (181 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1791 resets) in 188 ms. (211 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1846 resets) in 220 ms. (181 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1754 resets) in 238 ms. (167 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1758 resets) in 260 ms. (153 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1748 resets) in 198 ms. (201 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1751 resets) in 192 ms. (207 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1840 resets) in 199 ms. (200 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1752 resets) in 230 ms. (173 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1846 resets) in 217 ms. (183 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1765 resets) in 267 ms. (149 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1752 resets) in 203 ms. (196 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1807 resets) in 254 ms. (156 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1812 resets) in 230 ms. (173 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1783 resets) in 232 ms. (171 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1727 resets) in 265 ms. (150 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1863 resets) in 231 ms. (172 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1798 resets) in 279 ms. (142 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1832 resets) in 260 ms. (153 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1737 resets) in 234 ms. (170 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1775 resets) in 271 ms. (147 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1833 resets) in 290 ms. (137 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1731 resets) in 314 ms. (126 steps per ms) remains 103/103 properties
SDD proceeding with computation,1096 properties remain. new max is 4096
BEST_FIRST walk for 40002 steps (1791 resets) in 231 ms. (172 steps per ms) remains 103/103 properties
SDD size :7092 after 16447
BEST_FIRST walk for 40003 steps (1803 resets) in 261 ms. (152 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1817 resets) in 205 ms. (194 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1783 resets) in 216 ms. (184 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1819 resets) in 187 ms. (212 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1718 resets) in 267 ms. (149 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40004 steps (1793 resets) in 240 ms. (165 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1789 resets) in 267 ms. (149 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1756 resets) in 213 ms. (186 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1804 resets) in 272 ms. (146 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1814 resets) in 221 ms. (180 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1800 resets) in 193 ms. (206 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1808 resets) in 276 ms. (144 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40000 steps (1760 resets) in 227 ms. (175 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (1819 resets) in 182 ms. (218 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1760 resets) in 204 ms. (195 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1742 resets) in 192 ms. (207 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1830 resets) in 230 ms. (173 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (1761 resets) in 190 ms. (209 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1780 resets) in 227 ms. (175 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40003 steps (1783 resets) in 191 ms. (208 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40002 steps (3734 resets) in 383 ms. (104 steps per ms) remains 103/103 properties
BEST_FIRST walk for 40001 steps (3828 resets) in 306 ms. (130 steps per ms) remains 103/103 properties
Finished probabilistic random walk after 342199 steps, run visited all 103 properties in 3746 ms. (steps per millisecond=91 )
Probabilistic random walk after 342199 steps, saw 138246 distinct states, run finished after 3755 ms. (steps per millisecond=91 ) 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 TOPOLOGICAL INITIAL_STATE
Total runtime 252503 ms.

BK_STOP 1779491702247

--------------------
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-d2m05"
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-d2m05, 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-177946995200127"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m05.tgz
mv DBSingleClientW-PT-d2m05 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 ;