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-177946995300238.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 DES-PT-20a, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r088-smll-177946995300238
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 7.0K Mar 6 18:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 18:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 18:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 18:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 6 18:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 177K Mar 6 18:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 18:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 57K 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 StableMarking

=== Now, execution of the tool begins

BK_START 1779495158148

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-20a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-23 00:12:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 00:12:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 00:12:40] [INFO ] Load time of PNML (sax parser for PT used): 136 ms
[2026-05-23 00:12:40] [INFO ] Transformed 195 places.
[2026-05-23 00:12:40] [INFO ] Transformed 152 transitions.
[2026-05-23 00:12:40] [INFO ] Found NUPN structural information;
[2026-05-23 00:12:40] [INFO ] Parsed PT model containing 195 places and 152 transitions and 742 arcs in 316 ms.
Structural test allowed to assert that 44 places are NOT stable. Took 17 ms.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
[2026-05-23 00:12:41] [INFO ] Flatten gal took : 120 ms
RANDOM walk for 40000 steps (902 resets) in 2187 ms. (18 steps per ms) remains 62/151 properties
[2026-05-23 00:12:41] [INFO ] Flatten gal took : 47 ms
BEST_FIRST walk for 4003 steps (15 resets) in 77 ms. (51 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (18 resets) in 50 ms. (78 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (17 resets) in 61 ms. (64 steps per ms) remains 62/62 properties
[2026-05-23 00:12:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2557417989629357978.gal : 39 ms
BEST_FIRST walk for 4004 steps (16 resets) in 70 ms. (56 steps per ms) remains 62/62 properties
[2026-05-23 00:12:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17812316521797791957.prop : 3 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/ReachabilityCardinality2557417989629357978.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17812316521797791957.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4004 steps (19 resets) in 61 ms. (64 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (17 resets) in 57 ms. (69 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (17 resets) in 40 ms. (97 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (16 resets) in 29 ms. (133 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (18 resets) in 37 ms. (105 steps per ms) remains 62/62 properties

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
BEST_FIRST walk for 4004 steps (20 resets) in 50 ms. (78 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (20 resets) in 32 ms. (121 steps per ms) remains 62/62 properties
Loading property file /tmp/ReachabilityCardinality17812316521797791957.prop.
BEST_FIRST walk for 4003 steps (18 resets) in 44 ms. (88 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (16 resets) in 25 ms. (154 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (17 resets) in 36 ms. (108 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (16 resets) in 30 ms. (129 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (14 resets) in 77 ms. (51 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (16 resets) in 34 ms. (114 steps per ms) remains 62/62 properties
SDD proceeding with computation,62 properties remain. new max is 4
SDD size :1 after 3
BEST_FIRST walk for 4003 steps (17 resets) in 35 ms. (111 steps per ms) remains 62/62 properties
SDD proceeding with computation,62 properties remain. new max is 8
SDD size :3 after 5
BEST_FIRST walk for 4004 steps (19 resets) in 30 ms. (129 steps per ms) remains 62/62 properties
SDD proceeding with computation,62 properties remain. new max is 16
BEST_FIRST walk for 4003 steps (17 resets) in 32 ms. (121 steps per ms) remains 62/62 properties
SDD size :5 after 9
SDD proceeding with computation,62 properties remain. new max is 32
BEST_FIRST walk for 4003 steps (17 resets) in 28 ms. (138 steps per ms) remains 62/62 properties
SDD size :9 after 11
BEST_FIRST walk for 4004 steps (17 resets) in 29 ms. (133 steps per ms) remains 62/62 properties
SDD proceeding with computation,62 properties remain. new max is 64
BEST_FIRST walk for 4003 steps (18 resets) in 33 ms. (117 steps per ms) remains 62/62 properties
SDD size :11 after 79
BEST_FIRST walk for 4003 steps (15 resets) in 37 ms. (105 steps per ms) remains 62/62 properties
SDD proceeding with computation,62 properties remain. new max is 128
SDD size :79 after 657
BEST_FIRST walk for 4003 steps (21 resets) in 38 ms. (102 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (19 resets) in 45 ms. (87 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (19 resets) in 29 ms. (133 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (16 resets) in 29 ms. (133 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (18 resets) in 29 ms. (133 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (17 resets) in 18 ms. (210 steps per ms) remains 62/62 properties
SDD proceeding with computation,62 properties remain. new max is 256
SDD size :657 after 1741
BEST_FIRST walk for 4003 steps (14 resets) in 23 ms. (166 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4001 steps (19 resets) in 23 ms. (166 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (16 resets) in 25 ms. (154 steps per ms) remains 62/62 properties
SDD proceeding with computation,62 properties remain. new max is 512
SDD size :1741 after 3697
BEST_FIRST walk for 4003 steps (18 resets) in 56 ms. (70 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (15 resets) in 28 ms. (138 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (18 resets) in 21 ms. (181 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (13 resets) in 33 ms. (117 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (13 resets) in 53 ms. (74 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (16 resets) in 20 ms. (190 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4003 steps (20 resets) in 38 ms. (102 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (20 resets) in 38 ms. (102 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (17 resets) in 32 ms. (121 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (20 resets) in 25 ms. (154 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (18 resets) in 25 ms. (153 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4002 steps (16 resets) in 36 ms. (108 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4001 steps (17 resets) in 21 ms. (181 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (15 resets) in 39 ms. (100 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (19 resets) in 27 ms. (143 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (14 resets) in 26 ms. (148 steps per ms) remains 62/62 properties
BEST_FIRST walk for 4004 steps (18 resets) in 22 ms. (174 steps per ms) remains 62/62 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-412786111929455610.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3746878349860308906.kers'
[2026-05-23 00:12:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-412786111929455610.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3746878349860308906.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 138 rows 194 cols 675 entries
Finished phase 1 with 54 SingleSign rule and 82 generalized
[2026-05-23 00:12:42] [INFO ] Computed 59 invariants in 1 ms
Computed 59 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3746878349860308906.kers
Total runtime 3 ms.
[2026-05-23 00:12:42] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,62 properties remain. new max is 1024
SDD size :3697 after 121029
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 62/62 constraints. Problems are: Problem set: 0 solved, 62 unsolved
SDD proceeding with computation,62 properties remain. new max is 2048
SDD size :121029 after 566989
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (OVERLAPS) 51/113 variables, 8/70 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/113 variables, 51/121 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (OVERLAPS) 56/169 variables, 35/156 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 56/212 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 0/212 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (OVERLAPS) 18/187 variables, 16/228 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/187 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/187 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (OVERLAPS) 137/324 variables, 187/433 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/324 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 62 unsolved
SDD proceeding with computation,62 properties remain. new max is 4096
SDD size :566989 after 1.86423e+06
At refinement iteration 13 (INCLUDED_ONLY) 0/324 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 62 unsolved
SMT process timed out in 5176ms, After SMT, problems are : Problem set: 0 solved, 62 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 62 out of 195 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 195/195 places, 138/138 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 195 transition count 136
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 194 transition count 135
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 194 transition count 135
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 194 transition count 135
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 193 transition count 134
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 192 transition count 134
Applied a total of 10 rules in 175 ms. Remains 192 /195 variables (removed 3) and now considering 134/138 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 213 ms. Remains : 192/195 places, 134/138 transitions.
RANDOM walk for 4000000 steps (54641 resets) in 40950 ms. (97 steps per ms) remains 45/62 properties
BEST_FIRST walk for 400003 steps (878 resets) in 1050 ms. (380 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (881 resets) in 952 ms. (419 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (930 resets) in 1012 ms. (394 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (929 resets) in 1090 ms. (366 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (919 resets) in 1062 ms. (376 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (894 resets) in 1120 ms. (356 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (919 resets) in 1214 ms. (329 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (926 resets) in 996 ms. (401 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (929 resets) in 1063 ms. (375 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400002 steps (908 resets) in 1021 ms. (391 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (904 resets) in 1136 ms. (351 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (902 resets) in 1136 ms. (351 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (900 resets) in 981 ms. (407 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (898 resets) in 1203 ms. (332 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (914 resets) in 1061 ms. (376 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (932 resets) in 1151 ms. (347 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (901 resets) in 1351 ms. (295 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (919 resets) in 1146 ms. (348 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (907 resets) in 1138 ms. (351 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400002 steps (881 resets) in 961 ms. (415 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (901 resets) in 1161 ms. (344 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (893 resets) in 1210 ms. (330 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (892 resets) in 996 ms. (401 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (908 resets) in 1155 ms. (346 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (914 resets) in 1040 ms. (384 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (915 resets) in 1198 ms. (333 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400002 steps (921 resets) in 1152 ms. (346 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (917 resets) in 1055 ms. (378 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (921 resets) in 905 ms. (441 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (911 resets) in 1110 ms. (360 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (919 resets) in 1090 ms. (366 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (909 resets) in 1075 ms. (371 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (918 resets) in 994 ms. (402 steps per ms) remains 45/45 properties
SDD proceeding with computation,62 properties remain. new max is 8192
BEST_FIRST walk for 400003 steps (934 resets) in 1028 ms. (388 steps per ms) remains 45/45 properties
SDD size :1.86423e+06 after 1.48569e+07
BEST_FIRST walk for 400004 steps (928 resets) in 1035 ms. (386 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400002 steps (916 resets) in 1001 ms. (399 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (912 resets) in 944 ms. (423 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400002 steps (885 resets) in 992 ms. (402 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (891 resets) in 981 ms. (407 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400002 steps (898 resets) in 1152 ms. (346 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (912 resets) in 1127 ms. (354 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400002 steps (909 resets) in 1164 ms. (343 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (901 resets) in 1030 ms. (387 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (922 resets) in 1069 ms. (373 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (921 resets) in 898 ms. (444 steps per ms) remains 45/45 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9866999713469995846.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3082431010467672864.kers'
[2026-05-23 00:13:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9866999713469995846.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3082431010467672864.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:13:15] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3082431010467672864.kers
Total runtime 2 ms.
[2026-05-23 00:13:15] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (OVERLAPS) 75/120 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (OVERLAPS) 38/158 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (OVERLAPS) 2/160 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 9/169 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 9 (OVERLAPS) 120/289 variables, 169/224 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 12 (OVERLAPS) 25/314 variables, 11/237 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 4/241 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 15 (OVERLAPS) 1/315 variables, 1/242 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/315 variables, 1/243 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/315 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 18 (OVERLAPS) 11/326 variables, 11/254 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 20 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 45 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 45 unsolved in 4425 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 45 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 1 (OVERLAPS) 75/120 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 3 (OVERLAPS) 38/158 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 5 (OVERLAPS) 2/160 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 7 (OVERLAPS) 9/169 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 9 (OVERLAPS) 120/289 variables, 169/224 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 37/263 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 2/265 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/289 variables, 2/267 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/289 variables, 0/267 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 15 (OVERLAPS) 25/314 variables, 11/278 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/314 variables, 4/282 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/314 variables, 8/290 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/314 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/314 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 20 (OVERLAPS) 1/315 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/315 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/315 variables, 4/297 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/315 variables, 3/300 constraints. Problems are: Problem set: 0 solved, 45 unsolved
SDD proceeding with computation,62 properties remain. new max is 16384
SDD size :4.5513e+07 after 5.12998e+07
At refinement iteration 24 (INCLUDED_ONLY) 0/315 variables, 1/301 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/315 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 26 (OVERLAPS) 11/326 variables, 11/312 constraints. Problems are: Problem set: 0 solved, 45 unsolved
SDD proceeding with computation,62 properties remain. new max is 32768
SDD size :5.12998e+07 after 6.33492e+07
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 1/313 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 0/313 constraints. Problems are: Problem set: 0 solved, 45 unsolved
At refinement iteration 29 (OVERLAPS) 0/326 variables, 3/316 constraints. Problems are: Problem set: 0 solved, 45 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 326/326 variables, and 316 constraints, problems are : Problem set: 0 solved, 45 unsolved in 45011 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 45/45 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49473ms problems are : Problem set: 0 solved, 45 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 45 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 21 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 4000000 steps (54460 resets) in 35254 ms. (113 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (876 resets) in 989 ms. (404 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400003 steps (913 resets) in 1059 ms. (377 steps per ms) remains 45/45 properties
BEST_FIRST walk for 400004 steps (938 resets) in 1133 ms. (352 steps per ms) remains 44/45 properties
BEST_FIRST walk for 400003 steps (911 resets) in 1075 ms. (371 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (886 resets) in 1050 ms. (380 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (922 resets) in 1019 ms. (392 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (895 resets) in 1027 ms. (389 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (930 resets) in 1047 ms. (381 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (907 resets) in 967 ms. (413 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (929 resets) in 1123 ms. (355 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (912 resets) in 1026 ms. (389 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (897 resets) in 1244 ms. (321 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (926 resets) in 1181 ms. (338 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (934 resets) in 1012 ms. (394 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (888 resets) in 1103 ms. (362 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (912 resets) in 957 ms. (417 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (894 resets) in 1053 ms. (379 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (907 resets) in 1081 ms. (369 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (919 resets) in 1097 ms. (364 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (889 resets) in 1105 ms. (361 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (905 resets) in 1037 ms. (385 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (910 resets) in 1068 ms. (374 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (884 resets) in 1044 ms. (382 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (932 resets) in 1015 ms. (393 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (900 resets) in 967 ms. (413 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (936 resets) in 1121 ms. (356 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (906 resets) in 1132 ms. (353 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (907 resets) in 1085 ms. (368 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (886 resets) in 1010 ms. (395 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (916 resets) in 941 ms. (424 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (911 resets) in 1098 ms. (363 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (912 resets) in 1127 ms. (354 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (933 resets) in 1010 ms. (395 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (895 resets) in 881 ms. (453 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (912 resets) in 965 ms. (414 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (928 resets) in 1163 ms. (343 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (906 resets) in 982 ms. (406 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (925 resets) in 1079 ms. (370 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400002 steps (902 resets) in 1156 ms. (345 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (910 resets) in 980 ms. (407 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (923 resets) in 1087 ms. (367 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400003 steps (936 resets) in 963 ms. (414 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (915 resets) in 1133 ms. (352 steps per ms) remains 44/44 properties
BEST_FIRST walk for 400004 steps (909 resets) in 1172 ms. (341 steps per ms) remains 44/44 properties
SDD proceeding with computation,62 properties remain. new max is 65536
SDD size :1.26571e+08 after 1.32568e+08
Interrupted probabilistic random walk after 13276720 steps, run timeout after 78001 ms. (steps per millisecond=170 ) properties seen :0 out of 44
Probabilistic random walk after 13276720 steps, saw 1662402 distinct states, run finished after 78014 ms. (steps per millisecond=170 ) properties seen :0
[2026-05-23 00:15:49] [INFO ] Invariant cache hit.
[2026-05-23 00:15:49] [INFO ] State equation strengthened by 2 read => feed constraints.
SDD proceeding with computation,62 properties remain. new max is 131072
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 76/120 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 38/158 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 2/160 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 9/169 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 44 unsolved
SDD size :1.32568e+08 after 2.19009e+08
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (OVERLAPS) 120/289 variables, 169/224 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/289 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (OVERLAPS) 25/314 variables, 11/237 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/314 variables, 4/241 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/314 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 15 (OVERLAPS) 1/315 variables, 1/242 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/315 variables, 1/243 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/315 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 18 (OVERLAPS) 11/326 variables, 11/254 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 20 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 44 unsolved in 3464 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (OVERLAPS) 76/120 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/120 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 38/158 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/158 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 2/160 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 9/169 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/169 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 10 (OVERLAPS) 120/289 variables, 169/225 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/289 variables, 2/227 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/289 variables, 36/263 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/289 variables, 1/264 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/289 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 15 (OVERLAPS) 25/314 variables, 11/275 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/314 variables, 4/279 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/314 variables, 8/287 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/314 variables, 1/288 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/314 variables, 0/288 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 20 (OVERLAPS) 1/315 variables, 1/289 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/315 variables, 1/290 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/315 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/315 variables, 1/292 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/315 variables, 1/293 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/315 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 26 (OVERLAPS) 11/326 variables, 11/304 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 2/306 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 29 (OVERLAPS) 0/326 variables, 0/306 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 306 constraints, problems are : Problem set: 0 solved, 44 unsolved in 35113 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38597ms problems are : Problem set: 0 solved, 44 unsolved
Parikh walk visited 26 properties in 8499 ms.
Support contains 18 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 19 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 4000000 steps (54570 resets) in 28376 ms. (140 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (924 resets) in 974 ms. (410 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (928 resets) in 823 ms. (485 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (918 resets) in 1109 ms. (360 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (886 resets) in 934 ms. (427 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (879 resets) in 925 ms. (431 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (893 resets) in 1028 ms. (388 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (896 resets) in 847 ms. (471 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (893 resets) in 904 ms. (441 steps per ms) remains 18/18 properties
Invariant property smplace_56 does not hold.
BEST_FIRST walk for 400004 steps (904 resets) in 798 ms. (500 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (868 resets) in 901 ms. (443 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (893 resets) in 1008 ms. (396 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (910 resets) in 937 ms. (426 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (895 resets) in 1038 ms. (384 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (910 resets) in 922 ms. (433 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (898 resets) in 1119 ms. (357 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (915 resets) in 1034 ms. (386 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (914 resets) in 936 ms. (426 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400000 steps (904 resets) in 1025 ms. (389 steps per ms) remains 18/18 properties
Interrupted probabilistic random walk after 6914166 steps, run timeout after 42001 ms. (steps per millisecond=164 ) properties seen :0 out of 18
Probabilistic random walk after 6914166 steps, saw 890791 distinct states, run finished after 42002 ms. (steps per millisecond=164 ) properties seen :0
[2026-05-23 00:17:33] [INFO ] Invariant cache hit.
[2026-05-23 00:17:33] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 96/114 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/114 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 38/152 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 2/154 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 9/163 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 114/277 variables, 163/218 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/277 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/277 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 31/308 variables, 11/231 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/308 variables, 4/235 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/308 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (OVERLAPS) 1/309 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/309 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/309 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (OVERLAPS) 17/326 variables, 17/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 18 unsolved in 1573 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 96/114 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/114 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 38/152 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 2/154 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 9/163 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 114/277 variables, 163/218 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/277 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/277 variables, 16/236 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/277 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (OVERLAPS) 31/308 variables, 11/247 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/308 variables, 4/251 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/308 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/308 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (OVERLAPS) 1/309 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/309 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/309 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/309 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/309 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/309 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 23 (OVERLAPS) 17/326 variables, 17/277 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 278 constraints, problems are : Problem set: 0 solved, 18 unsolved in 6725 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8310ms problems are : Problem set: 0 solved, 18 unsolved
Parikh walk visited 0 properties in 4316 ms.
Support contains 18 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 15 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 19 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:17:45] [INFO ] Invariant cache hit.
[2026-05-23 00:17:46] [INFO ] Implicit Places using invariants in 198 ms returned []
[2026-05-23 00:17:46] [INFO ] Invariant cache hit.
[2026-05-23 00:17:46] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:17:46] [INFO ] Implicit Places using invariants and state equation in 369 ms returned []
Implicit Place search using SMT with State Equation took 581 ms to find 0 implicit places.
[2026-05-23 00:17:46] [INFO ] Redundant transitions in 4 ms returned []
Running 131 sub problems to find dead transitions.
[2026-05-23 00:17:46] [INFO ] Invariant cache hit.
[2026-05-23 00:17:46] [INFO ] State equation strengthened by 2 read => feed constraints.
SDD proceeding with computation,61 properties remain. new max is 131072
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/48 constraints. Problems are: Problem set: 0 solved, 131 unsolved
SDD size :2.19009e+08 after 6.69912e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 131 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/191 variables, 12/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (OVERLAPS) 134/325 variables, 191/251 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 4/257 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 11 (OVERLAPS) 1/326 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/326 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/326 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 14 (OVERLAPS) 0/326 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 131 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 264 constraints, problems are : Problem set: 0 solved, 131 unsolved in 15346 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 131 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/48 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 9/57 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (OVERLAPS) 2/191 variables, 12/69 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (OVERLAPS) 134/325 variables, 191/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 2/263 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 131/394 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 131 unsolved
SMT process timed out in 45432ms, After SMT, problems are : Problem set: 0 solved, 131 unsolved
Search for dead transitions found 0 dead transitions in 45437ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46076 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 400000 steps (5524 resets) in 5045 ms. (79 steps per ms) remains 18/18 properties
Running SMT prover for 18 properties.
[2026-05-23 00:18:33] [INFO ] Invariant cache hit.
[2026-05-23 00:18:33] [INFO ] [Real]Absence check using 39 positive place invariants in 13 ms returned sat
[2026-05-23 00:18:33] [INFO ] [Real]Absence check using 39 positive and 21 generalized place invariants in 14 ms returned sat
[2026-05-23 00:18:33] [INFO ] After 132ms SMT Verify possible using state equation in real domain returned unsat :0 sat :18
[2026-05-23 00:18:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:18:33] [INFO ] After 45ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :18
TRAPS : Iteration 0
[2026-05-23 00:18:34] [INFO ] After 345ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :16 real:2
[2026-05-23 00:18:34] [INFO ] After 679ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :16 real:2
[2026-05-23 00:18:34] [INFO ] [Nat]Absence check using 39 positive place invariants in 12 ms returned sat
[2026-05-23 00:18:34] [INFO ] [Nat]Absence check using 39 positive and 21 generalized place invariants in 17 ms returned sat
[2026-05-23 00:18:34] [INFO ] After 151ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :18
[2026-05-23 00:18:34] [INFO ] After 56ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :18
TRAPS : Iteration 0
[2026-05-23 00:18:34] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 305 ms
TRAPS : Iteration 1
[2026-05-23 00:18:35] [INFO ] After 957ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :18
[2026-05-23 00:18:35] [INFO ] After 1259ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :18
RANDOM walk for 4000000 steps (54523 resets) in 27401 ms. (145 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (919 resets) in 785 ms. (508 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (922 resets) in 893 ms. (447 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (891 resets) in 896 ms. (445 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (898 resets) in 833 ms. (479 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (920 resets) in 935 ms. (427 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (896 resets) in 919 ms. (434 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (900 resets) in 857 ms. (466 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (882 resets) in 964 ms. (414 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (885 resets) in 930 ms. (429 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (885 resets) in 991 ms. (403 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (911 resets) in 827 ms. (483 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (908 resets) in 800 ms. (499 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (924 resets) in 780 ms. (512 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (913 resets) in 973 ms. (410 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (924 resets) in 930 ms. (429 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (923 resets) in 930 ms. (429 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (917 resets) in 907 ms. (440 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (891 resets) in 1052 ms. (379 steps per ms) remains 18/18 properties
Interrupted probabilistic random walk after 7291455 steps, run timeout after 39001 ms. (steps per millisecond=186 ) properties seen :0 out of 18
Probabilistic random walk after 7291455 steps, saw 936338 distinct states, run finished after 39001 ms. (steps per millisecond=186 ) properties seen :0
[2026-05-23 00:19:27] [INFO ] Invariant cache hit.
[2026-05-23 00:19:27] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 96/114 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/114 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 38/152 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 2/154 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 9/163 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 114/277 variables, 163/218 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/277 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/277 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (OVERLAPS) 31/308 variables, 11/231 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/308 variables, 4/235 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/308 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (OVERLAPS) 1/309 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/309 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/309 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (OVERLAPS) 17/326 variables, 17/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 18 unsolved in 1458 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 96/114 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/114 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 38/152 variables, 33/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/152 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 2/154 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/154 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 9/163 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/163 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 114/277 variables, 163/218 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/277 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/277 variables, 16/236 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/277 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (OVERLAPS) 31/308 variables, 11/247 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/308 variables, 4/251 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/308 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/308 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (OVERLAPS) 1/309 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/309 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/309 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/309 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/309 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/309 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 23 (OVERLAPS) 17/326 variables, 17/277 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 1/278 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/278 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 278 constraints, problems are : Problem set: 0 solved, 18 unsolved in 7393 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8877ms problems are : Problem set: 0 solved, 18 unsolved
Parikh walk visited 0 properties in 4359 ms.
Support contains 18 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 9 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 9 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:19:41] [INFO ] Invariant cache hit.
[2026-05-23 00:19:41] [INFO ] Implicit Places using invariants in 173 ms returned []
[2026-05-23 00:19:41] [INFO ] Invariant cache hit.
[2026-05-23 00:19:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:19:41] [INFO ] Implicit Places using invariants and state equation in 380 ms returned []
Implicit Place search using SMT with State Equation took 556 ms to find 0 implicit places.
[2026-05-23 00:19:41] [INFO ] Redundant transitions in 4 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 576 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 400000 steps (5426 resets) in 2981 ms. (134 steps per ms) remains 18/18 properties
Running SMT prover for 18 properties.
[2026-05-23 00:19:42] [INFO ] Invariant cache hit.
[2026-05-23 00:19:42] [INFO ] [Real]Absence check using 39 positive place invariants in 11 ms returned sat
[2026-05-23 00:19:42] [INFO ] [Real]Absence check using 39 positive and 21 generalized place invariants in 23 ms returned sat
[2026-05-23 00:19:42] [INFO ] After 129ms SMT Verify possible using state equation in real domain returned unsat :0 sat :18
[2026-05-23 00:19:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:19:42] [INFO ] After 38ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :18
TRAPS : Iteration 0
[2026-05-23 00:19:43] [INFO ] After 337ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :16 real:2
[2026-05-23 00:19:43] [INFO ] After 631ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :16 real:2
[2026-05-23 00:19:43] [INFO ] [Nat]Absence check using 39 positive place invariants in 14 ms returned sat
[2026-05-23 00:19:43] [INFO ] [Nat]Absence check using 39 positive and 21 generalized place invariants in 22 ms returned sat
[2026-05-23 00:19:43] [INFO ] After 194ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :18
[2026-05-23 00:19:43] [INFO ] After 75ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :18
TRAPS : Iteration 0
[2026-05-23 00:19:44] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 417 ms
TRAPS : Iteration 1
[2026-05-23 00:19:44] [INFO ] After 1361ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :18
[2026-05-23 00:19:44] [INFO ] After 1756ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :18
RANDOM walk for 40000 steps (546 resets) in 153 ms. (259 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (89 resets) in 84 ms. (470 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1365664 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1365664 steps, saw 191006 distinct states, run finished after 3005 ms. (steps per millisecond=454 ) properties seen :0
[2026-05-23 00:19:48] [INFO ] Invariant cache hit.
[2026-05-23 00:19:48] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 249 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 111/272 variables, 161/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/283 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/283 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1/284 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/284 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/284 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 22/306 variables, 2/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/306 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/306 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 20/326 variables, 20/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/326 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 259 constraints, problems are : Problem set: 0 solved, 1 unsolved in 914 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 13656 steps, including 44 resets, run visited all 1 properties in 33 ms. (steps per millisecond=413 )
Parikh walk visited 1 properties in 45 ms.
RANDOM walk for 40000 steps (535 resets) in 254 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (88 resets) in 80 ms. (493 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1432589 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1432589 steps, saw 200039 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2026-05-23 00:19:52] [INFO ] Invariant cache hit.
[2026-05-23 00:19:52] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 273 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/283 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/283 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/284 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 22/306 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/306 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 20/326 variables, 20/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/326 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 257 constraints, problems are : Problem set: 0 solved, 1 unsolved in 611 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 898ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 23516 steps, including 73 resets, run visited all 1 properties in 108 ms. (steps per millisecond=217 )
Parikh walk visited 1 properties in 109 ms.
RANDOM walk for 40000 steps (553 resets) in 138 ms. (287 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (86 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1436502 steps, run timeout after 3001 ms. (steps per millisecond=478 ) properties seen :0 out of 1
Probabilistic random walk after 1436502 steps, saw 200560 distinct states, run finished after 3006 ms. (steps per millisecond=477 ) properties seen :0
[2026-05-23 00:19:56] [INFO ] Invariant cache hit.
[2026-05-23 00:19:56] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 246 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/283 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 22/306 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 20/326 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 447 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 714ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 315 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 28 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (567 resets) in 163 ms. (243 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (93 resets) in 70 ms. (563 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1458498 steps, run timeout after 3001 ms. (steps per millisecond=486 ) properties seen :0 out of 1
Probabilistic random walk after 1458498 steps, saw 203642 distinct states, run finished after 3004 ms. (steps per millisecond=485 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1427301759578246907.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13236715457104187202.kers'
[2026-05-23 00:20:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1427301759578246907.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13236715457104187202.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:20:00] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-13236715457104187202.kers
Total runtime 2 ms.
[2026-05-23 00:20:00] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/148 variables, 33/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/150 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/160 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/161 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/148 variables, 33/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/150 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/160 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/161 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/284 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/284 variables, 2/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/285 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/285 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/285 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/285 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 22/307 variables, 3/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/307 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/307 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 19/326 variables, 19/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/326 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 259 constraints, problems are : Problem set: 0 solved, 1 unsolved in 862 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1192ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 213 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 13 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 11 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:20:02] [INFO ] Invariant cache hit.
[2026-05-23 00:20:02] [INFO ] Implicit Places using invariants in 275 ms returned []
[2026-05-23 00:20:02] [INFO ] Invariant cache hit.
[2026-05-23 00:20:02] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:20:02] [INFO ] Implicit Places using invariants and state equation in 464 ms returned []
Implicit Place search using SMT with State Equation took 747 ms to find 0 implicit places.
[2026-05-23 00:20:02] [INFO ] Redundant transitions in 4 ms returned []
Running 131 sub problems to find dead transitions.
[2026-05-23 00:20:02] [INFO ] Invariant cache hit.
[2026-05-23 00:20:02] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/49 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 131 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/191 variables, 11/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (OVERLAPS) 134/325 variables, 191/251 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (OVERLAPS) 1/326 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 12 (OVERLAPS) 0/326 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/326 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 14 (OVERLAPS) 0/326 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 261 constraints, problems are : Problem set: 0 solved, 131 unsolved in 15878 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 131 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/49 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (OVERLAPS) 2/191 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (OVERLAPS) 134/325 variables, 191/259 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 131/392 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 2/394 constraints. Problems are: Problem set: 0 solved, 131 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 325/326 variables, and 394 constraints, problems are : Problem set: 0 solved, 131 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 191/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45944ms problems are : Problem set: 0 solved, 131 unsolved
Search for dead transitions found 0 dead transitions in 45949ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46720 ms. Remains : 192/192 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 24 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1530537880844806250.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17271798475477273178.kers'
[2026-05-23 00:20:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1530537880844806250.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17271798475477273178.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 516 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:20:48] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-17271798475477273178.kers
Total runtime 12 ms.
[2026-05-23 00:20:48] [INFO ] After 71ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 00:20:48] [INFO ] [Nat]Absence check using 40 positive place invariants in 13 ms returned sat
[2026-05-23 00:20:49] [INFO ] [Nat]Absence check using 40 positive and 20 generalized place invariants in 21 ms returned sat
[2026-05-23 00:20:49] [INFO ] After 106ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 00:20:49] [INFO ] After 122ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 00:20:49] [INFO ] After 228ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 364 ms.
RANDOM walk for 40000 steps (543 resets) in 143 ms. (277 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (87 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1368034 steps, run timeout after 3001 ms. (steps per millisecond=455 ) properties seen :0 out of 1
Probabilistic random walk after 1368034 steps, saw 191318 distinct states, run finished after 3001 ms. (steps per millisecond=455 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5423666894176501564.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18376329574197556422.kers'
[2026-05-23 00:20:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5423666894176501564.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18376329574197556422.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:20:52] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-18376329574197556422.kers
Total runtime 1 ms.
[2026-05-23 00:20:52] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 317 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/283 variables, 8/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 22/306 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 20/326 variables, 20/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 646 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 992ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 77720 steps, including 610 resets, run visited all 1 properties in 188 ms. (steps per millisecond=413 )
Parikh walk visited 1 properties in 188 ms.
RANDOM walk for 40000 steps (547 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (86 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1372582 steps, run timeout after 3001 ms. (steps per millisecond=457 ) properties seen :0 out of 1
Probabilistic random walk after 1372582 steps, saw 191906 distinct states, run finished after 3001 ms. (steps per millisecond=457 ) properties seen :0
[2026-05-23 00:20:56] [INFO ] Invariant cache hit.
[2026-05-23 00:20:56] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 268 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/283 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 22/306 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 20/326 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 731 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1008ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 19426 steps, including 110 resets, run visited all 1 properties in 49 ms. (steps per millisecond=396 )
Parikh walk visited 1 properties in 50 ms.
RANDOM walk for 40000 steps (536 resets) in 188 ms. (211 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (92 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1370425 steps, run timeout after 3001 ms. (steps per millisecond=456 ) properties seen :0 out of 1
Probabilistic random walk after 1370425 steps, saw 191652 distinct states, run finished after 3001 ms. (steps per millisecond=456 ) properties seen :0
[2026-05-23 00:21:00] [INFO ] Invariant cache hit.
[2026-05-23 00:21:00] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 17/161 variables, 17/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 244 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 86/87 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/87 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/109 variables, 16/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 33/144 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/144 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/144 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 17/161 variables, 17/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 111/272 variables, 161/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/283 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 22/306 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 20/326 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 379 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 628ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 758 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=252 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (545 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1409626 steps, run timeout after 3001 ms. (steps per millisecond=469 ) properties seen :0 out of 1
Probabilistic random walk after 1409626 steps, saw 196980 distinct states, run finished after 3001 ms. (steps per millisecond=469 ) properties seen :0
[2026-05-23 00:21:04] [INFO ] Invariant cache hit.
[2026-05-23 00:21:04] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/150 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/160 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/161 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 217 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/150 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/160 variables, 10/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/161 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/161 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 111/272 variables, 161/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/272 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/283 variables, 8/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/283 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/284 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 22/306 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/306 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 20/326 variables, 20/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/326 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 257 constraints, problems are : Problem set: 0 solved, 1 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 695ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 56597 steps, including 331 resets, run visited all 1 properties in 131 ms. (steps per millisecond=432 )
Parikh walk visited 1 properties in 130 ms.
RANDOM walk for 40000 steps (558 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1432301 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1432301 steps, saw 199995 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2026-05-23 00:21:08] [INFO ] Invariant cache hit.
[2026-05-23 00:21:08] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/150 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/160 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/161 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/150 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/160 variables, 10/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/161 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/161 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 111/272 variables, 161/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/272 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/283 variables, 8/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/283 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/283 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1/284 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/284 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/284 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 22/306 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/306 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/306 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 20/326 variables, 20/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 541 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 842ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 288 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 23 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (540 resets) in 216 ms. (184 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (86 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1221596 steps, run timeout after 3001 ms. (steps per millisecond=407 ) properties seen :0 out of 1
Probabilistic random walk after 1221596 steps, saw 171047 distinct states, run finished after 3001 ms. (steps per millisecond=407 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-756982454335935884.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2539378360568913999.kers'
[2026-05-23 00:21:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-756982454335935884.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2539378360568913999.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:21:12] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2539378360568913999.kers
Total runtime 1 ms.
[2026-05-23 00:21:12] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 108/109 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/150 variables, 34/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/152 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/161 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 233 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 108/109 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/150 variables, 34/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/152 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/152 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/161 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/161 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 111/272 variables, 161/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/272 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 553 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 794ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 899 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=224 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (560 resets) in 193 ms. (206 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (90 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1292447 steps, run timeout after 3001 ms. (steps per millisecond=430 ) properties seen :0 out of 1
Probabilistic random walk after 1292447 steps, saw 179874 distinct states, run finished after 3004 ms. (steps per millisecond=430 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17195134728920790962.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5716379573304675324.kers'
[2026-05-23 00:21:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17195134728920790962.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5716379573304675324.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:21:16] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5716379573304675324.kers
Total runtime 2 ms.
[2026-05-23 00:21:16] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/150 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/160 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/161 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/150 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/160 variables, 10/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/161 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/161 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 111/272 variables, 161/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/272 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/283 variables, 8/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/283 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/283 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 1/284 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/284 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/284 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 22/306 variables, 2/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/306 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/306 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 20/326 variables, 20/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 258 constraints, problems are : Problem set: 0 solved, 1 unsolved in 720 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 947ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 299 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 19 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (552 resets) in 197 ms. (202 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (85 resets) in 81 ms. (487 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1253298 steps, run timeout after 3001 ms. (steps per millisecond=417 ) properties seen :0 out of 1
Probabilistic random walk after 1253298 steps, saw 175216 distinct states, run finished after 3001 ms. (steps per millisecond=417 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13254438383361728668.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5452802878128854314.kers'
[2026-05-23 00:21:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13254438383361728668.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5452802878128854314.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:21:20] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5452802878128854314.kers
Total runtime 2 ms.
[2026-05-23 00:21:20] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 108/109 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/150 variables, 34/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/152 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/161 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 220 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 108/109 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/109 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/150 variables, 34/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/152 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/152 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/161 variables, 9/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/161 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 111/272 variables, 161/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/272 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 492 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 722ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 887 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=221 )
Parikh walk visited 1 properties in 3 ms.
RANDOM walk for 40000 steps (544 resets) in 194 ms. (205 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1291763 steps, run timeout after 3001 ms. (steps per millisecond=430 ) properties seen :0 out of 1
Probabilistic random walk after 1291763 steps, saw 179799 distinct states, run finished after 3001 ms. (steps per millisecond=430 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2250587680259379608.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2151540621451911856.kers'
[2026-05-23 00:21:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2250587680259379608.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2151540621451911856.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:21:24] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2151540621451911856.kers
Total runtime 2 ms.
[2026-05-23 00:21:24] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/150 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/160 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/161 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 224 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/150 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/160 variables, 10/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/161 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/161 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 111/272 variables, 161/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 2/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 1/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/272 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/283 variables, 8/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/283 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 1/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/284 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 22/306 variables, 2/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/306 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 20/326 variables, 20/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/326 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 257 constraints, problems are : Problem set: 0 solved, 1 unsolved in 490 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 738ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 785 steps, including 1 resets, run visited all 1 properties in 3 ms. (steps per millisecond=261 )
Parikh walk visited 1 properties in 2 ms.
RANDOM walk for 40000 steps (552 resets) in 158 ms. (251 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1276586 steps, run timeout after 3001 ms. (steps per millisecond=425 ) properties seen :0 out of 1
Probabilistic random walk after 1276586 steps, saw 178026 distinct states, run finished after 3001 ms. (steps per millisecond=425 ) properties seen :0
[2026-05-23 00:21:28] [INFO ] Invariant cache hit.
[2026-05-23 00:21:28] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/150 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/160 variables, 10/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/161 variables, 1/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 236 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 106/107 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/107 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/148 variables, 32/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/148 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/148 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/150 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/160 variables, 10/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/161 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 111/272 variables, 161/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/283 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 22/306 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 20/326 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 434 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 703ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 54161 steps, including 208 resets, run visited all 1 properties in 124 ms. (steps per millisecond=436 )
Parikh walk visited 1 properties in 123 ms.
RANDOM walk for 40000 steps (543 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (95 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1368965 steps, run timeout after 3001 ms. (steps per millisecond=456 ) properties seen :0 out of 1
Probabilistic random walk after 1368965 steps, saw 191465 distinct states, run finished after 3001 ms. (steps per millisecond=456 ) properties seen :0
[2026-05-23 00:21:32] [INFO ] Invariant cache hit.
[2026-05-23 00:21:32] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/25 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 23/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/49 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 11/60 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/60 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/64 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/64 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 101/165 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/165 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 33/198 variables, 28/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/198 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/200 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/200 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 16/216 variables, 11/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/216 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 3/219 variables, 3/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/219 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 107/326 variables, 161/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 2/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/25 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 23/48 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 11/60 variables, 6/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/64 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/64 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 101/165 variables, 10/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/165 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 33/198 variables, 28/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/198 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/200 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/200 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 16/216 variables, 11/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/216 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/216 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 3/219 variables, 3/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/219 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 107/326 variables, 161/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/326 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/326 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 32 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 384 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 651ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 135 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 6 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (537 resets) in 142 ms. (279 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (97 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1379171 steps, run timeout after 3001 ms. (steps per millisecond=459 ) properties seen :0 out of 1
Probabilistic random walk after 1379171 steps, saw 192717 distinct states, run finished after 3001 ms. (steps per millisecond=459 ) properties seen :0
[2026-05-23 00:21:36] [INFO ] Invariant cache hit.
[2026-05-23 00:21:36] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/25 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 23/48 variables, 20/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/49 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 11/60 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/60 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/64 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/64 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 101/165 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/165 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 33/198 variables, 28/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/198 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/200 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/200 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 16/216 variables, 11/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/216 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 3/219 variables, 3/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/219 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 107/326 variables, 161/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 2/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 231 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/25 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 23/48 variables, 20/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 11/60 variables, 6/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/64 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/64 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 101/165 variables, 10/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/165 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 33/198 variables, 28/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/198 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/200 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/200 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 16/216 variables, 11/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/216 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/216 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 3/219 variables, 3/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/219 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 107/326 variables, 161/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/326 variables, 1/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/326 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 32 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 380 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 632ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 131 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 6 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 6 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:21:36] [INFO ] Invariant cache hit.
[2026-05-23 00:21:37] [INFO ] Implicit Places using invariants in 214 ms returned []
[2026-05-23 00:21:37] [INFO ] Invariant cache hit.
[2026-05-23 00:21:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:21:37] [INFO ] Implicit Places using invariants and state equation in 442 ms returned []
Implicit Place search using SMT with State Equation took 685 ms to find 0 implicit places.
[2026-05-23 00:21:37] [INFO ] Redundant transitions in 4 ms returned []
Running 131 sub problems to find dead transitions.
[2026-05-23 00:21:37] [INFO ] Invariant cache hit.
[2026-05-23 00:21:37] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/48 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 131 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/191 variables, 12/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (OVERLAPS) 134/325 variables, 191/251 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 4/257 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 2/260 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 11 (OVERLAPS) 1/326 variables, 1/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/326 variables, 3/264 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/326 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 14 (OVERLAPS) 0/326 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 131 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 264 constraints, problems are : Problem set: 0 solved, 131 unsolved in 14702 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 131 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/48 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 9/57 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (OVERLAPS) 2/191 variables, 12/69 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/70 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (OVERLAPS) 134/325 variables, 191/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 2/263 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 131/394 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 0/394 constraints. Problems are: Problem set: 0 solved, 131 unsolved
SMT process timed out in 44759ms, After SMT, problems are : Problem set: 0 solved, 131 unsolved
Search for dead transitions found 0 dead transitions in 44760ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45467 ms. Remains : 192/192 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 11 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Running SMT prover for 1 properties.
[2026-05-23 00:22:22] [INFO ] Invariant cache hit.
[2026-05-23 00:22:22] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 00:22:22] [INFO ] [Nat]Absence check using 39 positive place invariants in 13 ms returned sat
[2026-05-23 00:22:22] [INFO ] [Nat]Absence check using 39 positive and 21 generalized place invariants in 16 ms returned sat
[2026-05-23 00:22:22] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 00:22:22] [INFO ] After 115ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 00:22:22] [INFO ] After 206ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 274 ms.
RANDOM walk for 40000 steps (554 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1413088 steps, run timeout after 3001 ms. (steps per millisecond=470 ) properties seen :0 out of 1
Probabilistic random walk after 1413088 steps, saw 197470 distinct states, run finished after 3001 ms. (steps per millisecond=470 ) properties seen :0
[2026-05-23 00:22:25] [INFO ] Invariant cache hit.
[2026-05-23 00:22:25] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/26 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/48 variables, 19/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/49 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 11/60 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/60 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/64 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/64 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 101/165 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/165 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 33/198 variables, 28/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/198 variables, 0/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 2/200 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/200 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 16/216 variables, 11/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/216 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 3/219 variables, 3/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/219 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 107/326 variables, 161/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 2/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 228 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/26 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/48 variables, 19/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 11/60 variables, 6/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/64 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/64 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 101/165 variables, 10/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/165 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 33/198 variables, 28/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/198 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 2/200 variables, 1/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/200 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 16/216 variables, 11/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/216 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 3/219 variables, 3/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/219 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 107/326 variables, 161/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/326 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 31 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 283 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 520ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 120 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 12 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (538 resets) in 182 ms. (218 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (95 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1409877 steps, run timeout after 3001 ms. (steps per millisecond=469 ) properties seen :0 out of 1
Probabilistic random walk after 1409877 steps, saw 197008 distinct states, run finished after 3003 ms. (steps per millisecond=469 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17680243365324152253.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2046392632076073916.kers'
[2026-05-23 00:22:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17680243365324152253.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2046392632076073916.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:22:29] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2046392632076073916.kers
Total runtime 2 ms.
[2026-05-23 00:22:29] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/26 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/48 variables, 19/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/48 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/49 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 11/60 variables, 6/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/60 variables, 2/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 4/64 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/64 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 105/169 variables, 10/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/169 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 36/205 variables, 30/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/205 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 11/216 variables, 10/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/216 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/219 variables, 3/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/219 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 107/326 variables, 161/251 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 1/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 2/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 342 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/26 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/26 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 22/48 variables, 19/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/48 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/49 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/49 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/49 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 11/60 variables, 6/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/60 variables, 2/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/64 variables, 2/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/64 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 105/169 variables, 10/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/169 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 36/205 variables, 30/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/205 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 11/216 variables, 10/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/216 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 3/219 variables, 3/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/219 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 107/326 variables, 161/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 1/253 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/326 variables, 2/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 669ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 556 steps, including 1 resets, run visited all 1 properties in 4 ms. (steps per millisecond=139 )
Parikh walk visited 1 properties in 4 ms.
RANDOM walk for 40000 steps (553 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (92 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1252520 steps, run timeout after 3001 ms. (steps per millisecond=417 ) properties seen :0 out of 1
Probabilistic random walk after 1252520 steps, saw 175086 distinct states, run finished after 3006 ms. (steps per millisecond=416 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7728140273132022015.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18376259936880875246.kers'
[2026-05-23 00:22:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7728140273132022015.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18376259936880875246.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:22:33] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18376259936880875246.kers
Total runtime 2 ms.
[2026-05-23 00:22:33] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 218 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/283 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/306 variables, 2/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 20/326 variables, 20/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 386 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 617ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 243 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 20 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (545 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (91 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1170200 steps, run timeout after 3001 ms. (steps per millisecond=389 ) properties seen :0 out of 1
Probabilistic random walk after 1170200 steps, saw 164006 distinct states, run finished after 3001 ms. (steps per millisecond=389 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10614888835938982630.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9347384349534769966.kers'
[2026-05-23 00:22:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10614888835938982630.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9347384349534769966.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:22:37] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9347384349534769966.kers
Total runtime 2 ms.
[2026-05-23 00:22:37] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 222 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/284 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/284 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/285 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/307 variables, 3/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/307 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 19/326 variables, 19/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 308 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 543ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 189 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 8 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 7 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:22:37] [INFO ] Invariant cache hit.
[2026-05-23 00:22:38] [INFO ] Implicit Places using invariants in 236 ms returned []
[2026-05-23 00:22:38] [INFO ] Invariant cache hit.
[2026-05-23 00:22:38] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:22:38] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 545 ms to find 0 implicit places.
[2026-05-23 00:22:38] [INFO ] Redundant transitions in 2 ms returned []
Running 131 sub problems to find dead transitions.
[2026-05-23 00:22:38] [INFO ] Invariant cache hit.
[2026-05-23 00:22:38] [INFO ] State equation strengthened by 2 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/49 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 131 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/191 variables, 11/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/191 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (OVERLAPS) 134/325 variables, 191/251 constraints. Problems are: Problem set: 0 solved, 131 unsolved
Detected timeout of ITS tools.
At refinement iteration 6 (INCLUDED_ONLY) 0/325 variables, 2/253 constraints. Problems are: Problem set: 0 solved, 131 unsolved
[2026-05-23 00:22:42] [INFO ] Flatten gal took : 36 ms
[2026-05-23 00:22:42] [INFO ] Applying decomposition
[2026-05-23 00:22:42] [INFO ] Flatten gal took : 31 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2876034021340849204.txt' '-o' '/tmp/graph2876034021340849204.bin' '-w' '/tmp/graph2876034021340849204.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2876034021340849204.bin' '-l' '-1' '-v' '-w' '/tmp/graph2876034021340849204.weights' '-q' '0' '-e' '0.001'
[2026-05-23 00:22:42] [INFO ] Decomposing Gal with order
[2026-05-23 00:22:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 00:22:42] [INFO ] Removed a total of 30 redundant transitions.
[2026-05-23 00:22:42] [INFO ] Flatten gal took : 148 ms
[2026-05-23 00:22:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 19 labels/synchronizations in 22 ms.
[2026-05-23 00:22:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16331365007911111932.gal : 13 ms
[2026-05-23 00:22:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5236254101838957525.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16331365007911111932.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5236254101838957525.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality5236254101838957525.prop.
SDD proceeding with computation,18 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,18 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,18 properties remain. new max is 16
SDD size :5 after 9
SDD proceeding with computation,18 properties remain. new max is 32
SDD size :9 after 14535
SDD proceeding with computation,18 properties remain. new max is 64
SDD size :14535 after 2.89198e+08
SDD proceeding with computation,18 properties remain. new max is 128
SDD size :2.89198e+08 after 4.76006e+08
SDD proceeding with computation,18 properties remain. new max is 256
SDD size :4.76006e+08 after 7.87354e+08
At refinement iteration 7 (INCLUDED_ONLY) 0/325 variables, 3/256 constraints. Problems are: Problem set: 0 solved, 131 unsolved
Invariant property smplace_43 does not hold.
Invariant property smplace_42 does not hold.
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :1.16375e+11 after 3.63638e+11
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :2.55367e+12 after 2.61661e+12
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 131 unsolved
Invariant property smplace_66 does not hold.
Invariant property smplace_65 does not hold.
Invariant property smplace_64 does not hold.
Invariant property smplace_63 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_24 does not hold.
Invariant property smplace_23 does not hold.
Invariant property smplace_7 does not hold.
Invariant property smplace_6 does not hold.
Invariant property smplace_5 does not hold.
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :5.76933e+12 after 6.22871e+12
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 131 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,7.96935e+12,5.47921,102996,12354,1330,183517,6237,344,425685,232,31063,0
Total reachable state count : 7969347823493

Verifying 18 reachability properties.
Invariant property smplace_2 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_2,739648,5.49321,103132,153,182,183517,6237,347,425685,235,31063,0
Invariant property smplace_3 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_3,7.6e+08,5.4979,103252,138,219,183517,6237,350,425685,237,31063,0
Invariant property smplace_4 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_4,7.6e+08,5.50042,103252,138,226,183517,6237,353,425685,239,31063,0
Invariant property smplace_5 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_5,347508,5.50313,103252,144,230,183517,6237,359,425685,242,31063,0
Invariant property smplace_6 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_6,481152,5.50571,103252,144,239,183517,6237,363,425685,242,31063,0
Invariant property smplace_7 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_7,481152,5.5081,103252,144,244,183517,6237,367,425685,242,31063,0
Invariant property smplace_22 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_22,2.15814e+11,5.51074,103252,2169,361,183517,6237,369,425685,244,31063,0
Invariant property smplace_23 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_23,7.91458e+10,5.51272,103252,1556,374,183517,6237,371,425685,244,31063,0
Invariant property smplace_24 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_24,5.97206e+09,5.51378,103252,605,346,183517,6237,373,425685,244,31063,0
Invariant property smplace_25 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_25,5.97206e+09,5.51475,103252,604,344,183517,6237,375,425685,244,31063,0
Invariant property smplace_26 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_26,5.97206e+09,5.51565,103252,604,335,183517,6237,379,425685,247,31063,0
Invariant property smplace_42 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_42,5.91146e+06,5.51606,103252,122,132,183517,6237,381,425685,247,31063,0
Invariant property smplace_43 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_43,5.91146e+06,5.51652,103252,122,130,183517,6237,383,425685,247,31063,0
Invariant property smplace_62 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_62,3.46421e+06,5.51978,103252,76,111,183517,6237,387,425685,247,31063,0
Invariant property smplace_63 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_63,224,5.52274,103252,76,105,183517,6237,389,425685,247,31063,0
Invariant property smplace_64 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_64,224,5.52562,103252,76,106,183517,6237,393,425685,247,31063,0
Invariant property smplace_65 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_65,224,5.52836,103252,76,96,183517,6237,395,425685,247,31063,0
Invariant property smplace_66 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
smplace\_66,1792,5.53106,103252,86,114,183517,6237,399,425685,247,31063,0
At refinement iteration 10 (OVERLAPS) 1/326 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/326 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 12 (OVERLAPS) 0/326 variables, 3/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/326 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 14 (OVERLAPS) 0/326 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 261 constraints, problems are : Problem set: 0 solved, 131 unsolved in 18484 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 131 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/189 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/189 variables, 9/49 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/189 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 4 (OVERLAPS) 2/191 variables, 11/67 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 7 (OVERLAPS) 134/325 variables, 191/259 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/325 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/325 variables, 131/392 constraints. Problems are: Problem set: 0 solved, 131 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/325 variables, 2/394 constraints. Problems are: Problem set: 0 solved, 131 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 325/326 variables, and 394 constraints, problems are : Problem set: 0 solved, 131 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 191/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 131/131 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48526ms problems are : Problem set: 0 solved, 131 unsolved
Search for dead transitions found 0 dead transitions in 48527ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49089 ms. Remains : 192/192 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 18 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9681200538152765548.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1286416529172719790.kers'
[2026-05-23 00:23:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9681200538152765548.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1286416529172719790.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 516 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:26] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1286416529172719790.kers
Total runtime 2 ms.
[2026-05-23 00:23:26] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 00:23:27] [INFO ] [Nat]Absence check using 40 positive place invariants in 15 ms returned sat
[2026-05-23 00:23:27] [INFO ] [Nat]Absence check using 40 positive and 20 generalized place invariants in 19 ms returned sat
[2026-05-23 00:23:27] [INFO ] After 112ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 00:23:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 84 ms
TRAPS : Iteration 1
[2026-05-23 00:23:27] [INFO ] After 219ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 00:23:27] [INFO ] After 321ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 403 ms.
RANDOM walk for 40000 steps (545 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (84 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1328177 steps, run timeout after 3001 ms. (steps per millisecond=442 ) properties seen :0 out of 1
Probabilistic random walk after 1328177 steps, saw 185427 distinct states, run finished after 3001 ms. (steps per millisecond=442 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14106626407351126461.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10406408545592892351.kers'
[2026-05-23 00:23:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14106626407351126461.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10406408545592892351.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:23:30] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-10406408545592892351.kers
Total runtime 2 ms.
[2026-05-23 00:23:30] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 224 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/283 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/306 variables, 2/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 20/326 variables, 20/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 321 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 558ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 147 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 11 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (534 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (91 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1414346 steps, run timeout after 3001 ms. (steps per millisecond=471 ) properties seen :0 out of 1
Probabilistic random walk after 1414346 steps, saw 197662 distinct states, run finished after 3001 ms. (steps per millisecond=471 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11437597342574633217.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8833866128514968347.kers'
[2026-05-23 00:23:34] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11437597342574633217.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8833866128514968347.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:34] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8833866128514968347.kers
Total runtime 2 ms.
[2026-05-23 00:23:34] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 232 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/284 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/284 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/285 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/307 variables, 3/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/307 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 19/326 variables, 19/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 558ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 149 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 6 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 6 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:23:34] [INFO ] Invariant cache hit.
[2026-05-23 00:23:35] [INFO ] Implicit Places using invariants in 268 ms returned []
[2026-05-23 00:23:35] [INFO ] Invariant cache hit.
[2026-05-23 00:23:35] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:23:35] [INFO ] Implicit Places using invariants and state equation in 525 ms returned []
Implicit Place search using SMT with State Equation took 796 ms to find 0 implicit places.
[2026-05-23 00:23:35] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 809 ms. Remains : 192/192 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 11 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13941312214048242757.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6823169038712545956.kers'
[2026-05-23 00:23:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13941312214048242757.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6823169038712545956.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 516 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:35] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6823169038712545956.kers
Total runtime 2 ms.
[2026-05-23 00:23:35] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 00:23:35] [INFO ] [Nat]Absence check using 40 positive place invariants in 13 ms returned sat
[2026-05-23 00:23:35] [INFO ] [Nat]Absence check using 40 positive and 20 generalized place invariants in 21 ms returned sat
[2026-05-23 00:23:35] [INFO ] After 102ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 00:23:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 169 ms
TRAPS : Iteration 1
[2026-05-23 00:23:36] [INFO ] After 295ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 00:23:36] [INFO ] After 404ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 488 ms.
RANDOM walk for 40000 steps (551 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (89 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1318259 steps, run timeout after 3001 ms. (steps per millisecond=439 ) properties seen :0 out of 1
Probabilistic random walk after 1318259 steps, saw 183933 distinct states, run finished after 3004 ms. (steps per millisecond=438 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1930900842611697388.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1222137581777933948.kers'
[2026-05-23 00:23:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1930900842611697388.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1222137581777933948.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:23:39] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1222137581777933948.kers
Total runtime 1 ms.
[2026-05-23 00:23:39] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 218 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 1/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/161 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 111/272 variables, 161/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 2/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/272 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/283 variables, 8/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 3/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/283 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 1/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/284 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 22/306 variables, 2/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/306 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 20/326 variables, 20/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/326 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 374 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 600ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 134 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 9 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (549 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (87 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1408383 steps, run timeout after 3001 ms. (steps per millisecond=469 ) properties seen :0 out of 1
Probabilistic random walk after 1408383 steps, saw 196792 distinct states, run finished after 3001 ms. (steps per millisecond=469 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3095202680918414160.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16773687937973234255.kers'
[2026-05-23 00:23:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3095202680918414160.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16773687937973234255.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:43] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16773687937973234255.kers
Total runtime 1 ms.
[2026-05-23 00:23:43] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 221 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/284 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/284 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/285 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/307 variables, 3/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/307 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 19/326 variables, 19/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 530ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 140 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 5 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 4 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:23:43] [INFO ] Invariant cache hit.
[2026-05-23 00:23:43] [INFO ] Implicit Places using invariants in 266 ms returned []
[2026-05-23 00:23:43] [INFO ] Invariant cache hit.
[2026-05-23 00:23:44] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:23:44] [INFO ] Implicit Places using invariants and state equation in 419 ms returned []
Implicit Place search using SMT with State Equation took 690 ms to find 0 implicit places.
[2026-05-23 00:23:44] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 713 ms. Remains : 192/192 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 8 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17876670419974205414.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-784264711718998542.kers'
[2026-05-23 00:23:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17876670419974205414.kers, --Pflows, --basisKERS=/tmp/petrispot-output-784264711718998542.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 516 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:44] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-784264711718998542.kers
Total runtime 2 ms.
[2026-05-23 00:23:44] [INFO ] After 63ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 00:23:44] [INFO ] [Nat]Absence check using 40 positive place invariants in 11 ms returned sat
[2026-05-23 00:23:44] [INFO ] [Nat]Absence check using 40 positive and 20 generalized place invariants in 22 ms returned sat
[2026-05-23 00:23:44] [INFO ] After 109ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 00:23:44] [INFO ] After 126ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 00:23:44] [INFO ] After 226ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 304 ms.
RANDOM walk for 40000 steps (553 resets) in 112 ms. (353 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (94 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1401694 steps, run timeout after 3001 ms. (steps per millisecond=467 ) properties seen :0 out of 1
Probabilistic random walk after 1401694 steps, saw 195816 distinct states, run finished after 3001 ms. (steps per millisecond=467 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14048628119992204362.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4950268052205264597.kers'
[2026-05-23 00:23:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14048628119992204362.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4950268052205264597.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:23:47] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4950268052205264597.kers
Total runtime 1 ms.
[2026-05-23 00:23:47] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/283 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/306 variables, 2/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 20/326 variables, 20/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 539ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 129 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 7 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (547 resets) in 154 ms. (258 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (92 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1408179 steps, run timeout after 3001 ms. (steps per millisecond=469 ) properties seen :0 out of 1
Probabilistic random walk after 1408179 steps, saw 196767 distinct states, run finished after 3001 ms. (steps per millisecond=469 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17883870803205371999.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10493152738299222956.kers'
[2026-05-23 00:23:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17883870803205371999.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10493152738299222956.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:51] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10493152738299222956.kers
Total runtime 2 ms.
[2026-05-23 00:23:51] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 235 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/284 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/284 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/285 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/307 variables, 3/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/307 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 19/326 variables, 19/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 313 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 556ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 128 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 4 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 4 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:23:52] [INFO ] Invariant cache hit.
[2026-05-23 00:23:52] [INFO ] Implicit Places using invariants in 242 ms returned []
[2026-05-23 00:23:52] [INFO ] Invariant cache hit.
[2026-05-23 00:23:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:23:52] [INFO ] Implicit Places using invariants and state equation in 390 ms returned []
Implicit Place search using SMT with State Equation took 647 ms to find 0 implicit places.
[2026-05-23 00:23:52] [INFO ] Redundant transitions in 1 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 659 ms. Remains : 192/192 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 7 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7202193658932776556.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1071150808921715264.kers'
[2026-05-23 00:23:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7202193658932776556.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1071150808921715264.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 516 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:52] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1071150808921715264.kers
Total runtime 2 ms.
[2026-05-23 00:23:52] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 00:23:52] [INFO ] [Nat]Absence check using 40 positive place invariants in 12 ms returned sat
[2026-05-23 00:23:53] [INFO ] [Nat]Absence check using 40 positive and 20 generalized place invariants in 21 ms returned sat
[2026-05-23 00:23:53] [INFO ] After 112ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 00:23:53] [INFO ] After 129ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 00:23:53] [INFO ] After 234ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 317 ms.
RANDOM walk for 40000 steps (547 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (92 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1387330 steps, run timeout after 3001 ms. (steps per millisecond=462 ) properties seen :0 out of 1
Probabilistic random walk after 1387330 steps, saw 193848 distinct states, run finished after 3001 ms. (steps per millisecond=462 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3688364212463869360.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3523660517387355238.kers'
[2026-05-23 00:23:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3688364212463869360.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3523660517387355238.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 514 entries
Finished phase 1 with 99 SingleSign rule and 33 generalized
[2026-05-23 00:23:56] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3523660517387355238.kers
Total runtime 1 ms.
[2026-05-23 00:23:56] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/283 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/283 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/284 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/306 variables, 2/233 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/306 variables, 1/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 20/326 variables, 20/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 222 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/101 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/101 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 36/137 variables, 29/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/158 variables, 12/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/283 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/283 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/283 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/284 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/284 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/284 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/306 variables, 2/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/306 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/306 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 20/326 variables, 20/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 39/39 constraints, Generalized P Invariants (flows): 21/21 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 537ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 117 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 7 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 192/192 places, 134/134 transitions.
RANDOM walk for 40000 steps (538 resets) in 120 ms. (330 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (83 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1407366 steps, run timeout after 3001 ms. (steps per millisecond=468 ) properties seen :0 out of 1
Probabilistic random walk after 1407366 steps, saw 196620 distinct states, run finished after 3001 ms. (steps per millisecond=468 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5347682639897684456.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5356508109508894819.kers'
[2026-05-23 00:23:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5347682639897684456.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5356508109508894819.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 515 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:23:59] [INFO ] Computed 60 invariants in 1 ms
Computed 60 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5356508109508894819.kers
Total runtime 2 ms.
[2026-05-23 00:23:59] [INFO ] State equation strengthened by 2 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 12/284 variables, 8/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/284 variables, 3/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/285 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 22/307 variables, 3/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/307 variables, 1/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 19/326 variables, 19/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/326 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 326/326 variables, and 254 constraints, problems are : Problem set: 0 solved, 1 unsolved in 231 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 104/105 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/144 variables, 31/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/144 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/146 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 12/158 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/161 variables, 3/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/161 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 111/272 variables, 161/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/272 variables, 2/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/272 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/272 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 12/284 variables, 8/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/284 variables, 3/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/284 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/285 variables, 1/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/285 variables, 1/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/285 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 22/307 variables, 3/235 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/307 variables, 1/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/307 variables, 0/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 19/326 variables, 19/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/326 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 326/326 variables, and 255 constraints, problems are : Problem set: 0 solved, 1 unsolved in 332 ms.
Refiners :[Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 20/20 constraints, State Equation: 192/192 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 571ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 116 ms.
Support contains 1 out of 192 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 4 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 192/192 places, 134/134 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 192/192 places, 134/134 transitions.
Applied a total of 0 rules in 3 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
[2026-05-23 00:24:00] [INFO ] Invariant cache hit.
[2026-05-23 00:24:00] [INFO ] Implicit Places using invariants in 254 ms returned []
[2026-05-23 00:24:00] [INFO ] Invariant cache hit.
[2026-05-23 00:24:01] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 00:24:01] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 682 ms to find 0 implicit places.
[2026-05-23 00:24:01] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 693 ms. Remains : 192/192 places, 134/134 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 192 transition count 134
Applied a total of 1 rules in 7 ms. Remains 192 /192 variables (removed 0) and now considering 134/134 (removed 0) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8787377189077716794.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9763888981474587074.kers'
[2026-05-23 00:24:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8787377189077716794.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9763888981474587074.kers]
Culling duplicate invariants (modulo rational): removing 29 columns.
Culled 29 columns in 0 ms.
// Phase 1: matrix 134 rows 163 cols 516 entries
Finished phase 1 with 102 SingleSign rule and 30 generalized
[2026-05-23 00:24:01] [INFO ] Computed 60 invariants in 2 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9763888981474587074.kers
Total runtime 3 ms.
[2026-05-23 00:24:01] [INFO ] After 52ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 00:24:01] [INFO ] [Nat]Absence check using 40 positive place invariants in 12 ms returned sat
[2026-05-23 00:24:01] [INFO ] [Nat]Absence check using 40 positive and 20 generalized place invariants in 19 ms returned sat
[2026-05-23 00:24:01] [INFO ] After 128ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 00:24:01] [INFO ] After 145ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 00:24:01] [INFO ] After 252ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 322 ms.
Able to resolve query StableMarking after proving 152 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL USE_NUPN
Total runtime 681666 ms.

BK_STOP 1779495841716

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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 StableMarking -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="DES-PT-20a"
export BK_EXAMINATION="StableMarking"
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 DES-PT-20a, examination is StableMarking"
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-177946995300238"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-20a.tgz
mv DES-PT-20a execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;