Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r077-tall-174860075000508.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is EisenbergMcGuire-PT-10, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r077-tall-174860075000508
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 8.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.1M May 29 14:32 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 1748659456506

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EisenbergMcGuire-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-05-31 02:44:17] [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]
[2025-05-31 02:44:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 02:44:18] [INFO ] Load time of PNML (sax parser for PT used): 508 ms
[2025-05-31 02:44:18] [INFO ] Transformed 1090 places.
[2025-05-31 02:44:18] [INFO ] Transformed 5200 transitions.
[2025-05-31 02:44:18] [INFO ] Found NUPN structural information;
[2025-05-31 02:44:18] [INFO ] Parsed PT model containing 1090 places and 5200 transitions and 25400 arcs in 687 ms.
[2025-05-31 02:44:19] [INFO ] Flatten gal took : 592 ms
RANDOM walk for 40000 steps (8 resets) in 3735 ms. (10 steps per ms) remains 371/1090 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 28 ms. (13 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 371/371 properties
[2025-05-31 02:44:20] [INFO ] Flatten gal took : 268 ms
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 5 ms. (67 steps per ms) remains 371/371 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 371/371 properties
[2025-05-31 02:44:20] [INFO ] Flow matrix only has 2330 transitions (discarded 2870 similar events)
[2025-05-31 02:44:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15456275255997551918.gal : 101 ms
// Phase 1: matrix 2330 rows 1090 cols
[2025-05-31 02:44:20] [INFO ] Computed 31 invariants in 34 ms
[2025-05-31 02:44:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17184699871956766163.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15456275255997551918.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17184699871956766163.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
[2025-05-31 02:44:20] [INFO ] State equation strengthened by 1246 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality17184699871956766163.prop.
SDD proceeding with computation,371 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,371 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,371 properties remain. new max is 16
SDD size :6 after 8
SDD proceeding with computation,371 properties remain. new max is 32
SDD size :8 after 10
SDD proceeding with computation,371 properties remain. new max is 64
SDD size :10 after 12
SDD proceeding with computation,371 properties remain. new max is 128
SDD size :12 after 14
All remaining problems are real, not stopping.
SDD proceeding with computation,371 properties remain. new max is 256
SDD size :14 after 15
At refinement iteration 0 (INCLUDED_ONLY) 0/371 variables, 371/371 constraints. Problems are: Problem set: 0 solved, 371 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,371 properties remain. new max is 512
SDD size :15 after 77
After SMT solving in domain Real declared 371/3420 variables, and 371 constraints, problems are : Problem set: 0 solved, 371 unsolved in 5053 ms.
Refiners :[Domain max(s): 371/1090 constraints, Positive P Invariants (semi-flows): 0/21 constraints, Generalized P Invariants (flows): 0/10 constraints, State Equation: 0/1090 constraints, ReadFeed: 0/1246 constraints, PredecessorRefiner: 371/371 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 371 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/371 variables, 371/371 constraints. Problems are: Problem set: 0 solved, 371 unsolved
SDD proceeding with computation,371 properties remain. new max is 1024
SDD size :77 after 155
Invariant property smplace_760 does not hold.
Invariant property smplace_750 does not hold.
SDD proceeding with computation,369 properties remain. new max is 1024
SDD size :155 after 280
SDD proceeding with computation,369 properties remain. new max is 2048
SDD size :280 after 1325
SDD proceeding with computation,369 properties remain. new max is 4096
SDD size :1325 after 2284
At refinement iteration 1 (INCLUDED_ONLY) 0/371 variables, 0/371 constraints. Problems are: Problem set: 2 solved, 369 unsolved
At refinement iteration 2 (OVERLAPS) 689/1060 variables, 20/391 constraints. Problems are: Problem set: 2 solved, 369 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1060 variables, 689/1080 constraints. Problems are: Problem set: 2 solved, 369 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1060/3420 variables, and 1080 constraints, problems are : Problem set: 2 solved, 369 unsolved in 5023 ms.
Refiners :[Domain max(s): 1060/1090 constraints, Positive P Invariants (semi-flows): 20/21 constraints, Generalized P Invariants (flows): 0/10 constraints, State Equation: 0/1090 constraints, ReadFeed: 0/1246 constraints, PredecessorRefiner: 0/371 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10463ms problems are : Problem set: 2 solved, 369 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 369 out of 1090 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1090/1090 places, 5200/5200 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 1090 transition count 5190
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 1080 transition count 5190
Performed 220 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 220 Pre rules applied. Total rules applied 20 place count 1080 transition count 4970
Deduced a syphon composed of 220 places in 5 ms
Reduce places removed 220 places and 0 transitions.
Iterating global reduction 2 with 440 rules applied. Total rules applied 460 place count 860 transition count 4970
Discarding 90 places :
Symmetric choice reduction at 2 with 90 rule applications. Total rules 550 place count 770 transition count 4070
Iterating global reduction 2 with 90 rules applied. Total rules applied 640 place count 770 transition count 4070
Performed 79 Post agglomeration using F-continuation condition.Transition count delta: 79
Deduced a syphon composed of 79 places in 5 ms
Reduce places removed 79 places and 0 transitions.
Iterating global reduction 2 with 158 rules applied. Total rules applied 798 place count 691 transition count 3991
Applied a total of 798 rules in 600 ms. Remains 691 /1090 variables (removed 399) and now considering 3991/5200 (removed 1209) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 610 ms. Remains : 691/1090 places, 3991/5200 transitions.
Invariant property smplace_753 does not hold.
SDD proceeding with computation,368 properties remain. new max is 4096
SDD size :2284 after 6625
Invariant property smplace_791 does not hold.
Invariant property smplace_790 does not hold.
Invariant property smplace_763 does not hold.
SDD proceeding with computation,365 properties remain. new max is 4096
SDD size :6625 after 9290
SDD proceeding with computation,365 properties remain. new max is 8192
SDD size :9290 after 47536
SDD proceeding with computation,365 properties remain. new max is 16384
SDD size :47536 after 69970
RANDOM walk for 3784408 steps (8 resets) in 120004 ms. (31 steps per ms) remains 350/369 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 350/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 349/350 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 169 ms. (235 steps per ms) remains 349/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 347/349 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 189 ms. (210 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 181 ms. (219 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 167 ms. (238 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 135 ms. (294 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 163 ms. (243 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 347/347 properties
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 347/347 properties
Invariant property smplace_751 does not hold.
SDD proceeding with computation,364 properties remain. new max is 16384
SDD size :69970 after 141220
Invariant property smplace_792 does not hold.
Invariant property smplace_771 does not hold.
Invariant property smplace_770 does not hold.
Invariant property smplace_761 does not hold.
SDD proceeding with computation,360 properties remain. new max is 16384
SDD size :141220 after 210918
Invariant property smplace_773 does not hold.
SDD proceeding with computation,359 properties remain. new max is 16384
SDD size :210918 after 238528
Interrupted probabilistic random walk after 6318697 steps, run timeout after 99001 ms. (steps per millisecond=63 ) properties seen :326 out of 347
Probabilistic random walk after 6318697 steps, saw 3335497 distinct states, run finished after 99007 ms. (steps per millisecond=63 ) properties seen :326
[2025-05-31 02:46:43] [INFO ] Flow matrix only has 1121 transitions (discarded 2870 similar events)
// Phase 1: matrix 1121 rows 691 cols
[2025-05-31 02:46:43] [INFO ] Computed 31 invariants in 16 ms
[2025-05-31 02:46:43] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 508/527 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/527 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 16/543 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/543 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 895/1438 variables, 543/567 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1438 variables, 184/751 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1438 variables, 0/751 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 46/1484 variables, 10/761 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1484 variables, 1/762 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1484 variables, 94/856 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1484 variables, 0/856 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 12 (OVERLAPS) 52/1536 variables, 24/880 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1536 variables, 22/902 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1536 variables, 0/902 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 15 (OVERLAPS) 110/1646 variables, 4/906 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1646 variables, 0/906 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 17 (OVERLAPS) 4/1650 variables, 2/908 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1650 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 19 (OVERLAPS) 162/1812 variables, 114/1022 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1812 variables, 136/1158 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1812 variables, 0/1158 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 22 (OVERLAPS) 0/1812 variables, 0/1158 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1812/1812 variables, and 1158 constraints, problems are : Problem set: 0 solved, 19 unsolved in 7750 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 691/691 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/19 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 508/527 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/527 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 16/543 variables, 8/24 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:52] [INFO ] Deduced a trap composed of 3 places in 404 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:52] [INFO ] Deduced a trap composed of 3 places in 307 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:53] [INFO ] Deduced a trap composed of 3 places in 250 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:53] [INFO ] Deduced a trap composed of 3 places in 271 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:53] [INFO ] Deduced a trap composed of 13 places in 244 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:53] [INFO ] Deduced a trap composed of 23 places in 174 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 25 places in 138 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 33 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 19 places in 137 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 21 places in 134 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 3 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 27 places in 96 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 15 places in 207 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:54] [INFO ] Deduced a trap composed of 3 places in 94 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:55] [INFO ] Deduced a trap composed of 17 places in 175 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:55] [INFO ] Deduced a trap composed of 19 places in 136 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:55] [INFO ] Deduced a trap composed of 23 places in 110 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:55] [INFO ] Deduced a trap composed of 11 places in 84 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:55] [INFO ] Deduced a trap composed of 17 places in 204 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:56] [INFO ] Deduced a trap composed of 19 places in 175 ms of which 14 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/543 variables, 20/44 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:56] [INFO ] Deduced a trap composed of 3 places in 130 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:56] [INFO ] Deduced a trap composed of 31 places in 106 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:56] [INFO ] Deduced a trap composed of 15 places in 167 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:56] [INFO ] Deduced a trap composed of 21 places in 137 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:56] [INFO ] Deduced a trap composed of 25 places in 103 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:57] [INFO ] Deduced a trap composed of 23 places in 135 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:57] [INFO ] Deduced a trap composed of 27 places in 109 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:57] [INFO ] Deduced a trap composed of 29 places in 108 ms of which 9 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/543 variables, 8/52 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/543 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 895/1438 variables, 543/595 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1438 variables, 184/779 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:46:58] [INFO ] Deduced a trap composed of 3 places in 63 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/1438 variables, 1/780 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1438 variables, 0/780 constraints. Problems are: Problem set: 0 solved, 19 unsolved
SDD proceeding with computation,359 properties remain. new max is 32768
SDD size :238528 after 1.02945e+06
At refinement iteration 11 (OVERLAPS) 46/1484 variables, 10/790 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1484 variables, 1/791 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1484 variables, 94/885 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1484 variables, 12/897 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1484 variables, 0/897 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 16 (OVERLAPS) 52/1536 variables, 24/921 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1536 variables, 22/943 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1536 variables, 0/943 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 19 (OVERLAPS) 110/1646 variables, 4/947 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1646 variables, 0/947 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 21 (OVERLAPS) 4/1650 variables, 2/949 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1650 variables, 7/956 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:12] [INFO ] Deduced a trap composed of 3 places in 80 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:12] [INFO ] Deduced a trap composed of 3 places in 79 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:13] [INFO ] Deduced a trap composed of 72 places in 456 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:13] [INFO ] Deduced a trap composed of 31 places in 140 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:13] [INFO ] Deduced a trap composed of 21 places in 103 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:13] [INFO ] Deduced a trap composed of 23 places in 105 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:13] [INFO ] Deduced a trap composed of 25 places in 105 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:14] [INFO ] Deduced a trap composed of 27 places in 103 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:14] [INFO ] Deduced a trap composed of 29 places in 103 ms of which 7 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1650 variables, 9/965 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:15] [INFO ] Deduced a trap composed of 35 places in 106 ms of which 5 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1650 variables, 1/966 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:17] [INFO ] Deduced a trap composed of 72 places in 467 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:17] [INFO ] Deduced a trap composed of 79 places in 446 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:47:18] [INFO ] Deduced a trap composed of 79 places in 389 ms of which 43 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1650 variables, 3/969 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1650 variables, 0/969 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 27 (OVERLAPS) 162/1812 variables, 114/1083 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1812 variables, 136/1219 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1812 variables, 0/1219 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 30 (OVERLAPS) 0/1812 variables, 0/1219 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1812/1812 variables, and 1219 constraints, problems are : Problem set: 0 solved, 19 unsolved in 37296 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 691/691 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 42/42 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45101ms problems are : Problem set: 0 solved, 19 unsolved
SDD proceeding with computation,359 properties remain. new max is 65536
SDD size :1.02945e+06 after 1.5713e+06
Parikh walk visited 8 properties in 22506 ms.
Support contains 11 out of 691 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 691/691 places, 3991/3991 transitions.
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 90 Pre rules applied. Total rules applied 0 place count 691 transition count 3901
Deduced a syphon composed of 90 places in 4 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 0 with 180 rules applied. Total rules applied 180 place count 601 transition count 3901
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 3 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 0 with 22 rules applied. Total rules applied 202 place count 590 transition count 3890
Applied a total of 202 rules in 202 ms. Remains 590 /691 variables (removed 101) and now considering 3890/3991 (removed 101) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 202 ms. Remains : 590/691 places, 3890/3991 transitions.
RANDOM walk for 4000000 steps (8 resets) in 32979 ms. (121 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4755 ms. (841 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4661 ms. (858 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4720 ms. (847 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4593 ms. (870 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4627 ms. (864 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4610 ms. (867 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4864 ms. (822 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4560 ms. (877 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4489 ms. (890 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4485 ms. (891 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4787 ms. (835 steps per ms) remains 11/11 properties
Invariant property smplace_368 does not hold.
SDD proceeding with computation,358 properties remain. new max is 65536
SDD size :1.5713e+06 after 2.51641e+06
Interrupted probabilistic random walk after 4461237 steps, run timeout after 75001 ms. (steps per millisecond=59 ) properties seen :2 out of 11
Probabilistic random walk after 4461237 steps, saw 2386172 distinct states, run finished after 75001 ms. (steps per millisecond=59 ) properties seen :2
[2025-05-31 02:49:32] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 02:49:32] [INFO ] Computed 31 invariants in 7 ms
[2025-05-31 02:49:32] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 327/336 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/336 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 612/960 variables, 348/366 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/960 variables, 102/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/960 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 82/1042 variables, 10/478 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1042 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1042 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 104/1146 variables, 48/597 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1146 variables, 36/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1146 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 176/1322 variables, 8/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1322 variables, 0/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 8/1330 variables, 4/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1330 variables, 0/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 280/1610 variables, 184/829 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 228/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 9 unsolved in 2882 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 327/336 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/336 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:35] [INFO ] Deduced a trap composed of 3 places in 252 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:36] [INFO ] Deduced a trap composed of 3 places in 247 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:36] [INFO ] Deduced a trap composed of 13 places in 255 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:36] [INFO ] Deduced a trap composed of 3 places in 240 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:36] [INFO ] Deduced a trap composed of 3 places in 209 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:37] [INFO ] Deduced a trap composed of 15 places in 174 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:37] [INFO ] Deduced a trap composed of 17 places in 185 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:37] [INFO ] Deduced a trap composed of 19 places in 96 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:37] [INFO ] Deduced a trap composed of 11 places in 88 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:37] [INFO ] Deduced a trap composed of 15 places in 211 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:37] [INFO ] Deduced a trap composed of 17 places in 179 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:37] [INFO ] Deduced a trap composed of 19 places in 136 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:38] [INFO ] Deduced a trap composed of 21 places in 95 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:38] [INFO ] Deduced a trap composed of 19 places in 179 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:38] [INFO ] Deduced a trap composed of 21 places in 146 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:38] [INFO ] Deduced a trap composed of 23 places in 106 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:38] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:38] [INFO ] Deduced a trap composed of 23 places in 102 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:38] [INFO ] Deduced a trap composed of 27 places in 96 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 19/37 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:39] [INFO ] Deduced a trap composed of 25 places in 109 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 612/960 variables, 348/386 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/960 variables, 102/488 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:39] [INFO ] Deduced a trap composed of 3 places in 73 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/960 variables, 1/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/960 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 82/1042 variables, 10/499 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1042 variables, 1/500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 70/570 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1042 variables, 8/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1042 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (OVERLAPS) 104/1146 variables, 48/626 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1146 variables, 36/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1146 variables, 0/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 176/1322 variables, 8/670 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1322 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (OVERLAPS) 8/1330 variables, 4/674 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1330 variables, 1/675 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:49:43] [INFO ] Deduced a trap composed of 27 places in 128 ms of which 6 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1330 variables, 1/676 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1330 variables, 0/676 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 25 (OVERLAPS) 280/1610 variables, 184/860 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 228/1088 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1088 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1088 constraints, problems are : Problem set: 0 solved, 9 unsolved in 12442 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15356ms problems are : Problem set: 0 solved, 9 unsolved
Parikh walk visited 0 properties in 7382 ms.
Support contains 9 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 151 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 4000000 steps (8 resets) in 29441 ms. (135 steps per ms) remains 9/9 properties
SDD proceeding with computation,358 properties remain. new max is 131072
SDD size :2.51641e+06 after 2.93562e+06
BEST_FIRST walk for 4000004 steps (8 resets) in 4639 ms. (862 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4467 ms. (895 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4328 ms. (924 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4588 ms. (871 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4599 ms. (869 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4537 ms. (881 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4452 ms. (898 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4409 ms. (907 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4526 ms. (883 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 3743454 steps, run timeout after 57001 ms. (steps per millisecond=65 ) properties seen :0 out of 9
Probabilistic random walk after 3743454 steps, saw 2044904 distinct states, run finished after 57001 ms. (steps per millisecond=65 ) properties seen :0
[2025-05-31 02:51:11] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:51:11] [INFO ] Invariant cache hit.
[2025-05-31 02:51:11] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 327/336 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/336 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 612/960 variables, 348/366 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/960 variables, 102/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/960 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 82/1042 variables, 10/478 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1042 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1042 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 104/1146 variables, 48/597 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1146 variables, 36/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1146 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 176/1322 variables, 8/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1322 variables, 0/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 8/1330 variables, 4/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1330 variables, 0/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 280/1610 variables, 184/829 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 228/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 9 unsolved in 3051 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 327/336 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/336 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:15] [INFO ] Deduced a trap composed of 3 places in 242 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:15] [INFO ] Deduced a trap composed of 13 places in 319 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:15] [INFO ] Deduced a trap composed of 3 places in 246 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:16] [INFO ] Deduced a trap composed of 3 places in 203 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:16] [INFO ] Deduced a trap composed of 15 places in 171 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:16] [INFO ] Deduced a trap composed of 3 places in 170 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:16] [INFO ] Deduced a trap composed of 17 places in 132 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:16] [INFO ] Deduced a trap composed of 3 places in 134 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:16] [INFO ] Deduced a trap composed of 19 places in 100 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:16] [INFO ] Deduced a trap composed of 11 places in 88 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 17 places in 155 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 19 places in 131 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 21 places in 88 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 19 places in 156 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 21 places in 130 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 23 places in 92 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:17] [INFO ] Deduced a trap composed of 23 places in 119 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:18] [INFO ] Deduced a trap composed of 25 places in 91 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:18] [INFO ] Deduced a trap composed of 27 places in 88 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:18] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 612/960 variables, 348/387 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/960 variables, 102/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/960 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 82/1042 variables, 10/499 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 1/500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1042 variables, 70/570 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 8/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1042 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 104/1146 variables, 48/626 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1146 variables, 36/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1146 variables, 0/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 176/1322 variables, 8/670 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1322 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (OVERLAPS) 8/1330 variables, 4/674 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1330 variables, 1/675 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:22] [INFO ] Deduced a trap composed of 86 places in 425 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:23] [INFO ] Deduced a trap composed of 88 places in 402 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:23] [INFO ] Deduced a trap composed of 86 places in 435 ms of which 61 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1330 variables, 3/678 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:24] [INFO ] Deduced a trap composed of 86 places in 415 ms of which 57 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1330 variables, 1/679 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:25] [INFO ] Deduced a trap composed of 86 places in 447 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:26] [INFO ] Deduced a trap composed of 86 places in 425 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:26] [INFO ] Deduced a trap composed of 88 places in 384 ms of which 41 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1330 variables, 3/682 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:51:26] [INFO ] Deduced a trap composed of 27 places in 105 ms of which 6 ms to minimize.
At refinement iteration 25 (INCLUDED_ONLY) 0/1330 variables, 1/683 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1330 variables, 0/683 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 27 (OVERLAPS) 280/1610 variables, 184/867 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/1610 variables, 228/1095 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/1610 variables, 0/1095 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 30 (OVERLAPS) 0/1610 variables, 0/1095 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1095 constraints, problems are : Problem set: 0 solved, 9 unsolved in 15895 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 29/29 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18970ms problems are : Problem set: 0 solved, 9 unsolved
Parikh walk visited 0 properties in 5851 ms.
Support contains 9 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 138 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 139 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 145 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:51:36] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:51:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:51:37] [INFO ] Implicit Places using invariants in 1031 ms returned []
[2025-05-31 02:51:37] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:51:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:51:38] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:51:42] [INFO ] Implicit Places using invariants and state equation in 4655 ms returned []
Implicit Place search using SMT with State Equation took 5696 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:51:42] [INFO ] Redundant transitions in 234 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:51:42] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:51:42] [INFO ] Invariant cache hit.
[2025-05-31 02:51:42] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32232ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32254ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38350 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 400000 steps (8 resets) in 4528 ms. (88 steps per ms) remains 9/9 properties
Running SMT prover for 9 properties.
[2025-05-31 02:52:16] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:52:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:52:16] [INFO ] [Real]Absence check using 21 positive place invariants in 11 ms returned sat
[2025-05-31 02:52:16] [INFO ] [Real]Absence check using 21 positive and 10 generalized place invariants in 11 ms returned sat
[2025-05-31 02:52:17] [INFO ] After 257ms SMT Verify possible using state equation in real domain returned unsat :0 sat :9
[2025-05-31 02:52:17] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:52:17] [INFO ] After 146ms SMT Verify possible using 436 Read/Feed constraints in real domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2025-05-31 02:52:17] [INFO ] After 753ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:9
[2025-05-31 02:52:17] [INFO ] After 1152ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:52:17] [INFO ] [Nat]Absence check using 21 positive place invariants in 16 ms returned sat
[2025-05-31 02:52:17] [INFO ] [Nat]Absence check using 21 positive and 10 generalized place invariants in 5 ms returned sat
[2025-05-31 02:52:18] [INFO ] After 274ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2025-05-31 02:52:18] [INFO ] After 167ms SMT Verify possible using 436 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:18] [INFO ] Deduced a trap composed of 3 places in 246 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:18] [INFO ] Deduced a trap composed of 11 places in 252 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:19] [INFO ] Deduced a trap composed of 15 places in 281 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:19] [INFO ] Deduced a trap composed of 3 places in 246 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:19] [INFO ] Deduced a trap composed of 3 places in 212 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:20] [INFO ] Deduced a trap composed of 3 places in 163 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:20] [INFO ] Deduced a trap composed of 17 places in 175 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:20] [INFO ] Deduced a trap composed of 3 places in 180 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:20] [INFO ] Deduced a trap composed of 19 places in 143 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:20] [INFO ] Deduced a trap composed of 27 places in 124 ms of which 4 ms to minimize.
[2025-05-31 02:52:20] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2476 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:21] [INFO ] Deduced a trap composed of 3 places in 60 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:21] [INFO ] Deduced a trap composed of 15 places in 95 ms of which 4 ms to minimize.
[2025-05-31 02:52:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 278 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:21] [INFO ] Deduced a trap composed of 19 places in 92 ms of which 5 ms to minimize.
[2025-05-31 02:52:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 175 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:21] [INFO ] Deduced a trap composed of 23 places in 92 ms of which 4 ms to minimize.
[2025-05-31 02:52:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 178 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:22] [INFO ] Deduced a trap composed of 27 places in 118 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:52:22] [INFO ] Deduced a trap composed of 25 places in 79 ms of which 4 ms to minimize.
[2025-05-31 02:52:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 320 ms
TRAPS : Iteration 1
[2025-05-31 02:52:22] [INFO ] After 4742ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2025-05-31 02:52:23] [INFO ] After 5256ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
RANDOM walk for 4000000 steps (8 resets) in 29139 ms. (137 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4521 ms. (884 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4337 ms. (922 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4531 ms. (882 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4183 ms. (956 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4358 ms. (917 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4444 ms. (899 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4663 ms. (857 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4511 ms. (886 steps per ms) remains 9/9 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 4407 ms. (907 steps per ms) remains 9/9 properties
Invariant property smplace_793 does not hold.
Invariant property smplace_781 does not hold.
Invariant property smplace_780 does not hold.
Invariant property smplace_762 does not hold.
Invariant property smplace_752 does not hold.
SDD proceeding with computation,353 properties remain. new max is 131072
SDD size :2.93562e+06 after 4.60916e+06
Interrupted probabilistic random walk after 4225606 steps, run timeout after 57001 ms. (steps per millisecond=74 ) properties seen :0 out of 9
Probabilistic random walk after 4225606 steps, saw 2275873 distinct states, run finished after 57001 ms. (steps per millisecond=74 ) properties seen :0
[2025-05-31 02:53:39] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:53:39] [INFO ] Invariant cache hit.
[2025-05-31 02:53:39] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 327/336 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/336 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (OVERLAPS) 612/960 variables, 348/366 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/960 variables, 102/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/960 variables, 0/468 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 82/1042 variables, 10/478 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1042 variables, 1/479 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1042 variables, 70/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 0/549 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (OVERLAPS) 104/1146 variables, 48/597 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1146 variables, 36/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1146 variables, 0/633 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 176/1322 variables, 8/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1322 variables, 0/641 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (OVERLAPS) 8/1330 variables, 4/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1330 variables, 0/645 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (OVERLAPS) 280/1610 variables, 184/829 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 228/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 9 unsolved in 2883 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 327/336 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/336 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (OVERLAPS) 12/348 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:42] [INFO ] Deduced a trap composed of 3 places in 225 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:42] [INFO ] Deduced a trap composed of 13 places in 229 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:43] [INFO ] Deduced a trap composed of 3 places in 219 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:43] [INFO ] Deduced a trap composed of 3 places in 195 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:43] [INFO ] Deduced a trap composed of 15 places in 162 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:43] [INFO ] Deduced a trap composed of 3 places in 160 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:43] [INFO ] Deduced a trap composed of 17 places in 131 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:43] [INFO ] Deduced a trap composed of 3 places in 125 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:44] [INFO ] Deduced a trap composed of 19 places in 92 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:44] [INFO ] Deduced a trap composed of 11 places in 82 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:44] [INFO ] Deduced a trap composed of 17 places in 168 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:44] [INFO ] Deduced a trap composed of 19 places in 134 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:44] [INFO ] Deduced a trap composed of 21 places in 91 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:44] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:44] [INFO ] Deduced a trap composed of 19 places in 165 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:45] [INFO ] Deduced a trap composed of 21 places in 134 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:45] [INFO ] Deduced a trap composed of 23 places in 100 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:45] [INFO ] Deduced a trap composed of 23 places in 125 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:45] [INFO ] Deduced a trap composed of 25 places in 88 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:45] [INFO ] Deduced a trap composed of 27 places in 84 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/348 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:45] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/348 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/348 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 612/960 variables, 348/387 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/960 variables, 102/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/960 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (OVERLAPS) 82/1042 variables, 10/499 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1042 variables, 1/500 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1042 variables, 70/570 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1042 variables, 8/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1042 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 15 (OVERLAPS) 104/1146 variables, 48/626 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1146 variables, 36/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1146 variables, 0/662 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 18 (OVERLAPS) 176/1322 variables, 8/670 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1322 variables, 0/670 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 20 (OVERLAPS) 8/1330 variables, 4/674 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1330 variables, 1/675 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:49] [INFO ] Deduced a trap composed of 86 places in 422 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:50] [INFO ] Deduced a trap composed of 88 places in 417 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:50] [INFO ] Deduced a trap composed of 86 places in 446 ms of which 61 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1330 variables, 3/678 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:53:51] [INFO ] Deduced a trap composed of 86 places in 426 ms of which 58 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1330 variables, 1/679 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1330 variables, 0/679 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 25 (OVERLAPS) 280/1610 variables, 184/863 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/1610 variables, 228/1091 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/1610 variables, 0/1091 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 28 (OVERLAPS) 0/1610 variables, 0/1091 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1091 constraints, problems are : Problem set: 0 solved, 9 unsolved in 13096 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 25/25 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 15996ms problems are : Problem set: 0 solved, 9 unsolved
Parikh walk visited 0 properties in 6551 ms.
Support contains 9 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 133 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 133 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:54:02] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:54:03] [INFO ] Implicit Places using invariants in 980 ms returned []
[2025-05-31 02:54:03] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:54:03] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:54:07] [INFO ] Implicit Places using invariants and state equation in 4345 ms returned []
Implicit Place search using SMT with State Equation took 5328 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:54:07] [INFO ] Redundant transitions in 254 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:54:07] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:07] [INFO ] Invariant cache hit.
[2025-05-31 02:54:07] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
[2025-05-31 02:54:20] [INFO ] Flatten gal took : 152 ms
[2025-05-31 02:54:20] [INFO ] Applying decomposition
[2025-05-31 02:54:20] [INFO ] Flatten gal took : 172 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15013626242865411609.txt' '-o' '/tmp/graph15013626242865411609.bin' '-w' '/tmp/graph15013626242865411609.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15013626242865411609.bin' '-l' '-1' '-v' '-w' '/tmp/graph15013626242865411609.weights' '-q' '0' '-e' '0.001'
[2025-05-31 02:54:21] [INFO ] Decomposing Gal with order
[2025-05-31 02:54:21] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 02:54:22] [INFO ] Removed a total of 10832 redundant transitions.
[2025-05-31 02:54:22] [INFO ] Flatten gal took : 670 ms
[2025-05-31 02:54:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 691 labels/synchronizations in 220 ms.
[2025-05-31 02:54:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17423384143270318522.gal : 43 ms
[2025-05-31 02:54:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality85176541522711276.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17423384143270318522.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality85176541522711276.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality85176541522711276.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :1 after 1
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :1 after 8
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :8 after 52
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :52 after 1776
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :1776 after 19656
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :19656 after 103817
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 31949ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 31959ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37694 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 400000 steps (8 resets) in 3716 ms. (107 steps per ms) remains 9/9 properties
Running SMT prover for 9 properties.
[2025-05-31 02:54:40] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:54:40] [INFO ] [Real]Absence check using 21 positive place invariants in 12 ms returned sat
[2025-05-31 02:54:40] [INFO ] [Real]Absence check using 21 positive and 10 generalized place invariants in 5 ms returned sat
[2025-05-31 02:54:41] [INFO ] After 249ms SMT Verify possible using state equation in real domain returned unsat :0 sat :9
[2025-05-31 02:54:41] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:54:41] [INFO ] After 149ms SMT Verify possible using 436 Read/Feed constraints in real domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2025-05-31 02:54:41] [INFO ] After 743ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:9
[2025-05-31 02:54:41] [INFO ] After 1113ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:54:42] [INFO ] [Nat]Absence check using 21 positive place invariants in 12 ms returned sat
[2025-05-31 02:54:42] [INFO ] [Nat]Absence check using 21 positive and 10 generalized place invariants in 5 ms returned sat
[2025-05-31 02:54:42] [INFO ] After 271ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2025-05-31 02:54:42] [INFO ] After 163ms SMT Verify possible using 436 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:42] [INFO ] Deduced a trap composed of 3 places in 242 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:43] [INFO ] Deduced a trap composed of 11 places in 224 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:43] [INFO ] Deduced a trap composed of 15 places in 215 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:43] [INFO ] Deduced a trap composed of 3 places in 215 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:43] [INFO ] Deduced a trap composed of 3 places in 184 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:43] [INFO ] Deduced a trap composed of 3 places in 144 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:44] [INFO ] Deduced a trap composed of 17 places in 159 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:44] [INFO ] Deduced a trap composed of 3 places in 149 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:44] [INFO ] Deduced a trap composed of 19 places in 125 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:44] [INFO ] Deduced a trap composed of 27 places in 85 ms of which 5 ms to minimize.
SDD proceeding with computation,9 properties remain. new max is 4096
[2025-05-31 02:54:44] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 2248 ms
SDD size :103817 after 3.58688e+07
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:44] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:45] [INFO ] Deduced a trap composed of 15 places in 86 ms of which 4 ms to minimize.
[2025-05-31 02:54:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 265 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:45] [INFO ] Deduced a trap composed of 19 places in 85 ms of which 4 ms to minimize.
[2025-05-31 02:54:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 164 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:45] [INFO ] Deduced a trap composed of 23 places in 86 ms of which 4 ms to minimize.
[2025-05-31 02:54:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 166 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:45] [INFO ] Deduced a trap composed of 27 places in 86 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:54:45] [INFO ] Deduced a trap composed of 25 places in 80 ms of which 4 ms to minimize.
[2025-05-31 02:54:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 305 ms
TRAPS : Iteration 1
[2025-05-31 02:54:46] [INFO ] After 4484ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2025-05-31 02:54:46] [INFO ] After 4990ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
RANDOM walk for 40000 steps (8 resets) in 306 ms. (130 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 401522 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 401522 steps, saw 266156 distinct states, run finished after 3001 ms. (steps per millisecond=133 ) properties seen :0
[2025-05-31 02:54:50] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:50] [INFO ] Invariant cache hit.
[2025-05-31 02:54:50] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 388/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 511 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 388/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 0/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1610 variables, 0/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1058 constraints, problems are : Problem set: 0 solved, 1 unsolved in 792 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1318ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 109 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 136 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 525 ms. (76 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 374891 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :0 out of 1
Probabilistic random walk after 374891 steps, saw 249479 distinct states, run finished after 3001 ms. (steps per millisecond=124 ) properties seen :0
[2025-05-31 02:54:54] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:54] [INFO ] Invariant cache hit.
[2025-05-31 02:54:54] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 388/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 501 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 10/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 36/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 388/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 0/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1610 variables, 0/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1058 constraints, problems are : Problem set: 0 solved, 1 unsolved in 768 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1286ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 113 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 163 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 136 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:54:56] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:54:57] [INFO ] Implicit Places using invariants in 977 ms returned []
[2025-05-31 02:54:57] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:54:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:54:57] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:55:01] [INFO ] Implicit Places using invariants and state equation in 4396 ms returned []
Implicit Place search using SMT with State Equation took 5374 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:55:01] [INFO ] Redundant transitions in 133 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:55:02] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:55:02] [INFO ] Invariant cache hit.
[2025-05-31 02:55:02] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :3.58688e+07 after 3.9784e+07
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(s415 timeout
0.0 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 31951ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 31959ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37626 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 3 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 99 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 02:55:34] [INFO ] Computed 21 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:55:34] [INFO ] After 24ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:55:34] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 02:55:34] [INFO ] After 37ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:55:34] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 02:55:34] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:55:34] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:55:34] [INFO ] After 86ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 229 ms.
RANDOM walk for 40000 steps (8 resets) in 401 ms. (99 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 410399 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 1
Probabilistic random walk after 410399 steps, saw 271210 distinct states, run finished after 3001 ms. (steps per millisecond=136 ) properties seen :0
[2025-05-31 02:55:37] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 02:55:37] [INFO ] Computed 31 invariants in 16 ms
[2025-05-31 02:55:37] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 473 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:55:38] [INFO ] Deduced a trap composed of 27 places in 114 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:55:38] [INFO ] Deduced a trap composed of 3 places in 69 ms of which 3 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 2/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1057 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1563ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 135 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 167 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 167 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 239 ms. (166 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 392194 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 392194 steps, saw 260453 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2025-05-31 02:55:42] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:55:42] [INFO ] Invariant cache hit.
[2025-05-31 02:55:42] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 501 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:55:43] [INFO ] Deduced a trap composed of 11 places in 96 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:55:43] [INFO ] Deduced a trap composed of 3 places in 80 ms of which 3 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 1/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1069 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1584ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 114 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 212 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 212 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 156 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:55:44] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:55:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:55:45] [INFO ] Implicit Places using invariants in 982 ms returned []
[2025-05-31 02:55:45] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:55:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:55:45] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:55:49] [INFO ] Implicit Places using invariants and state equation in 4332 ms returned []
Implicit Place search using SMT with State Equation took 5320 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:55:49] [INFO ] Redundant transitions in 137 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:55:49] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:55:49] [INFO ] Invariant cache hit.
[2025-05-31 02:55:49] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32027ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32034ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37674 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 56 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 02:56:21] [INFO ] Computed 21 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:56:22] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:56:22] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 02:56:22] [INFO ] After 36ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:56:22] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 02:56:22] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:56:22] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:56:22] [INFO ] After 99ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 193 ms.
RANDOM walk for 40000 steps (8 resets) in 314 ms. (126 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 390643 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 390643 steps, saw 259630 distinct states, run finished after 3003 ms. (steps per millisecond=130 ) properties seen :0
[2025-05-31 02:56:25] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 02:56:25] [INFO ] Computed 31 invariants in 12 ms
[2025-05-31 02:56:25] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 480 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:56:25] [INFO ] Deduced a trap composed of 3 places in 61 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 172/332 variables, 10/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 1/75 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 12/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/332 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 234/566 variables, 108/195 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 33/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/566 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 396/962 variables, 18/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/962 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 18/980 variables, 9/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:56:26] [INFO ] Deduced a trap composed of 13 places in 104 ms of which 4 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 1/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/980 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 630/1610 variables, 414/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 389/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:56:26] [INFO ] Deduced a trap composed of 3 places in 110 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:56:26] [INFO ] Deduced a trap composed of 3 places in 148 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:56:26] [INFO ] Deduced a trap composed of 31 places in 114 ms of which 7 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 3/1063 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1063 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1063 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1063 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1542 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2052ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 160 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 145 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 314 ms. (126 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 389411 steps, run timeout after 3001 ms. (steps per millisecond=129 ) properties seen :0 out of 1
Probabilistic random walk after 389411 steps, saw 258831 distinct states, run finished after 3001 ms. (steps per millisecond=129 ) properties seen :0
[2025-05-31 02:56:30] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:56:30] [INFO ] Invariant cache hit.
[2025-05-31 02:56:30] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 519 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:56:31] [INFO ] Deduced a trap composed of 13 places in 101 ms of which 3 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 963 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1494ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 148 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 160 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 137 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:56:32] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:56:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:56:33] [INFO ] Implicit Places using invariants in 959 ms returned []
[2025-05-31 02:56:33] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:56:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:56:33] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:56:38] [INFO ] Implicit Places using invariants and state equation in 4387 ms returned []
Implicit Place search using SMT with State Equation took 5349 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:56:38] [INFO ] Redundant transitions in 133 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:56:38] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:56:38] [INFO ] Invariant cache hit.
[2025-05-31 02:56:38] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32022ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32030ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37667 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 50 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 02:57:10] [INFO ] Computed 21 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:57:10] [INFO ] After 123ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:57:10] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 02:57:10] [INFO ] After 53ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:57:10] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 02:57:10] [INFO ] After 7ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:57:10] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:57:10] [INFO ] After 106ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 291 ms.
RANDOM walk for 40000 steps (8 resets) in 294 ms. (135 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :3.9784e+07 after 1.32765e+08
Interrupted probabilistic random walk after 399201 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 399201 steps, saw 264653 distinct states, run finished after 3001 ms. (steps per millisecond=133 ) properties seen :0
[2025-05-31 02:57:13] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 02:57:13] [INFO ] Computed 31 invariants in 12 ms
[2025-05-31 02:57:13] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 491 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:57:14] [INFO ] Deduced a trap composed of 15 places in 100 ms of which 4 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:57:14] [INFO ] Deduced a trap composed of 3 places in 133 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:57:15] [INFO ] Deduced a trap composed of 25 places in 106 ms of which 7 ms to minimize.
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 2/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1061 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1259 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1776ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 116 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 141 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 375 ms. (106 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 392227 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 1
Probabilistic random walk after 392227 steps, saw 260476 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2025-05-31 02:57:18] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:57:18] [INFO ] Invariant cache hit.
[2025-05-31 02:57:18] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 495 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:57:19] [INFO ] Deduced a trap composed of 11 places in 130 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:57:19] [INFO ] Deduced a trap composed of 13 places in 92 ms of which 5 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1062 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1578ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 70 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 150 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 136 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:57:20] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:57:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:57:21] [INFO ] Implicit Places using invariants in 1008 ms returned []
[2025-05-31 02:57:21] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:57:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:57:22] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:57:26] [INFO ] Implicit Places using invariants and state equation in 4264 ms returned []
Implicit Place search using SMT with State Equation took 5279 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:57:26] [INFO ] Redundant transitions in 131 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:57:26] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:57:26] [INFO ] Invariant cache hit.
[2025-05-31 02:57:26] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32065ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32072ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37637 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 33 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 02:57:58] [INFO ] Computed 21 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:57:58] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:57:58] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 02:57:58] [INFO ] After 41ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:57:58] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 02:57:58] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:57:58] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:57:58] [INFO ] After 87ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 155 ms.
RANDOM walk for 40000 steps (8 resets) in 269 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 45 ms. (869 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 399773 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 399773 steps, saw 265045 distinct states, run finished after 3001 ms. (steps per millisecond=133 ) properties seen :0
[2025-05-31 02:58:01] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 02:58:01] [INFO ] Computed 31 invariants in 8 ms
[2025-05-31 02:58:01] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 464 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:02] [INFO ] Deduced a trap composed of 71 places in 460 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:03] [INFO ] Deduced a trap composed of 19 places in 512 ms of which 34 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:03] [INFO ] Deduced a trap composed of 72 places in 483 ms of which 61 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/980 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 630/1610 variables, 414/672 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 389/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:04] [INFO ] Deduced a trap composed of 3 places in 134 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:04] [INFO ] Deduced a trap composed of 3 places in 98 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:04] [INFO ] Deduced a trap composed of 3 places in 67 ms of which 2 ms to minimize.
At refinement iteration 24 (INCLUDED_ONLY) 0/1610 variables, 3/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/1610 variables, 0/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 0/1610 variables, 0/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1064 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2764 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3251ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 141 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 128 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 404 ms. (98 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 400752 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 400752 steps, saw 265641 distinct states, run finished after 3002 ms. (steps per millisecond=133 ) properties seen :0
[2025-05-31 02:58:08] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:58:08] [INFO ] Invariant cache hit.
[2025-05-31 02:58:08] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 487 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:09] [INFO ] Deduced a trap composed of 3 places in 70 ms of which 3 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 883 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1382ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 139 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 145 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 137 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:58:10] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:58:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:58:10] [INFO ] Implicit Places using invariants in 986 ms returned []
[2025-05-31 02:58:10] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:58:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:58:11] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:58:15] [INFO ] Implicit Places using invariants and state equation in 4424 ms returned []
Implicit Place search using SMT with State Equation took 5416 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:58:15] [INFO ] Redundant transitions in 133 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:58:15] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:58:15] [INFO ] Invariant cache hit.
[2025-05-31 02:58:15] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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(s576 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32094ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37811 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 3 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 40 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 02:58:47] [INFO ] Computed 21 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:58:47] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:58:47] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 02:58:47] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:58:47] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 02:58:47] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:58:47] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:58:47] [INFO ] After 98ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 175 ms.
RANDOM walk for 40000 steps (8 resets) in 258 ms. (154 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 406285 steps, run timeout after 3001 ms. (steps per millisecond=135 ) properties seen :0 out of 1
Probabilistic random walk after 406285 steps, saw 269147 distinct states, run finished after 3001 ms. (steps per millisecond=135 ) properties seen :0
[2025-05-31 02:58:50] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 02:58:50] [INFO ] Computed 31 invariants in 11 ms
[2025-05-31 02:58:50] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 506 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:52] [INFO ] Deduced a trap composed of 21 places in 456 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:58:52] [INFO ] Deduced a trap composed of 72 places in 509 ms of which 63 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/671 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1060 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1878 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2408ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 116 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 163 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 311 ms. (128 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 398860 steps, run timeout after 3001 ms. (steps per millisecond=132 ) properties seen :0 out of 1
Probabilistic random walk after 398860 steps, saw 264429 distinct states, run finished after 3001 ms. (steps per millisecond=132 ) properties seen :0
[2025-05-31 02:58:56] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:58:56] [INFO ] Invariant cache hit.
[2025-05-31 02:58:56] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 0/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1610 variables, 0/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1058 constraints, problems are : Problem set: 0 solved, 1 unsolved in 742 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1225ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 105 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 142 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 132 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:58:58] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:58:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:58:59] [INFO ] Implicit Places using invariants in 1052 ms returned []
[2025-05-31 02:58:59] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:58:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:58:59] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:59:03] [INFO ] Implicit Places using invariants and state equation in 4442 ms returned []
Implicit Place search using SMT with State Equation took 5497 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:59:04] [INFO ] Redundant transitions in 132 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:59:04] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:59:04] [INFO ] Invariant cache hit.
[2025-05-31 02:59:04] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,9 properties remain. new max is 32768
SDD size :1.32765e+08 after 3.35291e+08
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 31993ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32000ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37778 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 48 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 02:59:36] [INFO ] Computed 21 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:59:36] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 02:59:36] [INFO ] [Nat]Absence check using 21 positive place invariants in 4 ms returned sat
[2025-05-31 02:59:36] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 02:59:36] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 02:59:36] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 02:59:36] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 02:59:36] [INFO ] After 95ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 182 ms.
RANDOM walk for 40000 steps (8 resets) in 339 ms. (117 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 404525 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 1
Probabilistic random walk after 404525 steps, saw 268002 distinct states, run finished after 3004 ms. (steps per millisecond=134 ) properties seen :0
[2025-05-31 02:59:39] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 02:59:39] [INFO ] Computed 31 invariants in 9 ms
[2025-05-31 02:59:39] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 471 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:59:40] [INFO ] Deduced a trap composed of 23 places in 467 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:59:41] [INFO ] Deduced a trap composed of 72 places in 478 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:59:41] [INFO ] Deduced a trap composed of 72 places in 420 ms of which 39 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 3/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/672 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1061 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1061 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2236 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2733ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 158 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 129 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 319 ms. (125 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 402050 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 402050 steps, saw 266539 distinct states, run finished after 3002 ms. (steps per millisecond=133 ) properties seen :0
[2025-05-31 02:59:45] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:59:45] [INFO ] Invariant cache hit.
[2025-05-31 02:59:45] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 489 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 02:59:46] [INFO ] Deduced a trap composed of 3 places in 72 ms of which 2 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 925 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1426ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 114 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 153 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 148 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 02:59:47] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:59:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:59:48] [INFO ] Implicit Places using invariants in 1002 ms returned []
[2025-05-31 02:59:48] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:59:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 02:59:48] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 02:59:52] [INFO ] Implicit Places using invariants and state equation in 4249 ms returned []
Implicit Place search using SMT with State Equation took 5257 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 02:59:52] [INFO ] Redundant transitions in 133 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 02:59:52] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 02:59:52] [INFO ] Invariant cache hit.
[2025-05-31 02:59:52] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32012ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32019ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37576 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 29 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 03:00:24] [INFO ] Computed 21 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:00:24] [INFO ] After 46ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:00:24] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 03:00:24] [INFO ] After 47ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 03:00:24] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 03:00:24] [INFO ] After 6ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 03:00:24] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 03:00:24] [INFO ] After 95ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 177 ms.
RANDOM walk for 40000 steps (8 resets) in 281 ms. (141 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 399630 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 399630 steps, saw 264963 distinct states, run finished after 3001 ms. (steps per millisecond=133 ) properties seen :0
[2025-05-31 03:00:28] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 03:00:28] [INFO ] Computed 31 invariants in 12 ms
[2025-05-31 03:00:28] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 470 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 03:00:28] [INFO ] Deduced a trap composed of 25 places in 96 ms of which 5 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 929 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1425ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 74 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 160 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 268 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 396770 steps, run timeout after 3001 ms. (steps per millisecond=132 ) properties seen :0 out of 1
Probabilistic random walk after 396770 steps, saw 263369 distinct states, run finished after 3001 ms. (steps per millisecond=132 ) properties seen :0
[2025-05-31 03:00:32] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:00:32] [INFO ] Invariant cache hit.
[2025-05-31 03:00:32] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 474 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 03:00:33] [INFO ] Deduced a trap composed of 3 places in 71 ms of which 2 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 908 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1402ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 152 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 128 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 129 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 158 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 03:00:34] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:00:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 03:00:35] [INFO ] Implicit Places using invariants in 1039 ms returned []
[2025-05-31 03:00:35] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:00:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 03:00:36] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 03:00:40] [INFO ] Implicit Places using invariants and state equation in 4387 ms returned []
Implicit Place search using SMT with State Equation took 5427 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 03:00:40] [INFO ] Redundant transitions in 134 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 03:00:40] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:00:40] [INFO ] Invariant cache hit.
[2025-05-31 03:00:40] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 31998ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32008ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37774 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 1 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 0 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 28 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 03:01:12] [INFO ] Computed 21 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:01:12] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:01:12] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 03:01:12] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 03:01:12] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 03:01:12] [INFO ] After 7ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 03:01:12] [INFO ] After 16ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 03:01:12] [INFO ] After 94ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 158 ms.
RANDOM walk for 40000 steps (8 resets) in 252 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 412016 steps, run timeout after 3001 ms. (steps per millisecond=137 ) properties seen :0 out of 1
Probabilistic random walk after 412016 steps, saw 272114 distinct states, run finished after 3002 ms. (steps per millisecond=137 ) properties seen :0
[2025-05-31 03:01:15] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
// Phase 1: matrix 1020 rows 590 cols
[2025-05-31 03:01:15] [INFO ] Computed 31 invariants in 6 ms
[2025-05-31 03:01:15] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 470 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 630/1610 variables, 414/669 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 389/1058 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 03:01:16] [INFO ] Deduced a trap composed of 3 places in 70 ms of which 2 ms to minimize.
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 1/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 912 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1406ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 113 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 135 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 590/590 places, 3890/3890 transitions.
RANDOM walk for 40000 steps (8 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 400543 steps, run timeout after 3001 ms. (steps per millisecond=133 ) properties seen :0 out of 1
Probabilistic random walk after 400543 steps, saw 265527 distinct states, run finished after 3002 ms. (steps per millisecond=133 ) properties seen :0
[2025-05-31 03:01:20] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:01:20] [INFO ] Invariant cache hit.
[2025-05-31 03:01:20] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 630/1610 variables, 414/668 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1610 variables, 389/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1610 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1610/1610 variables, and 1057 constraints, problems are : Problem set: 0 solved, 1 unsolved in 512 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 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
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
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) 55/56 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/58 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/58 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 102/160 variables, 58/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 2/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 172/332 variables, 10/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/332 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/332 variables, 12/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/332 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 234/566 variables, 108/194 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/566 variables, 33/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/566 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 396/962 variables, 18/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/962 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 18/980 variables, 9/254 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/980 variables, 1/255 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-31 03:01:21] [INFO ] Deduced a trap composed of 58 places in 424 ms of which 35 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/980 variables, 1/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/980 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 630/1610 variables, 414/670 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1610 variables, 389/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1610 variables, 0/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1610/1610 variables, and 1059 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1275 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 590/590 constraints, ReadFeed: 436/436 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1808ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 155 ms.
Support contains 1 out of 590 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 149 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 ms. Remains : 590/590 places, 3890/3890 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 590/590 places, 3890/3890 transitions.
Applied a total of 0 rules in 144 ms. Remains 590 /590 variables (removed 0) and now considering 3890/3890 (removed 0) transitions.
[2025-05-31 03:01:22] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:01:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 03:01:23] [INFO ] Implicit Places using invariants in 1037 ms returned []
[2025-05-31 03:01:23] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:01:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 03:01:23] [INFO ] State equation strengthened by 436 read => feed constraints.
[2025-05-31 03:01:27] [INFO ] Implicit Places using invariants and state equation in 4404 ms returned []
Implicit Place search using SMT with State Equation took 5453 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 03:01:28] [INFO ] Redundant transitions in 152 ms returned []
Running 3880 sub problems to find dead transitions.
[2025-05-31 03:01:28] [INFO ] Flow matrix only has 1020 transitions (discarded 2870 similar events)
[2025-05-31 03:01:28] [INFO ] Invariant cache hit.
[2025-05-31 03:01:28] [INFO ] State equation strengthened by 436 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/590 variables, 21/21 constraints. Problems are: Problem set: 0 solved, 3880 unsolved
SMT process timed out in 32057ms, After SMT, problems are : Problem set: 0 solved, 3880 unsolved
Search for dead transitions found 0 dead transitions in 32065ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37830 ms. Remains : 590/590 places, 3890/3890 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3668 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 0 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 1 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 179 Post agglomeration using F-continuation condition.Transition count delta: 179
Deduced a syphon composed of 179 places in 1 ms
Reduce places removed 179 places and 0 transitions.
Iterating global reduction 2 with 358 rules applied. Total rules applied 649 place count 171 transition count 431
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 739 place count 171 transition count 341
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 759 place count 161 transition count 341
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 769 place count 161 transition count 331
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 779 place count 161 transition count 321
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 869 place count 161 transition count 231
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 959 place count 71 transition count 231
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 969 place count 71 transition count 231
Applied a total of 969 rules in 33 ms. Remains 71 /590 variables (removed 519) and now considering 231/3890 (removed 3659) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 231 rows 71 cols
[2025-05-31 03:02:00] [INFO ] Computed 21 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:02:00] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:02:00] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 03:02:00] [INFO ] After 47ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-05-31 03:02:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 03:02:00] [INFO ] After 7ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-05-31 03:02:00] [INFO ] After 15ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-05-31 03:02:00] [INFO ] After 102ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 173 ms.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 3652 edges and 590 vertex of which 100 / 590 are part of one of the 10 SCC in 3 ms
Free SCC test removed 90 places
Drop transitions (Empty/Sink Transition effects.) removed 350 transitions
Ensure Unique test removed 2790 transitions
Reduce isomorphic transitions removed 3140 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 119 transitions
Trivial Post-agglo rules discarded 119 transitions
Performed 119 trivial Post agglomeration. Transition count delta: 119
Iterating post reduction 0 with 119 rules applied. Total rules applied 120 place count 500 transition count 631
Reduce places removed 119 places and 0 transitions.
Iterating post reduction 1 with 119 rules applied. Total rules applied 239 place count 381 transition count 631
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 239 place count 381 transition count 610
Deduced a syphon composed of 21 places in 0 ms
Ensure Unique test removed 10 places
Reduce places removed 31 places and 0 transitions.
Iterating global reduction 2 with 52 rules applied. Total rules applied 291 place count 350 transition count 610
Performed 171 Post agglomeration using F-continuation condition.Transition count delta: 171
Deduced a syphon composed of 171 places in 0 ms
Reduce places removed 171 places and 0 transitions.
Iterating global reduction 2 with 342 rules applied. Total rules applied 633 place count 179 transition count 439
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 723 place count 179 transition count 349
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 743 place count 169 transition count 349
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 753 place count 169 transition count 339
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 4 with 10 rules applied. Total rules applied 763 place count 169 transition count 329
Free-agglomeration rule applied 90 times.
Iterating global reduction 4 with 90 rules applied. Total rules applied 853 place count 169 transition count 239
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 4 with 90 rules applied. Total rules applied 943 place count 79 transition count 239
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 5 with 10 rules applied. Total rules applied 953 place count 79 transition count 239
Applied a total of 953 rules in 44 ms. Remains 79 /590 variables (removed 511) and now considering 239/3890 (removed 3651) transitions.
Running SMT prover for 9 properties.
// Phase 1: matrix 239 rows 79 cols
[2025-05-31 03:02:00] [INFO ] Computed 21 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:02:00] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-31 03:02:00] [INFO ] [Nat]Absence check using 21 positive place invariants in 3 ms returned sat
[2025-05-31 03:02:00] [INFO ] After 91ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2025-05-31 03:02:00] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-05-31 03:02:00] [INFO ] After 50ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2025-05-31 03:02:00] [INFO ] After 140ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2025-05-31 03:02:00] [INFO ] After 343ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
[2025-05-31 03:02:00] [INFO ] Flatten gal took : 13 ms
[2025-05-31 03:02:00] [INFO ] Flatten gal took : 8 ms
[2025-05-31 03:02:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4278925265422931992.gal : 2 ms
[2025-05-31 03:02:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13649745011179471836.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4278925265422931992.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13649745011179471836.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13649745011179471836.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 16
Invariant property smplace_979 does not hold.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :16 after 60
Invariant property smplace_991 does not hold.
Invariant property smplace_990 does not hold.
Invariant property smplace_980 does not hold.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :60 after 300
Invariant property smplace_1002 does not hold.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :300 after 1500
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :1500 after 2148
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :2148 after 2236
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :2236 after 2320
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :2320 after 2785
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :2785 after 3752
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :3752 after 11796
Invariant property smplace_1024 does not hold.
Invariant property smplace_1023 does not hold.
Invariant property smplace_1013 does not hold.
Invariant property smplace_1012 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 257 fixpoint passes
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,6.69075e+07,0.05534,6556,2,645,24,6329,6,0,558,4019,0
Total reachable state count : 66907548

Verifying 9 reachability properties.
Invariant property smplace_979 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\_979,12,0.055888,6556,2,96,24,6329,7,0,561,4019,0
Invariant property smplace_980 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\_980,8,0.056092,6556,2,84,24,6329,8,0,563,4019,0
Invariant property smplace_990 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\_990,18,0.056248,6556,2,117,24,6329,9,0,565,4019,0
Invariant property smplace_991 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\_991,18,0.0564,6556,2,117,24,6329,10,0,567,4019,0
Invariant property smplace_1002 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\_1002,144,0.056565,6556,2,173,24,6329,11,0,569,4019,0
Invariant property smplace_1012 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\_1012,6048,0.056747,6556,2,296,24,6329,12,0,571,4019,0
Invariant property smplace_1013 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\_1013,6048,0.056934,6556,2,296,24,6329,13,0,573,4019,0
Invariant property smplace_1023 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\_1023,63504,0.057123,6556,2,330,24,6329,14,0,575,4019,0
Invariant property smplace_1024 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\_1024,63504,0.057315,6556,2,330,24,6329,15,0,577,4019,0
Over-approximation ignoring read arcs solved 0 properties in 529 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-31 03:02:01] [INFO ] Flatten gal took : 90 ms
[2025-05-31 03:02:01] [INFO ] Flatten gal took : 91 ms
[2025-05-31 03:02:01] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability1161544622129009134.gal : 22 ms
[2025-05-31 03:02:01] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability14552209451973521742.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability1161544622129009134.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability14552209451973521742.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability14552209451973521742.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :9 after 25
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :25 after 33
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :33 after 85
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :85 after 290
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :290 after 382
Detected timeout of ITS tools.
[2025-05-31 03:02:04] [INFO ] Flatten gal took : 89 ms
[2025-05-31 03:02:04] [INFO ] Applying decomposition
[2025-05-31 03:02:04] [INFO ] Flatten gal took : 90 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph1506187226099912963.txt' '-o' '/tmp/graph1506187226099912963.bin' '-w' '/tmp/graph1506187226099912963.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1506187226099912963.bin' '-l' '-1' '-v' '-w' '/tmp/graph1506187226099912963.weights' '-q' '0' '-e' '0.001'
[2025-05-31 03:02:04] [INFO ] Decomposing Gal with order
[2025-05-31 03:02:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 03:02:05] [INFO ] Removed a total of 8738 redundant transitions.
[2025-05-31 03:02:05] [INFO ] Flatten gal took : 257 ms
[2025-05-31 03:02:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 805 labels/synchronizations in 140 ms.
[2025-05-31 03:02:05] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability895321501053066573.gal : 20 ms
[2025-05-31 03:02:05] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability15053527639721575215.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability895321501053066573.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability15053527639721575215.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityFireability15053527639721575215.prop.
Invariant property smplace_980 does not hold.
SDD proceeding with computation,8 properties remain. new max is 2
SDD size :1 after 10087
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :10087 after 14085
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :14085 after 65944
Detected timeout of ITS tools.
[2025-05-31 03:02:08] [INFO ] Flatten gal took : 87 ms
[2025-05-31 03:02:08] [INFO ] Flatten gal took : 90 ms
[2025-05-31 03:02:08] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability17279224869039909677.gal : 12 ms
[2025-05-31 03:02:08] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability9203097181772787068.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability17279224869039909677.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability9203097181772787068.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability9203097181772787068.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :9 after 25
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :25 after 33
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :33 after 85
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :85 after 290
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :290 after 382
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :382 after 1081
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :1081 after 4189
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :4189 after 6627
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :6627 after 17797
Detected timeout of ITS tools.
[2025-05-31 03:02:38] [INFO ] Flatten gal took : 84 ms
[2025-05-31 03:02:38] [INFO ] Applying decomposition
[2025-05-31 03:02:38] [INFO ] Flatten gal took : 85 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14056372341181810304.txt' '-o' '/tmp/graph14056372341181810304.bin' '-w' '/tmp/graph14056372341181810304.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14056372341181810304.bin' '-l' '-1' '-v' '-w' '/tmp/graph14056372341181810304.weights' '-q' '0' '-e' '0.001'
[2025-05-31 03:02:39] [INFO ] Decomposing Gal with order
[2025-05-31 03:02:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 03:02:39] [INFO ] Removed a total of 8754 redundant transitions.
[2025-05-31 03:02:39] [INFO ] Flatten gal took : 243 ms
[2025-05-31 03:02:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 763 labels/synchronizations in 76 ms.
[2025-05-31 03:02:39] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability17860767927760431685.gal : 15 ms
[2025-05-31 03:02:39] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability13965151188028532721.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability17860767927760431685.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability13965151188028532721.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityFireability13965151188028532721.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 8601
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :8601 after 8613
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :8613 after 8946
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :8946 after 9810
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :9810 after 59197
Invariant property smplace_1002 does not hold.
Invariant property smplace_991 does not hold.
Invariant property smplace_990 does not hold.
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :59197 after 333149
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :333149 after 375968
Detected timeout of ITS tools.
[2025-05-31 03:03:09] [INFO ] Flatten gal took : 84 ms
[2025-05-31 03:03:09] [INFO ] Flatten gal took : 86 ms
[2025-05-31 03:03:09] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability2881751122004751530.gal : 12 ms
[2025-05-31 03:03:09] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability15222615304499359616.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability2881751122004751530.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability15222615304499359616.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityFireability15222615304499359616.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :9 after 25
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :25 after 33
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :33 after 85
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :85 after 290
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :290 after 382
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :382 after 1081
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :1081 after 4189
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :4189 after 6627
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :6627 after 17797
SDD proceeding with computation,5 properties remain. new max is 32768
SDD size :17797 after 83667
SDD proceeding with computation,5 properties remain. new max is 65536
SDD size :83667 after 137008
SDD proceeding with computation,5 properties remain. new max is 131072
SDD size :137008 after 358752
Detected timeout of ITS tools.
[2025-05-31 03:08:10] [INFO ] Flatten gal took : 80 ms
[2025-05-31 03:08:10] [INFO ] Applying decomposition
[2025-05-31 03:08:10] [INFO ] Flatten gal took : 98 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8399913554682709474.txt' '-o' '/tmp/graph8399913554682709474.bin' '-w' '/tmp/graph8399913554682709474.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8399913554682709474.bin' '-l' '-1' '-v' '-w' '/tmp/graph8399913554682709474.weights' '-q' '0' '-e' '0.001'
[2025-05-31 03:08:10] [INFO ] Decomposing Gal with order
[2025-05-31 03:08:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 03:08:10] [INFO ] Removed a total of 8764 redundant transitions.
[2025-05-31 03:08:10] [INFO ] Flatten gal took : 231 ms
[2025-05-31 03:08:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 736 labels/synchronizations in 72 ms.
[2025-05-31 03:08:10] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability5376864964092345513.gal : 12 ms
[2025-05-31 03:08:10] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability422757954591985741.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability5376864964092345513.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability422757954591985741.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityFireability422757954591985741.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 6428
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :6428 after 92150
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :92150 after 231970
Invariant property smplace_1024 does not hold.
Invariant property smplace_1023 does not hold.
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :231970 after 2.1311e+06
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :2.1311e+06 after 6.68069e+06
Invariant property smplace_1013 does not hold.
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :6.68069e+06 after 1.80954e+07
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1.80954e+07 after 1.89277e+07
Detected timeout of ITS tools.
[2025-05-31 03:13:11] [INFO ] Flatten gal took : 97 ms
[2025-05-31 03:13:11] [INFO ] Flatten gal took : 77 ms
[2025-05-31 03:13:11] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability11712346195232941542.gal : 14 ms
[2025-05-31 03:13:11] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability18143323651615548667.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityFireability11712346195232941542.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability18143323651615548667.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityFireability18143323651615548667.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :9 after 25
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :25 after 33
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :33 after 85
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :85 after 290
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :290 after 382
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :382 after 1081
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1081 after 4189
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :4189 after 6627
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :6627 after 17797
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :17797 after 83667

BK_TIME_CONFINEMENT_REACHED

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="EisenbergMcGuire-PT-10"
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 2-5832"
echo " Executing tool itstools"
echo " Input is EisenbergMcGuire-PT-10, 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 r077-tall-174860075000508"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EisenbergMcGuire-PT-10.tgz
mv EisenbergMcGuire-PT-10 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 ;