fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r007-tall-174853737000113
Last Updated
June 24, 2025

About the Execution of ITS-Tools for Anderson-PT-08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 137993.00 0.00 0.00 F normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r007-tall-174853737000113.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)
..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Anderson-PT-08, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-tall-174853737000113
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K 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 2.8K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K 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 667K 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 1748539013062

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Anderson-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2025-05-29 17:16:54] [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]
[2025-05-29 17:16:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 17:16:54] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2025-05-29 17:16:54] [INFO ] Transformed 401 places.
[2025-05-29 17:16:54] [INFO ] Transformed 1328 transitions.
[2025-05-29 17:16:54] [INFO ] Found NUPN structural information;
[2025-05-29 17:16:54] [INFO ] Parsed PT model containing 401 places and 1328 transitions and 5088 arcs in 222 ms.
[2025-05-29 17:16:55] [INFO ] Flatten gal took : 321 ms
[2025-05-29 17:16:55] [INFO ] Flatten gal took : 204 ms
[2025-05-29 17:16:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11393466914663965578.gal : 49 ms
RANDOM walk for 40000 steps (8 resets) in 3075 ms. (13 steps per ms) remains 44/401 properties
[2025-05-29 17:16:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1720805701878766953.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11393466914663965578.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1720805701878766953.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (8 resets) in 47 ms. (83 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (8 resets) in 63 ms. (62 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4003 steps (8 resets) in 45 ms. (87 steps per ms) remains 44/44 properties
BEST_FIRST walk for 4002 steps (8 resets) in 70 ms. (56 steps per ms) remains 43/44 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 43/43 properties

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
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 43/43 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 40/43 properties
BEST_FIRST walk for 4002 steps (8 resets) in 25 ms. (153 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 22 ms. (174 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4001 steps (8 resets) in 18 ms. (210 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 40/40 properties
Loading property file /tmp/ReachabilityCardinality1720805701878766953.prop.
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 17 ms. (222 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4001 steps (8 resets) in 28 ms. (137 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 19 ms. (200 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4002 steps (8 resets) in 65 ms. (60 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 40/40 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 39/40 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (8 resets) in 28 ms. (138 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (8 resets) in 29 ms. (133 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4000 steps (8 resets) in 28 ms. (137 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (8 resets) in 20 ms. (190 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (8 resets) in 26 ms. (148 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4002 steps (8 resets) in 18 ms. (210 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (8 resets) in 16 ms. (235 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4003 steps (8 resets) in 44 ms. (88 steps per ms) remains 39/39 properties
BEST_FIRST walk for 4001 steps (8 resets) in 16 ms. (235 steps per ms) remains 39/39 properties
Invariant property smplace_209 does not hold.
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 38/39 properties
Invariant property smplace_89 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_10 does not hold.
Invariant property smplace_9 does not hold.
SDD proceeding with computation,396 properties remain. new max is 2
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 38/38 properties
SDD size :1 after 3
BEST_FIRST walk for 4002 steps (8 resets) in 15 ms. (250 steps per ms) remains 38/38 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 38/38 properties
Invariant property smplace_273 does not hold.
SDD proceeding with computation,395 properties remain. new max is 2
SDD size :3 after 4
Invariant property smplace_218 does not hold.
Invariant property smplace_105 does not hold.
Invariant property smplace_104 does not hold.
// Phase 1: matrix 1328 rows 401 cols
Invariant property smplace_33 does not hold.
Invariant property smplace_11 does not hold.
SDD proceeding with computation,390 properties remain. new max is 2
SDD size :4 after 9
[2025-05-29 17:16:56] [INFO ] Computed 19 invariants in 45 ms
SDD proceeding with computation,390 properties remain. new max is 4
SDD size :9 after 11
[2025-05-29 17:16:56] [INFO ] State equation strengthened by 56 read => feed constraints.
Invariant property smplace_217 does not hold.
SDD proceeding with computation,389 properties remain. new max is 4
SDD size :11 after 12
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Invariant property smplace_281 does not hold.
Invariant property smplace_210 does not hold.
Invariant property smplace_90 does not hold.
SDD proceeding with computation,386 properties remain. new max is 4
SDD size :12 after 17
SDD proceeding with computation,386 properties remain. new max is 8
SDD size :17 after 19
Invariant property smplace_227 does not hold.
Invariant property smplace_121 does not hold.
Invariant property smplace_120 does not hold.
Invariant property smplace_119 does not hold.
Invariant property smplace_41 does not hold.
Invariant property smplace_12 does not hold.
SDD proceeding with computation,380 properties remain. new max is 8
SDD size :19 after 46
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 38 unsolved
SDD proceeding with computation,380 properties remain. new max is 16
SDD size :46 after 48
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 38 unsolved
SDD proceeding with computation,380 properties remain. new max is 32
SDD size :48 after 50
At refinement iteration 2 (OVERLAPS) 341/379 variables, 8/46 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/379 variables, 341/387 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_226 does not hold.
SDD proceeding with computation,379 properties remain. new max is 32
SDD size :50 after 55
Invariant property smplace_211 does not hold.
Invariant property smplace_91 does not hold.
SDD proceeding with computation,377 properties remain. new max is 32
SDD size :55 after 67
SDD proceeding with computation,377 properties remain. new max is 64
SDD size :67 after 68
Invariant property smplace_289 does not hold.
Invariant property smplace_225 does not hold.
SDD proceeding with computation,375 properties remain. new max is 64
SDD size :68 after 76
Invariant property smplace_219 does not hold.
Invariant property smplace_106 does not hold.
SDD proceeding with computation,373 properties remain. new max is 64
SDD size :76 after 106
At refinement iteration 4 (INCLUDED_ONLY) 0/379 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (OVERLAPS) 8/387 variables, 1/388 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/387 variables, 8/396 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_236 does not hold.
Invariant property smplace_235 does not hold.
Invariant property smplace_137 does not hold.
Invariant property smplace_136 does not hold.
Invariant property smplace_135 does not hold.
Invariant property smplace_134 does not hold.
Invariant property smplace_49 does not hold.
Invariant property smplace_13 does not hold.
SDD proceeding with computation,365 properties remain. new max is 64
SDD size :106 after 320
Invariant property smplace_234 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_92 does not hold.
SDD proceeding with computation,362 properties remain. new max is 64
SDD size :320 after 385
SDD proceeding with computation,362 properties remain. new max is 128
SDD size :385 after 403
At refinement iteration 7 (INCLUDED_ONLY) 0/387 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_220 does not hold.
Invariant property smplace_107 does not hold.
SDD proceeding with computation,360 properties remain. new max is 128
SDD size :403 after 532
Invariant property smplace_297 does not hold.
At refinement iteration 8 (OVERLAPS) 14/401 variables, 10/406 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_233 does not hold.
SDD proceeding with computation,358 properties remain. new max is 128
SDD size :532 after 570
Invariant property smplace_228 does not hold.
Invariant property smplace_122 does not hold.
SDD proceeding with computation,356 properties remain. new max is 128
SDD size :570 after 828
Invariant property smplace_244 does not hold.
Invariant property smplace_153 does not hold.
Invariant property smplace_152 does not hold.
Invariant property smplace_151 does not hold.
Invariant property smplace_150 does not hold.
Invariant property smplace_149 does not hold.
Invariant property smplace_93 does not hold.
Invariant property smplace_57 does not hold.
Invariant property smplace_14 does not hold.
SDD proceeding with computation,347 properties remain. new max is 128
SDD size :828 after 2186
Invariant property smplace_243 does not hold.
Invariant property smplace_108 does not hold.
SDD proceeding with computation,345 properties remain. new max is 128
SDD size :2186 after 2690
Invariant property smplace_242 does not hold.
SDD proceeding with computation,344 properties remain. new max is 128
SDD size :2690 after 2795
At refinement iteration 9 (INCLUDED_ONLY) 0/401 variables, 14/420 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_123 does not hold.
SDD proceeding with computation,343 properties remain. new max is 128
SDD size :2795 after 3631
SDD proceeding with computation,343 properties remain. new max is 256
SDD size :3631 after 3768
Invariant property smplace_305 does not hold.
Invariant property smplace_241 does not hold.
SDD proceeding with computation,341 properties remain. new max is 256
SDD size :3768 after 4013
Invariant property smplace_138 does not hold.
SDD proceeding with computation,340 properties remain. new max is 256
SDD size :4013 after 5755
Invariant property smplace_252 does not hold.
Invariant property smplace_251 does not hold.
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
Invariant property smplace_109 does not hold.
Invariant property smplace_94 does not hold.
Invariant property smplace_65 does not hold.
Invariant property smplace_15 does not hold.
SDD proceeding with computation,328 properties remain. new max is 256
SDD size :5755 after 15328
Invariant property smplace_250 does not hold.
Invariant property smplace_124 does not hold.
SDD proceeding with computation,326 properties remain. new max is 256
SDD size :15328 after 18463
At refinement iteration 10 (INCLUDED_ONLY) 0/401 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 11 (OVERLAPS) 1328/1729 variables, 401/821 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1729 variables, 56/877 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_139 does not hold.
SDD proceeding with computation,325 properties remain. new max is 256
SDD size :18463 after 23947
SDD proceeding with computation,325 properties remain. new max is 512
SDD size :23947 after 25280
Invariant property smplace_313 does not hold.
Invariant property smplace_249 does not hold.
SDD proceeding with computation,323 properties remain. new max is 512
SDD size :25280 after 26023
At refinement iteration 13 (INCLUDED_ONLY) 0/1729 variables, 0/877 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_154 does not hold.
SDD proceeding with computation,322 properties remain. new max is 512
SDD size :26023 after 38942
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1729/1729 variables, and 877 constraints, problems are : Problem set: 0 solved, 38 unsolved in 5039 ms.
Refiners :[Domain max(s): 401/401 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 401/401 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 38/38 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/38 variables, 38/38 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/38 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 2 (OVERLAPS) 341/379 variables, 8/46 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/379 variables, 341/387 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_260 does not hold.
Invariant property smplace_259 does not hold.
Invariant property smplace_184 does not hold.
Invariant property smplace_183 does not hold.
Invariant property smplace_182 does not hold.
Invariant property smplace_181 does not hold.
Invariant property smplace_180 does not hold.
Invariant property smplace_179 does not hold.
Invariant property smplace_73 does not hold.
SDD proceeding with computation,313 properties remain. new max is 512
SDD size :38942 after 86106
At refinement iteration 4 (INCLUDED_ONLY) 0/379 variables, 0/387 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 5 (OVERLAPS) 8/387 variables, 1/388 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/387 variables, 8/396 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Invariant property smplace_258 does not hold.
SDD proceeding with computation,312 properties remain. new max is 512
SDD size :86106 after 96247
At refinement iteration 7 (INCLUDED_ONLY) 0/387 variables, 0/396 constraints. Problems are: Problem set: 0 solved, 38 unsolved
At refinement iteration 8 (OVERLAPS) 14/401 variables, 10/406 constraints. Problems are: Problem set: 0 solved, 38 unsolved
SDD proceeding with computation,312 properties remain. new max is 1024
SDD size :96247 after 117972
At refinement iteration 9 (INCLUDED_ONLY) 0/401 variables, 14/420 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property smplace_321 does not hold.
Invariant property smplace_257 does not hold.
SDD proceeding with computation,310 properties remain. new max is 1024
SDD size :117972 after 125955
[2025-05-29 17:17:04] [INFO ] Deduced a trap composed of 48 places in 561 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 17:17:04] [INFO ] Deduced a trap composed of 47 places in 420 ms of which 39 ms to minimize.
SDD proceeding with computation,310 properties remain. new max is 2048
SDD size :125955 after 181443
At refinement iteration 10 (INCLUDED_ONLY) 0/401 variables, 2/422 constraints. Problems are: Problem set: 0 solved, 38 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 401/1729 variables, and 422 constraints, problems are : Problem set: 0 solved, 38 unsolved in 5015 ms.
Refiners :[Domain max(s): 401/401 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 0/401 constraints, ReadFeed: 0/56 constraints, PredecessorRefiner: 0/38 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10210ms problems are : Problem set: 0 solved, 38 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 38 out of 401 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 401/401 places, 1328/1328 transitions.
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 21 Pre rules applied. Total rules applied 0 place count 401 transition count 1307
Deduced a syphon composed of 21 places in 17 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 0 with 42 rules applied. Total rules applied 42 place count 380 transition count 1307
Discarding 77 places :
Symmetric choice reduction at 0 with 77 rule applications. Total rules 119 place count 303 transition count 446
Iterating global reduction 0 with 77 rules applied. Total rules applied 196 place count 303 transition count 446
Performed 35 Post agglomeration using F-continuation condition.Transition count delta: 35
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 0 with 70 rules applied. Total rules applied 266 place count 268 transition count 411
Applied a total of 266 rules in 183 ms. Remains 268 /401 variables (removed 133) and now considering 411/1328 (removed 917) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 197 ms. Remains : 268/401 places, 411/1328 transitions.
Invariant property smplace_268 does not hold.
Invariant property smplace_267 does not hold.
Invariant property smplace_266 does not hold.
Invariant property smplace_199 does not hold.
Invariant property smplace_198 does not hold.
Invariant property smplace_197 does not hold.
Invariant property smplace_196 does not hold.
Invariant property smplace_195 does not hold.
Invariant property smplace_194 does not hold.
Invariant property smplace_81 does not hold.
SDD proceeding with computation,300 properties remain. new max is 2048
SDD size :181443 after 411366
Invariant property smplace_329 does not hold.
Invariant property smplace_265 does not hold.
SDD proceeding with computation,298 properties remain. new max is 2048
SDD size :411366 after 449155
RANDOM walk for 4000000 steps (8 resets) in 32443 ms. (123 steps per ms) remains 18/38 properties
SDD proceeding with computation,298 properties remain. new max is 4096
SDD size :449155 after 635575
BEST_FIRST walk for 400003 steps (8 resets) in 1445 ms. (276 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1450 ms. (275 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1221 ms. (327 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1296 ms. (308 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1376 ms. (290 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1097 ms. (364 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1320 ms. (302 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1303 ms. (306 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1165 ms. (343 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1153 ms. (346 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1205 ms. (331 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1241 ms. (322 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1162 ms. (343 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1359 ms. (294 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400000 steps (8 resets) in 1311 ms. (304 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1590 ms. (251 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1546 ms. (258 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1689 ms. (236 steps per ms) remains 18/18 properties
// Phase 1: matrix 411 rows 268 cols
[2025-05-29 17:17:24] [INFO ] Computed 19 invariants in 7 ms
[2025-05-29 17:17:24] [INFO ] State equation strengthened by 56 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) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 233/251 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/251 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 8/259 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/259 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 9/268 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 411/679 variables, 268/287 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/679 variables, 56/343 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/679 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (OVERLAPS) 0/679 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 679/679 variables, and 343 constraints, problems are : Problem set: 0 solved, 18 unsolved in 1369 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 268/268 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 233/251 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 17:17:26] [INFO ] Deduced a trap composed of 206 places in 202 ms of which 35 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/251 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/251 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (OVERLAPS) 8/259 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/259 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (OVERLAPS) 9/268 variables, 9/20 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Invariant property smplace_393 does not hold.
At refinement iteration 8 (OVERLAPS) 411/679 variables, 268/288 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Invariant property smplace_385 does not hold.
Invariant property smplace_377 does not hold.
At refinement iteration 9 (INCLUDED_ONLY) 0/679 variables, 56/344 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Invariant property smplace_369 does not hold.
At refinement iteration 10 (INCLUDED_ONLY) 0/679 variables, 18/362 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Invariant property smplace_361 does not hold.
At refinement iteration 11 (INCLUDED_ONLY) 0/679 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 18 unsolved
Invariant property smplace_353 does not hold.
Invariant property smplace_345 does not hold.
Invariant property smplace_337 does not hold.
Invariant property smplace_330 does not hold.
Invariant property smplace_322 does not hold.
Invariant property smplace_314 does not hold.
Invariant property smplace_306 does not hold.
Invariant property smplace_298 does not hold.
Invariant property smplace_290 does not hold.
Invariant property smplace_282 does not hold.
At refinement iteration 12 (OVERLAPS) 0/679 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
Invariant property smplace_274 does not hold.
Invariant property smplace_272 does not hold.
Invariant property smplace_264 does not hold.
Invariant property smplace_256 does not hold.
Invariant property smplace_248 does not hold.
Invariant property smplace_240 does not hold.
Invariant property smplace_232 does not hold.
Invariant property smplace_224 does not hold.
Invariant property smplace_216 does not hold.
Invariant property smplace_201 does not hold.
Invariant property smplace_200 does not hold.
Invariant property smplace_186 does not hold.
Invariant property smplace_185 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_156 does not hold.
Invariant property smplace_155 does not hold.
Invariant property smplace_141 does not hold.
Invariant property smplace_140 does not hold.
Invariant property smplace_126 does not hold.
Invariant property smplace_125 does not hold.
Invariant property smplace_111 does not hold.
Invariant property smplace_110 does not hold.
Invariant property smplace_96 does not hold.
Invariant property smplace_95 does not hold.
Invariant property smplace_17 does not hold.
After SMT solving in domain Int declared 679/679 variables, and 362 constraints, problems are : Problem set: 0 solved, 18 unsolved in 3227 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 268/268 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Invariant property smplace_16 does not hold.
Invariant property smplace_8 does not hold.
After SMT, in 4615ms problems are : Problem set: 0 solved, 18 unsolved
Invariant property smplace_7 does not hold.
Invariant property smplace_0 does not hold.
SDD proceeding with computation,253 properties remain. new max is 4096
SDD size :635575 after 5.94372e+06
Parikh walk visited 0 properties in 330 ms.
Support contains 18 out of 268 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 268/268 places, 411/411 transitions.
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 250 transition count 393
Applied a total of 36 rules in 34 ms. Remains 250 /268 variables (removed 18) and now considering 393/411 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 250/268 places, 393/411 transitions.
SDD proceeding with computation,253 properties remain. new max is 8192
SDD size :5.94372e+06 after 6.05311e+06
SDD proceeding with computation,253 properties remain. new max is 16384
SDD size :6.05311e+06 after 6.38897e+06
RANDOM walk for 4000000 steps (8 resets) in 30040 ms. (133 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1873 ms. (213 steps per ms) remains 18/18 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1974 ms. (202 steps per ms) remains 17/18 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1684 ms. (237 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1274 ms. (313 steps per ms) remains 17/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1891 ms. (211 steps per ms) remains 16/17 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1469 ms. (272 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1905 ms. (209 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1106 ms. (361 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400000 steps (8 resets) in 1566 ms. (255 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1336 ms. (299 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1590 ms. (251 steps per ms) remains 16/16 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1686 ms. (237 steps per ms) remains 15/16 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1577 ms. (253 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1334 ms. (299 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1235 ms. (323 steps per ms) remains 15/15 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1450 ms. (275 steps per ms) remains 15/15 properties
// Phase 1: matrix 393 rows 250 cols
[2025-05-29 17:17:46] [INFO ] Computed 19 invariants in 5 ms
[2025-05-29 17:17:46] [INFO ] State equation strengthened by 56 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) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 218/233 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (OVERLAPS) 8/241 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/241 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 9/250 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 393/643 variables, 250/269 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/643 variables, 56/325 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/643 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 643/643 variables, and 325 constraints, problems are : Problem set: 0 solved, 15 unsolved in 1223 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 250/250 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 218/233 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 17:17:50] [INFO ] Deduced a trap composed of 204 places in 2109 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/233 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/233 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 8/241 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/241 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 9/250 variables, 9/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/250 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 393/643 variables, 250/270 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/643 variables, 56/326 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/643 variables, 15/341 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/643 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 12 (OVERLAPS) 0/643 variables, 0/341 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 643/643 variables, and 341 constraints, problems are : Problem set: 0 solved, 15 unsolved in 5159 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 250/250 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6422ms problems are : Problem set: 0 solved, 15 unsolved
Parikh walk visited 0 properties in 1852 ms.
Support contains 15 out of 250 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 250/250 places, 393/393 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 247 transition count 390
Applied a total of 6 rules in 22 ms. Remains 247 /250 variables (removed 3) and now considering 390/393 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 247/250 places, 390/393 transitions.
RANDOM walk for 4000000 steps (8 resets) in 19179 ms. (208 steps per ms) remains 13/15 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 8963 ms. (446 steps per ms) remains 13/13 properties
Invariant property smplace_394 does not hold.
Invariant property smplace_386 does not hold.
Invariant property smplace_378 does not hold.
Invariant property smplace_370 does not hold.
Invariant property smplace_362 does not hold.
Invariant property smplace_354 does not hold.
Invariant property smplace_346 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_331 does not hold.
Invariant property smplace_323 does not hold.
Invariant property smplace_315 does not hold.
Invariant property smplace_307 does not hold.
Invariant property smplace_299 does not hold.
Invariant property smplace_291 does not hold.
Invariant property smplace_283 does not hold.
Invariant property smplace_275 does not hold.
Invariant property smplace_202 does not hold.
Invariant property smplace_187 does not hold.
Invariant property smplace_172 does not hold.
Invariant property smplace_157 does not hold.
Invariant property smplace_142 does not hold.
Invariant property smplace_127 does not hold.
Invariant property smplace_112 does not hold.
Invariant property smplace_97 does not hold.
Invariant property smplace_82 does not hold.
Invariant property smplace_74 does not hold.
Invariant property smplace_66 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_50 does not hold.
Invariant property smplace_42 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_18 does not hold.
Invariant property smplace_6 does not hold.
BEST_FIRST walk for 4000002 steps (8 resets) in 9231 ms. (433 steps per ms) remains 13/13 properties
SDD proceeding with computation,219 properties remain. new max is 16384
SDD size :6.38897e+06 after 1.13347e+07
BEST_FIRST walk for 4000000 steps (8 resets) in 8568 ms. (466 steps per ms) remains 13/13 properties
SDD proceeding with computation,219 properties remain. new max is 32768
SDD size :1.13347e+07 after 1.15517e+07
BEST_FIRST walk for 4000001 steps (8 resets) in 9287 ms. (430 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 11080 ms. (360 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 8760 ms. (456 steps per ms) remains 13/13 properties
SDD proceeding with computation,219 properties remain. new max is 65536
SDD size :1.15517e+07 after 1.29665e+07
BEST_FIRST walk for 4000002 steps (8 resets) in 9293 ms. (430 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 8997 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 9544 ms. (419 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 9412 ms. (424 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 9345 ms. (427 steps per ms) remains 12/13 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 8276 ms. (483 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 8637 ms. (463 steps per ms) remains 12/12 properties
// Phase 1: matrix 390 rows 247 cols
[2025-05-29 17:18:36] [INFO ] Computed 19 invariants in 2 ms
[2025-05-29 17:18:36] [INFO ] State equation strengthened by 56 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) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 218/230 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 17/247 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/247 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 390/637 variables, 247/266 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/637 variables, 56/322 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/637 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/637 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 637/637 variables, and 322 constraints, problems are : Problem set: 0 solved, 12 unsolved in 524 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 247/247 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 218/230 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 17:18:37] [INFO ] Deduced a trap composed of 204 places in 112 ms of which 17 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/230 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/230 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 17/247 variables, 10/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/247 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 390/637 variables, 247/267 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/637 variables, 56/323 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/637 variables, 12/335 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/637 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/637 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 637/637 variables, and 335 constraints, problems are : Problem set: 0 solved, 12 unsolved in 2039 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 247/247 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2579ms problems are : Problem set: 0 solved, 12 unsolved
Parikh walk visited 0 properties in 968 ms.
Support contains 12 out of 247 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 247/247 places, 390/390 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 244 transition count 387
Applied a total of 6 rules in 20 ms. Remains 244 /247 variables (removed 3) and now considering 387/390 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 244/247 places, 387/390 transitions.
RANDOM walk for 4000000 steps (8 resets) in 16970 ms. (235 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 8664 ms. (461 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 8373 ms. (477 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 8301 ms. (481 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 8472 ms. (472 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 8362 ms. (478 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 8518 ms. (469 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 8153 ms. (490 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 8198 ms. (487 steps per ms) remains 12/12 properties
Invariant property smplace_395 does not hold.
Invariant property smplace_387 does not hold.
Invariant property smplace_379 does not hold.
Invariant property smplace_371 does not hold.
Invariant property smplace_363 does not hold.
Invariant property smplace_355 does not hold.
Invariant property smplace_347 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_332 does not hold.
Invariant property smplace_324 does not hold.
Invariant property smplace_316 does not hold.
Invariant property smplace_308 does not hold.
Invariant property smplace_300 does not hold.
Invariant property smplace_292 does not hold.
Invariant property smplace_284 does not hold.
Invariant property smplace_276 does not hold.
BEST_FIRST walk for 4000002 steps (8 resets) in 8642 ms. (462 steps per ms) remains 12/12 properties
Invariant property smplace_83 does not hold.
Invariant property smplace_75 does not hold.
Invariant property smplace_67 does not hold.
Invariant property smplace_59 does not hold.
Invariant property smplace_51 does not hold.
Invariant property smplace_43 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_27 does not hold.
Invariant property smplace_5 does not hold.
SDD proceeding with computation,194 properties remain. new max is 65536
SDD size :1.29665e+07 after 1.90665e+07
BEST_FIRST walk for 4000002 steps (8 resets) in 8778 ms. (455 steps per ms) remains 11/12 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 7968 ms. (501 steps per ms) remains 11/11 properties
Finished probabilistic random walk after 79461 steps, run visited all 11 properties in 614 ms. (steps per millisecond=129 )
Probabilistic random walk after 79461 steps, saw 48563 distinct states, run finished after 619 ms. (steps per millisecond=128 ) properties seen :11
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 401 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 136711 ms.

BK_STOP 1748539151055

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ 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="Anderson-PT-08"
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 Anderson-PT-08, 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 r007-tall-174853737000113"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-08.tgz
mv Anderson-PT-08 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 ;