Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r144-smll-177955812500173.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is FireWire-PT-17, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812500173
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 5.3K Mar 7 05:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 7 05:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 05:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 05:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 10:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 7 05:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 180K Mar 7 05:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 05:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 7 05:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 153K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779633293168

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FireWire-PT-17
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-24 14:34:55] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-24 14:34:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 14:34:56] [INFO ] Load time of PNML (sax parser for PT used): 252 ms
[2026-05-24 14:34:56] [INFO ] Transformed 428 places.
[2026-05-24 14:34:56] [INFO ] Transformed 656 transitions.
[2026-05-24 14:34:56] [INFO ] Found NUPN structural information;
[2026-05-24 14:34:56] [INFO ] Parsed PT model containing 428 places and 656 transitions and 1904 arcs in 496 ms.
Graph (trivial) has 356 edges and 428 vertex of which 19 / 428 are part of one of the 3 SCC in 9 ms
Free SCC test removed 16 places
Structural test allowed to assert that 99 places are NOT stable. Took 48 ms.
Ensure Unique test removed 17 transitions
Reduce redundant transitions removed 17 transitions.
[2026-05-24 14:34:57] [INFO ] Flatten gal took : 385 ms
[2026-05-24 14:34:57] [INFO ] Flatten gal took : 177 ms
[2026-05-24 14:34:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12200888962449098648.gal : 102 ms
[2026-05-24 14:34:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10864457529571052017.prop : 8 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/ReachabilityCardinality12200888962449098648.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10864457529571052017.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (584 resets) in 5578 ms. (7 steps per ms) remains 211/329 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 20 ms. (19 steps per ms) remains 211/211 properties

its-reach command run as :

BEST_FIRST walk for 402 steps (8 resets) in 15 ms. (25 steps per ms) remains 211/211 properties
/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
BEST_FIRST walk for 404 steps (8 resets) in 28 ms. (13 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 15 ms. (25 steps per ms) remains 211/211 properties
Loading property file /tmp/ReachabilityCardinality10864457529571052017.prop.
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 36 ms. (10 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 10 ms. (36 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 211/211 properties
BEST_FIRST walk for 401 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 7 ms. (50 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 211/211 properties
BEST_FIRST walk for 402 steps (8 resets) in 6 ms. (57 steps per ms) remains 211/211 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 211/211 properties
[2026-05-24 14:34:58] [INFO ] Flow matrix only has 637 transitions (discarded 2 similar events)
// Phase 1: matrix 637 rows 412 cols
[2026-05-24 14:34:58] [INFO ] Computed 9 invariants in 30 ms
[2026-05-24 14:34:58] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,329 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,329 properties remain. new max is 8
SDD size :3 after 4
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,329 properties remain. new max is 16
SDD size :4 after 7
SDD proceeding with computation,329 properties remain. new max is 32
SDD size :7 after 10
Invariant property smplace_172 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_61 does not hold.
Invariant property smplace_60 does not hold.
Invariant property smplace_59 does not hold.
Invariant property smplace_55 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_20 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_18 does not hold.
Invariant property smplace_14 does not hold.
SDD proceeding with computation,315 properties remain. new max is 32
SDD size :10 after 38
Invariant property smplace_27 does not hold.
Invariant property smplace_13 does not hold.
Invariant property smplace_12 does not hold.
Invariant property smplace_11 does not hold.
Invariant property smplace_8 does not hold.
Invariant property smplace_7 does not hold.
SDD proceeding with computation,309 properties remain. new max is 32
SDD size :38 after 44
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_54 does not hold.
Invariant property smplace_53 does not hold.
Invariant property smplace_52 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_22 does not hold.
Invariant property smplace_21 does not hold.
SDD proceeding with computation,301 properties remain. new max is 32
SDD size :44 after 50
Invariant property smplace_17 does not hold.
SDD proceeding with computation,300 properties remain. new max is 32
SDD size :50 after 64
Invariant property smplace_51 does not hold.
SDD proceeding with computation,299 properties remain. new max is 32
SDD size :64 after 71
Invariant property smplace_128 does not hold.
Invariant property smplace_3 does not hold.
Invariant property smplace_2 does not hold.
SDD proceeding with computation,296 properties remain. new max is 32
SDD size :71 after 76
Invariant property smplace_50 does not hold.
Invariant property smplace_47 does not hold.
Invariant property smplace_36 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_34 does not hold.
Invariant property smplace_33 does not hold.
Invariant property smplace_32 does not hold.
Invariant property smplace_31 does not hold.
Invariant property smplace_30 does not hold.
SDD proceeding with computation,287 properties remain. new max is 32
SDD size :76 after 85
SDD proceeding with computation,287 properties remain. new max is 64
SDD size :85 after 99
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
SDD proceeding with computation,285 properties remain. new max is 64
SDD size :99 after 108
Invariant property smplace_165 does not hold.
Invariant property smplace_164 does not hold.
SDD proceeding with computation,283 properties remain. new max is 64
SDD size :108 after 134
SDD proceeding with computation,283 properties remain. new max is 128
SDD size :134 after 140
Invariant property smplace_163 does not hold.
Invariant property smplace_162 does not hold.
SDD proceeding with computation,281 properties remain. new max is 128
SDD size :140 after 172
Invariant property smplace_161 does not hold.
Invariant property smplace_160 does not hold.
SDD proceeding with computation,279 properties remain. new max is 128
SDD size :172 after 204
Invariant property smplace_159 does not hold.
Invariant property smplace_158 does not hold.
SDD proceeding with computation,277 properties remain. new max is 128
SDD size :204 after 236
Invariant property smplace_157 does not hold.
Invariant property smplace_155 does not hold.
SDD proceeding with computation,275 properties remain. new max is 128
SDD size :236 after 276
Invariant property smplace_154 does not hold.
Invariant property smplace_153 does not hold.
Invariant property smplace_129 does not hold.
Invariant property smplace_43 does not hold.
SDD proceeding with computation,271 properties remain. new max is 128
SDD size :276 after 360
SDD proceeding with computation,271 properties remain. new max is 256
SDD size :360 after 389
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_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_133 does not hold.
Invariant property smplace_132 does not hold.
Invariant property smplace_130 does not hold.
Invariant property smplace_49 does not hold.
Invariant property smplace_48 does not hold.
Invariant property smplace_46 does not hold.
Invariant property smplace_45 does not hold.
Invariant property smplace_44 does not hold.
Invariant property smplace_42 does not hold.
Invariant property smplace_41 does not hold.
Invariant property smplace_40 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_24 does not hold.
Invariant property smplace_23 does not hold.
SDD proceeding with computation,249 properties remain. new max is 256
SDD size :389 after 10996
Invariant property smplace_345 does not hold.
Invariant property smplace_344 does not hold.
Invariant property smplace_343 does not hold.
Invariant property smplace_342 does not hold.
Invariant property smplace_341 does not hold.
Invariant property smplace_301 does not hold.
SDD proceeding with computation,243 properties remain. new max is 256
SDD size :10996 after 142773
Invariant property smplace_340 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_337 does not hold.
SDD proceeding with computation,239 properties remain. new max is 256
SDD size :142773 after 142837
Invariant property smplace_336 does not hold.
Invariant property smplace_335 does not hold.
Invariant property smplace_334 does not hold.
Invariant property smplace_333 does not hold.
SDD proceeding with computation,235 properties remain. new max is 256
SDD size :142837 after 142898
Invariant property smplace_332 does not hold.
Invariant property smplace_331 does not hold.
Invariant property smplace_328 does not hold.
SDD proceeding with computation,232 properties remain. new max is 256
SDD size :142898 after 142992
Invariant property smplace_327 does not hold.
SDD proceeding with computation,231 properties remain. new max is 256
SDD size :142992 after 143341
Invariant property smplace_330 does not hold.
Invariant property smplace_326 does not hold.
Invariant property smplace_302 does not hold.
SDD proceeding with computation,228 properties remain. new max is 256
SDD size :143341 after 144052
Invariant property smplace_325 does not hold.
Invariant property smplace_300 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_57 does not hold.
SDD proceeding with computation,224 properties remain. new max is 256
SDD size :144052 after 146312
SDD proceeding with computation,224 properties remain. new max is 512
SDD size :146312 after 147599
All remaining problems are real, not stopping.
SDD proceeding with computation,224 properties remain. new max is 1024
SDD size :147599 after 148261
At refinement iteration 0 (INCLUDED_ONLY) 0/211 variables, 211/211 constraints. Problems are: Problem set: 0 solved, 211 unsolved
SDD proceeding with computation,224 properties remain. new max is 2048
SDD size :148261 after 150470
Invariant property smplace_145 does not hold.
Invariant property smplace_144 does not hold.
Invariant property smplace_143 does not hold.
Invariant property smplace_142 does not hold.
Invariant property smplace_141 does not hold.
Invariant property smplace_140 does not hold.
Invariant property smplace_139 does not hold.
Invariant property smplace_138 does not hold.
Invariant property smplace_127 does not hold.
Invariant property smplace_126 does not hold.
Invariant property smplace_125 does not hold.
Invariant property smplace_124 does not hold.
Invariant property smplace_123 does not hold.
Invariant property smplace_122 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_118 does not hold.
Invariant property smplace_117 does not hold.
Invariant property smplace_116 does not hold.
Invariant property smplace_115 does not hold.
Invariant property smplace_114 does not hold.
Invariant property smplace_113 does not hold.
Invariant property smplace_71 does not hold.
Invariant property smplace_70 does not hold.
Invariant property smplace_56 does not hold.
Invariant property smplace_39 does not hold.
Invariant property smplace_38 does not hold.
Invariant property smplace_37 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
Invariant property smplace_10 does not hold.
Invariant property smplace_9 does not hold.
Invariant property smplace_6 does not hold.
Invariant property smplace_5 does not hold.
Invariant property smplace_4 does not hold.
SDD proceeding with computation,188 properties remain. new max is 2048
SDD size :150470 after 158093
Invariant property smplace_299 does not hold.
Invariant property smplace_298 does not hold.
Invariant property smplace_297 does not hold.
Invariant property smplace_294 does not hold.
Invariant property smplace_293 does not hold.
Invariant property smplace_290 does not hold.
Invariant property smplace_289 does not hold.
Invariant property smplace_288 does not hold.
Invariant property smplace_287 does not hold.
Invariant property smplace_112 does not hold.
Invariant property smplace_111 does not hold.
Invariant property smplace_110 does not hold.
Invariant property smplace_109 does not hold.
Invariant property smplace_108 does not hold.
Invariant property smplace_107 does not hold.
Invariant property smplace_106 does not hold.
Invariant property smplace_105 does not hold.
Invariant property smplace_104 does not hold.
Invariant property smplace_103 does not hold.
Invariant property smplace_101 does not hold.
Invariant property smplace_100 does not hold.
Invariant property smplace_99 does not hold.
Invariant property smplace_98 does not hold.
Invariant property smplace_73 does not hold.
SDD proceeding with computation,164 properties remain. new max is 2048
SDD size :158093 after 183342
Invariant property smplace_318 does not hold.
Invariant property smplace_317 does not hold.
Invariant property smplace_314 does not hold.
Invariant property smplace_313 does not hold.
Invariant property smplace_312 does not hold.
Invariant property smplace_311 does not hold.
Invariant property smplace_286 does not hold.
Invariant property smplace_285 does not hold.
Invariant property smplace_284 does not hold.
Invariant property smplace_283 does not hold.
Invariant property smplace_282 does not hold.
Invariant property smplace_280 does not hold.
Invariant property smplace_279 does not hold.
Invariant property smplace_244 does not hold.
SDD proceeding with computation,150 properties remain. new max is 2048
SDD size :183342 after 207949
Invariant property smplace_324 does not hold.
Invariant property smplace_316 does not hold.
Invariant property smplace_315 does not hold.
Invariant property smplace_310 does not hold.
Invariant property smplace_309 does not hold.
Invariant property smplace_308 does not hold.
Invariant property smplace_307 does not hold.
Invariant property smplace_306 does not hold.
Invariant property smplace_303 does not hold.
Invariant property smplace_296 does not hold.
Invariant property smplace_295 does not hold.
Invariant property smplace_292 does not hold.
Invariant property smplace_291 does not hold.
Invariant property smplace_281 does not hold.
Invariant property smplace_278 does not hold.
Invariant property smplace_243 does not hold.
SDD proceeding with computation,134 properties remain. new max is 2048
SDD size :207949 after 302294
Invariant property smplace_323 does not hold.
Invariant property smplace_305 does not hold.
Invariant property smplace_277 does not hold.
Invariant property smplace_272 does not hold.
Invariant property smplace_194 does not hold.
Invariant property smplace_102 does not hold.
Invariant property smplace_97 does not hold.
Invariant property smplace_96 does not hold.
Invariant property smplace_95 does not hold.
Invariant property smplace_94 does not hold.
Invariant property smplace_93 does not hold.
Invariant property smplace_92 does not hold.
Error getting values : (error "ParserException while parsing response: ((s4 (/ 1.0 2.0))
(s5 (/ 1.0 2.0))
(s6 (/ 1.0 2.0))
(s9 (/ 1.0 2.0))
(s10 (/ 1.0 2.0))
(s15 (/ 1.0 2.0))
(s16 (/ 1.0 2.0))
(s43 (/ 1.0 2.0))
(s56 (/ 1.0 2.0))
(s71 (/ 1.0 2.0))
(s72 (/ 1.0 2.0))
(s73 (/ 1.0 2.0))
(s74 (/ 1.0 2.0))
(s75 (/ 1.0 2.0))
(s76 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 211/1049 variables, and 211 constraints, problems are : Problem set: 117 solved, 94 unsolved in 5072 ms.
Invariant property smplace_72 does not hold.
SDD proceeding with computation,121 properties remain. new max is 2048
Refiners :[Domain max(s): 211/412 constraints, Positive P Invariants (semi-flows): 0/9 constraints, State Equation: 0/412 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 211/211 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 117 solved, 94 unsolved
SDD size :302294 after 648442
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 94/94 constraints. Problems are: Problem set: 118 solved, 93 unsolved
SDD proceeding with computation,121 properties remain. new max is 4096
SDD size :648442 after 660871
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/94 constraints. Problems are: Problem set: 118 solved, 93 unsolved
Invariant property smplace_193 does not hold.
Invariant property smplace_187 does not hold.
Invariant property smplace_186 does not hold.
Invariant property smplace_182 does not hold.
Invariant property smplace_91 does not hold.
Invariant property smplace_90 does not hold.
At refinement iteration 2 (OVERLAPS) 200/294 variables, 6/100 constraints. Problems are: Problem set: 124 solved, 87 unsolved
Invariant property smplace_89 does not hold.
Invariant property smplace_88 does not hold.
Invariant property smplace_87 does not hold.
Invariant property smplace_86 does not hold.
Invariant property smplace_85 does not hold.
Invariant property smplace_84 does not hold.
Invariant property smplace_83 does not hold.
Invariant property smplace_82 does not hold.
Invariant property smplace_81 does not hold.
Invariant property smplace_80 does not hold.
Invariant property smplace_79 does not hold.
Invariant property smplace_78 does not hold.
Invariant property smplace_77 does not hold.
Invariant property smplace_76 does not hold.
SDD proceeding with computation,101 properties remain. new max is 4096
SDD size :660871 after 844901
At refinement iteration 3 (INCLUDED_ONLY) 0/294 variables, 200/300 constraints. Problems are: Problem set: 138 solved, 73 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:05] [INFO ] Deduced a trap composed of 102 places in 292 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:05] [INFO ] Deduced a trap composed of 108 places in 287 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:05] [INFO ] Deduced a trap composed of 115 places in 338 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,101 properties remain. new max is 8192
SDD size :844901 after 863647
[2026-05-24 14:35:05] [INFO ] Deduced a trap composed of 119 places in 137 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:06] [INFO ] Deduced a trap composed of 108 places in 124 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:06] [INFO ] Deduced a trap composed of 108 places in 131 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:06] [INFO ] Deduced a trap composed of 108 places in 143 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:06] [INFO ] Deduced a trap composed of 110 places in 141 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:07] [INFO ] Deduced a trap composed of 108 places in 144 ms of which 14 ms to minimize.
Invariant property smplace_322 does not hold.
Invariant property smplace_276 does not hold.
Invariant property smplace_274 does not hold.
Invariant property smplace_273 does not hold.
Invariant property smplace_271 does not hold.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Invariant property smplace_246 does not hold.
Invariant property smplace_215 does not hold.
Invariant property smplace_209 does not hold.
Invariant property smplace_208 does not hold.
Invariant property smplace_206 does not hold.
Invariant property smplace_205 does not hold.
Invariant property smplace_204 does not hold.
Invariant property smplace_203 does not hold.
Invariant property smplace_202 does not hold.
Invariant property smplace_192 does not hold.
Invariant property smplace_191 does not hold.
Invariant property smplace_190 does not hold.
Invariant property smplace_189 does not hold.
Invariant property smplace_188 does not hold.
Invariant property smplace_185 does not hold.
Invariant property smplace_175 does not hold.
Invariant property smplace_174 does not hold.
Invariant property smplace_156 does not hold.
SDD proceeding with computation,78 properties remain. new max is 8192
SDD size :863647 after 2.57988e+07
[2026-05-24 14:35:07] [INFO ] Deduced a trap composed of 102 places in 128 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:07] [INFO ] Deduced a trap composed of 115 places in 124 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:07] [INFO ] Deduced a trap composed of 108 places in 127 ms of which 12 ms to minimize.
Invariant property smplace_214 does not hold.
Invariant property smplace_201 does not hold.
Invariant property smplace_200 does not hold.
Invariant property smplace_199 does not hold.
Invariant property smplace_198 does not hold.
Invariant property smplace_148 does not hold.
Invariant property smplace_147 does not hold.
Invariant property smplace_146 does not hold.
Invariant property smplace_131 does not hold.
Invariant property smplace_75 does not hold.
Invariant property smplace_74 does not hold.
SDD proceeding with computation,67 properties remain. new max is 8192
SDD size :2.57988e+07 after 2.75672e+07
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 12/312 constraints. Problems are: Problem set: 160 solved, 51 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:08] [INFO ] Deduced a trap composed of 119 places in 155 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:08] [INFO ] Deduced a trap composed of 119 places in 172 ms of which 17 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0)
(s65 0)
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(s67 0)
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(s131 1)
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(s150 0)
(s151 0)
(s152 0)
(s153 0)
(s154 0)
(s155 0)
(s156 0)
(s157 0)
(s158 0)
(s159 0)
(s160 0)
(s161 0)
(s162 0)
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(s164 0)
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(s176 0)timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 294/1049 variables, and 314 constraints, problems are : Problem set: 160 solved, 51 unsolved in 5016 ms.
Refiners :[Domain max(s): 294/412 constraints, Positive P Invariants (semi-flows): 6/9 constraints, State Equation: 0/412 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/211 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10285ms problems are : Problem set: 160 solved, 51 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 51 out of 412 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 412/412 places, 639/639 transitions.
Graph (complete) has 1083 edges and 412 vertex of which 406 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.5 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 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 124 rules applied. Total rules applied 125 place count 406 transition count 515
Reduce places removed 119 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 122 rules applied. Total rules applied 247 place count 287 transition count 512
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 249 place count 285 transition count 512
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 7 Pre rules applied. Total rules applied 249 place count 285 transition count 505
Deduced a syphon composed of 7 places in 4 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 263 place count 278 transition count 505
Discarding 31 places :
Symmetric choice reduction at 3 with 31 rule applications. Total rules 294 place count 247 transition count 473
Iterating global reduction 3 with 31 rules applied. Total rules applied 325 place count 247 transition count 473
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 327 place count 247 transition count 471
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 7 Pre rules applied. Total rules applied 327 place count 247 transition count 464
Deduced a syphon composed of 7 places in 3 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 4 with 14 rules applied. Total rules applied 341 place count 240 transition count 464
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 346 place count 235 transition count 418
Iterating global reduction 4 with 5 rules applied. Total rules applied 351 place count 235 transition count 418
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 3 rules applied. Total rules applied 354 place count 235 transition count 415
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 355 place count 234 transition count 415
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 6 with 66 rules applied. Total rules applied 421 place count 201 transition count 382
Performed 28 Post agglomeration using F-continuation condition.Transition count delta: -85
Deduced a syphon composed of 28 places in 1 ms
Reduce places removed 28 places and 0 transitions.
Iterating global reduction 6 with 56 rules applied. Total rules applied 477 place count 173 transition count 467
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 483 place count 173 transition count 461
Drop transitions (Redundant composition of simpler transitions.) removed 36 transitions
Redundant transition composition rules discarded 36 transitions
Iterating global reduction 7 with 36 rules applied. Total rules applied 519 place count 173 transition count 425
Free-agglomeration rule applied 19 times.
Iterating global reduction 7 with 19 rules applied. Total rules applied 538 place count 173 transition count 406
Reduce places removed 19 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 7 with 25 rules applied. Total rules applied 563 place count 154 transition count 400
Drop transitions (Redundant composition of simpler transitions.) removed 57 transitions
Redundant transition composition rules discarded 57 transitions
Iterating global reduction 8 with 57 rules applied. Total rules applied 620 place count 154 transition count 343
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 8 with 2 rules applied. Total rules applied 622 place count 154 transition count 343
Applied a total of 622 rules in 380 ms. Remains 154 /412 variables (removed 258) and now considering 343/639 (removed 296) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 392 ms. Remains : 154/412 places, 343/639 transitions.
Invariant property smplace_207 does not hold.
Invariant property smplace_184 does not hold.
Invariant property smplace_183 does not hold.
SDD proceeding with computation,64 properties remain. new max is 8192
SDD size :2.75672e+07 after 5.42933e+07
SDD proceeding with computation,64 properties remain. new max is 16384
SDD size :5.42933e+07 after 5.5405e+07
SDD proceeding with computation,64 properties remain. new max is 32768
SDD size :5.5405e+07 after 5.54724e+07
SDD proceeding with computation,64 properties remain. new max is 65536
SDD size :5.54724e+07 after 5.73281e+07
RANDOM walk for 4000000 steps (230268 resets) in 36906 ms. (108 steps per ms) remains 13/51 properties
BEST_FIRST walk for 4000003 steps (59937 resets) in 5892 ms. (678 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000004 steps (59898 resets) in 6173 ms. (647 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000001 steps (59898 resets) in 7145 ms. (559 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000002 steps (59875 resets) in 5751 ms. (695 steps per ms) remains 13/13 properties
SDD proceeding with computation,64 properties remain. new max is 131072
SDD size :5.73281e+07 after 1.67114e+08
BEST_FIRST walk for 4000003 steps (59880 resets) in 6126 ms. (652 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (59699 resets) in 6521 ms. (613 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000004 steps (59809 resets) in 6250 ms. (639 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000004 steps (59927 resets) in 6120 ms. (653 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000004 steps (60045 resets) in 5870 ms. (681 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000002 steps (59988 resets) in 5802 ms. (689 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (59938 resets) in 6408 ms. (624 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000002 steps (59918 resets) in 5825 ms. (686 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (59886 resets) in 6173 ms. (647 steps per ms) remains 13/13 properties
[2026-05-24 14:35:47] [INFO ] Flow matrix only has 305 transitions (discarded 38 similar events)
// Phase 1: matrix 305 rows 154 cols
[2026-05-24 14:35:47] [INFO ] Computed 7 invariants in 2 ms
[2026-05-24 14:35:47] [INFO ] State equation strengthened by 63 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) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 51/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 86/150 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 305/455 variables, 150/157 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/455 variables, 63/220 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/455 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 4/459 variables, 4/224 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/459 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (OVERLAPS) 0/459 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 224 constraints, problems are : Problem set: 0 solved, 13 unsolved in 761 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 51/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 86/150 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:48] [INFO ] Deduced a trap composed of 37 places in 103 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:49] [INFO ] Deduced a trap composed of 51 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:49] [INFO ] Deduced a trap composed of 63 places in 65 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 305/455 variables, 150/160 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/455 variables, 63/223 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/455 variables, 13/236 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:49] [INFO ] Deduced a trap composed of 38 places in 202 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:49] [INFO ] Deduced a trap composed of 15 places in 158 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:50] [INFO ] Deduced a trap composed of 24 places in 161 ms of which 24 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/455 variables, 3/239 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/455 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 11 (OVERLAPS) 4/459 variables, 4/243 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:35:50] [INFO ] Deduced a trap composed of 82 places in 119 ms of which 16 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/459 variables, 1/244 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/459 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 14 (OVERLAPS) 0/459 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 459/459 variables, and 244 constraints, problems are : Problem set: 0 solved, 13 unsolved in 3218 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 154/154 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4000ms problems are : Problem set: 0 solved, 13 unsolved
Parikh walk visited 0 properties in 3918 ms.
Support contains 13 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 343/343 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 154 transition count 337
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 12 place count 148 transition count 337
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 12 place count 148 transition count 336
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 14 place count 147 transition count 336
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 21 place count 140 transition count 329
Iterating global reduction 2 with 7 rules applied. Total rules applied 28 place count 140 transition count 329
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 28 place count 140 transition count 327
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 32 place count 138 transition count 327
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 34 place count 136 transition count 325
Iterating global reduction 2 with 2 rules applied. Total rules applied 36 place count 136 transition count 325
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 39 place count 136 transition count 322
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 57 place count 127 transition count 313
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 58 place count 126 transition count 312
Iterating global reduction 3 with 1 rules applied. Total rules applied 59 place count 126 transition count 312
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 61 place count 125 transition count 313
Free-agglomeration rule applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 63 place count 125 transition count 311
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 65 place count 123 transition count 311
Applied a total of 65 rules in 48 ms. Remains 123 /154 variables (removed 31) and now considering 311/343 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 48 ms. Remains : 123/154 places, 311/343 transitions.
Invariant property smplace_367 does not hold.
Invariant property smplace_275 does not hold.
Invariant property smplace_270 does not hold.
Invariant property smplace_269 does not hold.
Invariant property smplace_268 does not hold.
Invariant property smplace_267 does not hold.
Invariant property smplace_266 does not hold.
Invariant property smplace_265 does not hold.
Invariant property smplace_264 does not hold.
Invariant property smplace_245 does not hold.
Invariant property smplace_229 does not hold.
Invariant property smplace_223 does not hold.
SDD proceeding with computation,52 properties remain. new max is 131072
SDD size :1.67114e+08 after 4.34236e+09
RANDOM walk for 4000000 steps (230458 resets) in 19291 ms. (207 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (60054 resets) in 5704 ms. (701 steps per ms) remains 13/13 properties
BEST_FIRST walk for 4000003 steps (60057 resets) in 6322 ms. (632 steps per ms) remains 11/13 properties
BEST_FIRST walk for 4000003 steps (59964 resets) in 5469 ms. (731 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (60001 resets) in 6738 ms. (593 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (60215 resets) in 5825 ms. (686 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (60014 resets) in 5569 ms. (718 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (59942 resets) in 6011 ms. (665 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000001 steps (59866 resets) in 5323 ms. (751 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (60085 resets) in 6111 ms. (654 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (60039 resets) in 5532 ms. (722 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (59829 resets) in 5422 ms. (737 steps per ms) remains 11/11 properties
[2026-05-24 14:36:20] [INFO ] Flow matrix only has 274 transitions (discarded 37 similar events)
// Phase 1: matrix 274 rows 123 cols
[2026-05-24 14:36:20] [INFO ] Computed 7 invariants in 3 ms
[2026-05-24 14:36:20] [INFO ] State equation strengthened by 64 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) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 40/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 68/119 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (OVERLAPS) 274/393 variables, 119/126 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/393 variables, 64/190 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 4/397 variables, 4/194 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/397 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 0/397 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 397/397 variables, and 194 constraints, problems are : Problem set: 0 solved, 11 unsolved in 556 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 123/123 constraints, ReadFeed: 64/64 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 40/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 3 (OVERLAPS) 68/119 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:36:21] [INFO ] Deduced a trap composed of 38 places in 130 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:36:21] [INFO ] Deduced a trap composed of 50 places in 50 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 6 (OVERLAPS) 274/393 variables, 119/128 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/393 variables, 64/192 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/393 variables, 11/203 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/393 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 10 (OVERLAPS) 4/397 variables, 4/207 constraints. Problems are: Problem set: 0 solved, 11 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-24 14:36:22] [INFO ] Deduced a trap composed of 70 places in 129 ms of which 9 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/397 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/397 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 13 (OVERLAPS) 0/397 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 397/397 variables, and 208 constraints, problems are : Problem set: 0 solved, 11 unsolved in 1842 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 123/123 constraints, ReadFeed: 64/64 constraints, PredecessorRefiner: 11/11 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2416ms problems are : Problem set: 0 solved, 11 unsolved
Parikh walk visited 0 properties in 2701 ms.
Support contains 11 out of 123 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 123/123 places, 311/311 transitions.
Applied a total of 0 rules in 7 ms. Remains 123 /123 variables (removed 0) and now considering 311/311 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 123/123 places, 311/311 transitions.
Invariant property smplace_388 does not hold.
Invariant property smplace_382 does not hold.
Invariant property smplace_381 does not hold.
Invariant property smplace_379 does not hold.
Invariant property smplace_378 does not hold.
Invariant property smplace_377 does not hold.
Invariant property smplace_376 does not hold.
Invariant property smplace_375 does not hold.
Invariant property smplace_366 does not hold.
Invariant property smplace_365 does not hold.
Invariant property smplace_364 does not hold.
Invariant property smplace_363 does not hold.
Invariant property smplace_362 does not hold.
Invariant property smplace_361 does not hold.
Invariant property smplace_360 does not hold.
Invariant property smplace_359 does not hold.
Invariant property smplace_358 does not hold.
Invariant property smplace_355 does not hold.
Invariant property smplace_348 does not hold.
Invariant property smplace_347 does not hold.
Invariant property smplace_329 does not hold.
Invariant property smplace_263 does not hold.
Invariant property smplace_262 does not hold.
Invariant property smplace_261 does not hold.
Invariant property smplace_260 does not hold.
Invariant property smplace_259 does not hold.
Invariant property smplace_258 does not hold.
Invariant property smplace_257 does not hold.
Invariant property smplace_256 does not hold.
Invariant property smplace_255 does not hold.
Invariant property smplace_254 does not hold.
Invariant property smplace_253 does not hold.
Invariant property smplace_252 does not hold.
Invariant property smplace_251 does not hold.
Invariant property smplace_250 does not hold.
Invariant property smplace_249 does not hold.
Invariant property smplace_248 does not hold.
Invariant property smplace_247 does not hold.
SDD proceeding with computation,14 properties remain. new max is 131072
SDD size :4.34236e+09 after 2.11259e+11
RANDOM walk for 4000000 steps (230323 resets) in 18748 ms. (213 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (60133 resets) in 5342 ms. (748 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (59912 resets) in 6234 ms. (641 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (59901 resets) in 5199 ms. (769 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (60098 resets) in 5620 ms. (711 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (59948 resets) in 5330 ms. (750 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (60030 resets) in 5644 ms. (708 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000003 steps (59986 resets) in 6571 ms. (608 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (60073 resets) in 5428 ms. (736 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (59942 resets) in 6040 ms. (662 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000002 steps (59888 resets) in 5230 ms. (764 steps per ms) remains 11/11 properties
BEST_FIRST walk for 4000004 steps (60029 resets) in 6394 ms. (625 steps per ms) remains 11/11 properties
Finished probabilistic random walk after 5156 steps, run visited all 11 properties in 94 ms. (steps per millisecond=54 )
Probabilistic random walk after 5156 steps, saw 1904 distinct states, run finished after 100 ms. (steps per millisecond=51 ) 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 331 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS TRIVIAL_UNMARKED_SCC_TEST COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL
Total runtime 116587 ms.

BK_STOP 1779633412485

--------------------
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="FireWire-PT-17"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is FireWire-PT-17, 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 r144-smll-177955812500173"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FireWire-PT-17.tgz
mv FireWire-PT-17 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 ;