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.r096-smll-177946996500268.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is DES-PT-50a, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996500268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.4K Mar 6 18:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 18:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 6 18:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 6 18:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:59 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:59 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 08:59 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 18:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 6 18:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 18:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:59 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:59 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 97K 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 1779536738592

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-50a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-23 11:45:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 11:45:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 11:45:40] [INFO ] Load time of PNML (sax parser for PT used): 135 ms
[2026-05-23 11:45:40] [INFO ] Transformed 314 places.
[2026-05-23 11:45:40] [INFO ] Transformed 271 transitions.
[2026-05-23 11:45:40] [INFO ] Found NUPN structural information;
[2026-05-23 11:45:40] [INFO ] Parsed PT model containing 314 places and 271 transitions and 1306 arcs in 299 ms.
Structural test allowed to assert that 44 places are NOT stable. Took 14 ms.
Ensure Unique test removed 14 transitions
Reduce redundant transitions removed 14 transitions.
RANDOM walk for 40000 steps (887 resets) in 2908 ms. (13 steps per ms) remains 181/270 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 15 ms. (25 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 181/181 properties
[2026-05-23 11:45:41] [INFO ] Flatten gal took : 320 ms
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 20 ms. (19 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 26 ms. (14 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 18 ms. (21 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 181/181 properties
BEST_FIRST walk for 402 steps (8 resets) in 14 ms. (26 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 12 ms. (31 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 11 ms. (33 steps per ms) remains 181/181 properties
[2026-05-23 11:45:41] [INFO ] Flatten gal took : 75 ms
BEST_FIRST walk for 404 steps (8 resets) in 17 ms. (22 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 9 ms. (40 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 11 ms. (33 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 16 ms. (23 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 13 ms. (28 steps per ms) remains 181/181 properties
[2026-05-23 11:45:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17998690127791320731.gal : 57 ms
BEST_FIRST walk for 404 steps (8 resets) in 25 ms. (15 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 14 ms. (26 steps per ms) remains 181/181 properties
[2026-05-23 11:45:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15079555227080547639.prop : 5 ms
BEST_FIRST walk for 403 steps (8 resets) in 14 ms. (26 steps per ms) remains 181/181 properties
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/ReachabilityCardinality17998690127791320731.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15079555227080547639.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 404 steps (8 resets) in 19 ms. (20 steps per ms) remains 181/181 properties
BEST_FIRST walk for 402 steps (8 resets) in 9 ms. (40 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 13 ms. (28 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 15 ms. (25 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 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 ...330
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 12 ms. (31 steps per ms) remains 181/181 properties
BEST_FIRST walk for 402 steps (8 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 9 ms. (40 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 10 ms. (36 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 5 ms. (67 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
BEST_FIRST walk for 403 steps (8 resets) in 8 ms. (44 steps per ms) remains 181/181 properties
BEST_FIRST walk for 402 steps (8 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
BEST_FIRST walk for 404 steps (8 resets) in 7 ms. (50 steps per ms) remains 181/181 properties
Loading property file /tmp/ReachabilityCardinality15079555227080547639.prop.
// Phase 1: matrix 257 rows 314 cols
[2026-05-23 11:45:42] [INFO ] Computed 59 invariants in 53 ms
SDD proceeding with computation,181 properties remain. new max is 4
SDD size :1 after 3
[2026-05-23 11:45:42] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,181 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,181 properties remain. new max is 16
SDD size :5 after 15
SDD proceeding with computation,181 properties remain. new max is 32
SDD size :15 after 47
SDD proceeding with computation,181 properties remain. new max is 64
SDD size :47 after 65
SDD proceeding with computation,181 properties remain. new max is 128
SDD size :65 after 71
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,181 properties remain. new max is 256
SDD size :71 after 1799
SDD proceeding with computation,181 properties remain. new max is 512
SDD size :1799 after 2529
SDD proceeding with computation,181 properties remain. new max is 1024
SDD size :2529 after 25713
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/181 variables, 181/181 constraints. Problems are: Problem set: 0 solved, 181 unsolved
SDD proceeding with computation,181 properties remain. new max is 2048
SDD size :25713 after 271089
At refinement iteration 1 (INCLUDED_ONLY) 0/181 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 2 (OVERLAPS) 48/229 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/229 variables, 48/236 constraints. Problems are: Problem set: 0 solved, 181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 229/571 variables, and 236 constraints, problems are : Problem set: 0 solved, 181 unsolved in 5133 ms.
Refiners :[Domain max(s): 229/314 constraints, Positive P Invariants (semi-flows): 0/34 constraints, Generalized P Invariants (flows): 7/25 constraints, State Equation: 0/314 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 181/181 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 181 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/181 variables, 181/181 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/181 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 2 (OVERLAPS) 48/229 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 181 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/229 variables, 48/236 constraints. Problems are: Problem set: 0 solved, 181 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 229/571 variables, and 236 constraints, problems are : Problem set: 0 solved, 181 unsolved in 5031 ms.
Refiners :[Domain max(s): 229/314 constraints, Positive P Invariants (semi-flows): 0/34 constraints, Generalized P Invariants (flows): 7/25 constraints, State Equation: 0/314 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/181 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10353ms problems are : Problem set: 0 solved, 181 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 181 out of 314 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 314/314 places, 257/257 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 314 transition count 255
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 313 transition count 254
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 313 transition count 254
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 313 transition count 254
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 312 transition count 253
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 10 place count 311 transition count 253
Applied a total of 10 rules in 132 ms. Remains 311 /314 variables (removed 3) and now considering 253/257 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 311/314 places, 253/257 transitions.
SDD proceeding with computation,181 properties remain. new max is 4096
SDD size :271089 after 1.86249e+06
RANDOM walk for 4000000 steps (54613 resets) in 83137 ms. (48 steps per ms) remains 167/181 properties
BEST_FIRST walk for 40004 steps (93 resets) in 246 ms. (161 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (101 resets) in 227 ms. (175 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 236 ms. (168 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 198 ms. (201 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (89 resets) in 186 ms. (213 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 224 ms. (177 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (92 resets) in 209 ms. (190 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (87 resets) in 209 ms. (190 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (81 resets) in 251 ms. (158 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (92 resets) in 194 ms. (205 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 229 ms. (173 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (93 resets) in 193 ms. (206 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 244 ms. (163 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 201 ms. (198 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (89 resets) in 232 ms. (171 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (87 resets) in 196 ms. (203 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (97 resets) in 235 ms. (169 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (85 resets) in 196 ms. (203 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (87 resets) in 231 ms. (172 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (87 resets) in 203 ms. (196 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (89 resets) in 219 ms. (181 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (92 resets) in 221 ms. (180 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40001 steps (89 resets) in 232 ms. (171 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (88 resets) in 195 ms. (204 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (85 resets) in 191 ms. (208 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (82 resets) in 219 ms. (181 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (85 resets) in 178 ms. (223 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 187 ms. (212 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (94 resets) in 177 ms. (224 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40001 steps (99 resets) in 222 ms. (179 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (86 resets) in 227 ms. (175 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (91 resets) in 202 ms. (197 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (98 resets) in 254 ms. (156 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 221 ms. (180 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (93 resets) in 202 ms. (197 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (87 resets) in 243 ms. (163 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 238 ms. (167 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 210 ms. (189 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (95 resets) in 221 ms. (180 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (84 resets) in 219 ms. (181 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (92 resets) in 173 ms. (229 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (91 resets) in 205 ms. (194 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (85 resets) in 192 ms. (207 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (93 resets) in 217 ms. (183 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (85 resets) in 194 ms. (205 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 244 ms. (163 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 189 ms. (210 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (80 resets) in 241 ms. (165 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 228 ms. (174 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (89 resets) in 225 ms. (177 steps per ms) remains 167/167 properties
Interrupted probabilistic random walk after 9295484 steps, run timeout after 75001 ms. (steps per millisecond=123 ) properties seen :0 out of 167
Probabilistic random walk after 9295484 steps, saw 1182692 distinct states, run finished after 75015 ms. (steps per millisecond=123 ) properties seen :0
// Phase 1: matrix 253 rows 311 cols
[2026-05-23 11:47:33] [INFO ] Computed 60 invariants in 12 ms
[2026-05-23 11:47:33] [INFO ] State equation strengthened by 2 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) 0/167 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 56/223 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/223 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 35/258 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 25/283 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/283 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 7/290 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/290 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (OVERLAPS) 241/531 variables, 290/345 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/531 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 12 (OVERLAPS) 23/554 variables, 11/358 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 4/362 constraints. Problems are: Problem set: 0 solved, 167 unsolved
SDD proceeding with computation,181 properties remain. new max is 8192
SDD size :1.86249e+06 after 1.62786e+07
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 15 (OVERLAPS) 1/555 variables, 1/363 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/555 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/555 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 18 (OVERLAPS) 9/564 variables, 9/373 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 20 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 167 unsolved in 36130 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 56/223 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/223 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 35/258 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 25/283 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/283 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 7/290 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/290 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (OVERLAPS) 241/531 variables, 290/345 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/531 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 127/474 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:48:28] [INFO ] Deduced a trap composed of 16 places in 153 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:48:29] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/531 variables, 2/476 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:48:39] [INFO ] Deduced a trap composed of 9 places in 122 ms of which 10 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/531 variables, 1/477 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/531 variables, 0/477 constraints. Problems are: Problem set: 0 solved, 167 unsolved
SMT process timed out in 81199ms, After SMT, problems are : Problem set: 0 solved, 167 unsolved
Fused 167 Parikh solutions to 54 different solutions.
Parikh walk visited 0 properties in 19446 ms.
Support contains 167 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 15 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 311/311 places, 253/253 transitions.
RANDOM walk for 4000000 steps (54583 resets) in 77179 ms. (51 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (91 resets) in 183 ms. (217 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (92 resets) in 200 ms. (199 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (87 resets) in 167 ms. (238 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 183 ms. (217 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (89 resets) in 184 ms. (216 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (88 resets) in 233 ms. (170 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 199 ms. (200 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (84 resets) in 168 ms. (236 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (98 resets) in 216 ms. (184 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (91 resets) in 237 ms. (168 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (84 resets) in 191 ms. (208 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (100 resets) in 242 ms. (164 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (89 resets) in 192 ms. (207 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (84 resets) in 182 ms. (218 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (99 resets) in 233 ms. (170 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (86 resets) in 175 ms. (227 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (93 resets) in 220 ms. (181 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (95 resets) in 242 ms. (164 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (95 resets) in 183 ms. (217 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40001 steps (88 resets) in 173 ms. (229 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (84 resets) in 168 ms. (236 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (85 resets) in 167 ms. (238 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (83 resets) in 161 ms. (246 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (86 resets) in 174 ms. (228 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (92 resets) in 170 ms. (233 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (99 resets) in 193 ms. (206 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (91 resets) in 164 ms. (242 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (78 resets) in 157 ms. (253 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (94 resets) in 213 ms. (186 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 189 ms. (210 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (88 resets) in 227 ms. (175 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (87 resets) in 174 ms. (228 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 170 ms. (233 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (87 resets) in 162 ms. (245 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (83 resets) in 176 ms. (226 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 184 ms. (216 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (93 resets) in 209 ms. (190 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (86 resets) in 182 ms. (218 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (89 resets) in 223 ms. (178 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (90 resets) in 165 ms. (240 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (83 resets) in 239 ms. (166 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (89 resets) in 185 ms. (215 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (83 resets) in 229 ms. (173 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (79 resets) in 187 ms. (212 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (97 resets) in 233 ms. (170 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (96 resets) in 228 ms. (174 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (87 resets) in 174 ms. (228 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 172 ms. (231 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (92 resets) in 236 ms. (168 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (95 resets) in 198 ms. (201 steps per ms) remains 167/167 properties
Interrupted probabilistic random walk after 8461931 steps, run timeout after 69001 ms. (steps per millisecond=122 ) properties seen :0 out of 167
Probabilistic random walk after 8461931 steps, saw 1074908 distinct states, run finished after 69001 ms. (steps per millisecond=122 ) properties seen :0
[2026-05-23 11:50:46] [INFO ] Invariant cache hit.
[2026-05-23 11:50:46] [INFO ] State equation strengthened by 2 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) 0/167 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 56/223 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/223 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 35/258 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 25/283 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/283 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 7/290 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/290 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (OVERLAPS) 241/531 variables, 290/345 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/531 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 12 (OVERLAPS) 23/554 variables, 11/358 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 4/362 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 15 (OVERLAPS) 1/555 variables, 1/363 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/555 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/555 variables, 0/364 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 18 (OVERLAPS) 9/564 variables, 9/373 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 20 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 167 unsolved
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 0 solved, 167 unsolved in 37714 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
SDD proceeding with computation,181 properties remain. new max is 16384
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 56/223 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
SDD size :4.5513e+07 after 4.58954e+07
At refinement iteration 2 (INCLUDED_ONLY) 0/223 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 35/258 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:51:27] [INFO ] Deduced a trap composed of 9 places in 48 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/258 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (OVERLAPS) 25/283 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/283 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (OVERLAPS) 7/290 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/290 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (OVERLAPS) 241/531 variables, 290/346 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 2/348 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/531 variables, 127/475 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/531 variables, 0/475 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 14 (OVERLAPS) 23/554 variables, 11/486 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/554 variables, 4/490 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/554 variables, 40/530 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:52:04] [INFO ] Deduced a trap composed of 11 places in 69 ms of which 6 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/554 variables, 1/531 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:52:12] [INFO ] Deduced a trap composed of 15 places in 84 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:52:15] [INFO ] Deduced a trap composed of 9 places in 136 ms of which 8 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/554 variables, 2/533 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/554 variables, 0/533 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 20 (OVERLAPS) 1/555 variables, 1/534 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/555 variables, 1/535 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/564 variables, and 535 constraints, problems are : Problem set: 0 solved, 167 unsolved in 75018 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 302/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 112774ms problems are : Problem set: 0 solved, 167 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 167 out of 311 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 27 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 311/311 places, 253/253 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 311/311 places, 253/253 transitions.
Applied a total of 0 rules in 12 ms. Remains 311 /311 variables (removed 0) and now considering 253/253 (removed 0) transitions.
[2026-05-23 11:52:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 11:52:39] [INFO ] Implicit Places using invariants in 231 ms returned []
[2026-05-23 11:52:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 11:52:39] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 11:52:40] [INFO ] Implicit Places using invariants and state equation in 594 ms returned []
Implicit Place search using SMT with State Equation took 839 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 11:52:40] [INFO ] Redundant transitions in 14 ms returned []
Running 250 sub problems to find dead transitions.
[2026-05-23 11:52:40] [INFO ] Invariant cache hit.
[2026-05-23 11:52:40] [INFO ] State equation strengthened by 2 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 0/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/310 variables, 7/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/310 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (OVERLAPS) 253/563 variables, 310/370 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/563 variables, 2/372 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:52:50] [INFO ] Deduced a trap composed of 11 places in 150 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:52:51] [INFO ] Deduced a trap composed of 10 places in 100 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:52:53] [INFO ] Deduced a trap composed of 8 places in 60 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 3/375 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 0/375 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 9 (OVERLAPS) 1/564 variables, 1/376 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:53:02] [INFO ] Deduced a trap composed of 6 places in 97 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:53:04] [INFO ] Deduced a trap composed of 16 places in 157 ms of which 12 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/564 variables, 2/378 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 564/564 variables, and 378 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 250 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/308 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/308 variables, 17/53 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/308 variables, 5/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/308 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 4 (OVERLAPS) 2/310 variables, 7/65 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/310 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 6 (OVERLAPS) 253/563 variables, 310/375 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/563 variables, 2/377 constraints. Problems are: Problem set: 0 solved, 250 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/563 variables, 250/627 constraints. Problems are: Problem set: 0 solved, 250 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 563/564 variables, and 627 constraints, problems are : Problem set: 0 solved, 250 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 310/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 250/250 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60272ms problems are : Problem set: 0 solved, 250 unsolved
Search for dead transitions found 0 dead transitions in 60286ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61165 ms. Remains : 311/311 places, 253/253 transitions.
RANDOM walk for 400000 steps (5501 resets) in 10204 ms. (39 steps per ms) remains 167/167 properties
Running SMT prover for 167 properties.
[2026-05-23 11:53:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 11:53:43] [INFO ] [Real]Absence check using 36 positive place invariants in 15 ms returned sat
[2026-05-23 11:53:43] [INFO ] [Real]Absence check using 36 positive and 24 generalized place invariants in 31 ms returned sat
[2026-05-23 11:53:44] [INFO ] After 685ms SMT Verify possible using state equation in real domain returned unsat :0 sat :167
[2026-05-23 11:53:44] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-23 11:53:44] [INFO ] After 523ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :167
TRAPS : Iteration 0
[2026-05-23 11:53:49] [INFO ] After 5181ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :167
[2026-05-23 11:53:49] [INFO ] After 6711ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :167
RANDOM walk for 4000000 steps (54577 resets) in 74672 ms. (53 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 202 ms. (197 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 206 ms. (193 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (82 resets) in 206 ms. (193 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (89 resets) in 229 ms. (173 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 233 ms. (170 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (93 resets) in 185 ms. (215 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (92 resets) in 238 ms. (167 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 220 ms. (181 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (86 resets) in 202 ms. (197 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 195 ms. (204 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (84 resets) in 228 ms. (174 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (87 resets) in 166 ms. (239 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (94 resets) in 221 ms. (180 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (94 resets) in 179 ms. (222 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (96 resets) in 216 ms. (184 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (83 resets) in 180 ms. (221 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 231 ms. (172 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 219 ms. (181 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (89 resets) in 230 ms. (173 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 220 ms. (181 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (91 resets) in 187 ms. (212 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (96 resets) in 210 ms. (189 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (92 resets) in 230 ms. (173 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (92 resets) in 236 ms. (168 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 208 ms. (191 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (94 resets) in 190 ms. (209 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 183 ms. (217 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (88 resets) in 244 ms. (163 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (85 resets) in 196 ms. (203 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 188 ms. (211 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (93 resets) in 244 ms. (163 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (92 resets) in 234 ms. (170 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (86 resets) in 234 ms. (170 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 231 ms. (172 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (97 resets) in 175 ms. (227 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (94 resets) in 228 ms. (174 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (91 resets) in 232 ms. (171 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40002 steps (91 resets) in 193 ms. (206 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (90 resets) in 205 ms. (194 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (98 resets) in 193 ms. (206 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (90 resets) in 211 ms. (188 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (87 resets) in 237 ms. (168 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (91 resets) in 200 ms. (199 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (87 resets) in 218 ms. (182 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (89 resets) in 193 ms. (206 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (97 resets) in 209 ms. (190 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (92 resets) in 180 ms. (221 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40004 steps (86 resets) in 193 ms. (206 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (87 resets) in 187 ms. (212 steps per ms) remains 167/167 properties
BEST_FIRST walk for 40003 steps (83 resets) in 214 ms. (186 steps per ms) remains 167/167 properties
SDD proceeding with computation,181 properties remain. new max is 32768
SDD size :4.58954e+07 after 4.82409e+07
SDD proceeding with computation,181 properties remain. new max is 65536
SDD size :4.82409e+07 after 5.24843e+07
Interrupted probabilistic random walk after 9529506 steps, run timeout after 66001 ms. (steps per millisecond=144 ) properties seen :0 out of 167
Probabilistic random walk after 9529506 steps, saw 1210094 distinct states, run finished after 66001 ms. (steps per millisecond=144 ) properties seen :0
[2026-05-23 11:55:18] [INFO ] Invariant cache hit.
[2026-05-23 11:55:18] [INFO ] State equation strengthened by 2 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) 0/167 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 1 (OVERLAPS) 56/223 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/223 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 3 (OVERLAPS) 35/258 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/258 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 5 (OVERLAPS) 25/283 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/283 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 7 (OVERLAPS) 7/290 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/290 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 9 (OVERLAPS) 241/531 variables, 290/345 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/531 variables, 2/347 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/531 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 12 (OVERLAPS) 23/554 variables, 11/358 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/554 variables, 4/362 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/554 variables, 0/362 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 15 (OVERLAPS) 1/555 variables, 1/363 constraints. Problems are: Problem set: 0 solved, 167 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/555 variables, 1/364 constraints. Problems are: Problem set: 0 solved, 167 unsolved
Detected timeout of ITS tools.
[2026-05-23 11:55:42] [INFO ] Flatten gal took : 41 ms
[2026-05-23 11:55:42] [INFO ] Applying decomposition
[2026-05-23 11:55:42] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10732533711369604595.txt' '-o' '/tmp/graph10732533711369604595.bin' '-w' '/tmp/graph10732533711369604595.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10732533711369604595.bin' '-l' '-1' '-v' '-w' '/tmp/graph10732533711369604595.weights' '-q' '0' '-e' '0.001'
[2026-05-23 11:55:42] [INFO ] Decomposing Gal with order
[2026-05-23 11:55:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 11:55:42] [INFO ] Removed a total of 13 redundant transitions.
[2026-05-23 11:55:43] [INFO ] Flatten gal took : 154 ms
[2026-05-23 11:55:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 4 labels/synchronizations in 27 ms.
[2026-05-23 11:55:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12576688248487697819.gal : 36 ms
[2026-05-23 11:55:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6025151361579352186.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12576688248487697819.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6025151361579352186.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6025151361579352186.prop.
SDD proceeding with computation,167 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,167 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,167 properties remain. new max is 16
SDD size :5 after 293
SDD proceeding with computation,167 properties remain. new max is 32
SDD size :293 after 1353
SDD proceeding with computation,167 properties remain. new max is 64
SDD size :1353 after 14535
Invariant property smplace_140 does not hold.
Invariant property smplace_139 does not hold.
Invariant property smplace_138 does not hold.
Invariant property smplace_137 does not hold.
Invariant property smplace_136 does not hold.
SDD proceeding with computation,162 properties remain. new max is 64
SDD size :14535 after 4.69117e+08
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_131 does not hold.
SDD proceeding with computation,157 properties remain. new max is 64
SDD size :4.69117e+08 after 6.5949e+08
Invariant property smplace_130 does not hold.
Invariant property smplace_129 does not hold.
Invariant property smplace_128 does not hold.
Invariant property smplace_127 does not hold.
SDD proceeding with computation,153 properties remain. new max is 64
SDD size :6.5949e+08 after 8.11788e+08
Invariant property smplace_126 does not hold.
Invariant property smplace_125 does not hold.
Invariant property smplace_124 does not hold.
SDD proceeding with computation,150 properties remain. new max is 64
SDD size :8.11788e+08 after 9.26011e+08
Invariant property smplace_123 does not hold.
Invariant property smplace_122 does not hold.
Invariant property smplace_121 does not hold.
SDD proceeding with computation,147 properties remain. new max is 64
SDD size :9.26011e+08 after 1.04024e+09
Invariant property smplace_120 does not hold.
Invariant property smplace_119 does not hold.
Invariant property smplace_118 does not hold.
SDD proceeding with computation,144 properties remain. new max is 64
SDD size :1.04024e+09 after 1.15446e+09
Invariant property smplace_117 does not hold.
Invariant property smplace_116 does not hold.
Invariant property smplace_115 does not hold.
SDD proceeding with computation,141 properties remain. new max is 64
SDD size :1.15446e+09 after 1.26868e+09
Invariant property smplace_114 does not hold.
Invariant property smplace_113 does not hold.
Invariant property smplace_112 does not hold.
SDD proceeding with computation,138 properties remain. new max is 64
SDD size :1.26868e+09 after 1.38291e+09
Invariant property smplace_111 does not hold.
Invariant property smplace_110 does not hold.
Invariant property smplace_109 does not hold.
SDD proceeding with computation,135 properties remain. new max is 64
SDD size :1.38291e+09 after 1.49713e+09
Invariant property smplace_108 does not hold.
Invariant property smplace_107 does not hold.
Invariant property smplace_106 does not hold.
SDD proceeding with computation,132 properties remain. new max is 64
SDD size :1.49713e+09 after 1.61135e+09
Invariant property smplace_105 does not hold.
Invariant property smplace_104 does not hold.
Invariant property smplace_103 does not hold.
SDD proceeding with computation,129 properties remain. new max is 64
SDD size :1.61135e+09 after 1.72558e+09
Invariant property smplace_102 does not hold.
Invariant property smplace_101 does not hold.
SDD proceeding with computation,127 properties remain. new max is 64
SDD size :1.72558e+09 after 1.8398e+09
SDD proceeding with computation,127 properties remain. new max is 128
SDD size :1.8398e+09 after 5.39064e+09
SDD proceeding with computation,127 properties remain. new max is 256
SDD size :5.39064e+09 after 9.52495e+09
SDD proceeding with computation,127 properties remain. new max is 512
SDD size :3.27408e+10 after 9.94069e+10
At refinement iteration 17 (INCLUDED_ONLY) 0/555 variables, 0/364 constraints. Problems are: Problem set: 40 solved, 127 unsolved
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_187 does not hold.
Invariant property smplace_186 does not hold.
Invariant property smplace_185 does not hold.
Invariant property smplace_92 does not hold.
Invariant property smplace_91 does not hold.
Invariant property smplace_90 does not hold.
Invariant property smplace_89 does not hold.
Invariant property smplace_88 does not hold.
Invariant property smplace_87 does not hold.
Invariant property smplace_44 does not hold.
Invariant property smplace_43 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_39 does not hold.
Invariant property smplace_38 does not hold.
SDD proceeding with computation,106 properties remain. new max is 512
SDD size :1.01363e+13 after 1.0505e+13
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_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_37 does not hold.
Invariant property smplace_36 does not hold.
Invariant property smplace_35 does not hold.
Invariant property smplace_34 does not hold.
SDD proceeding with computation,92 properties remain. new max is 512
SDD size :1.60628e+13 after 1.62283e+13
Invariant property smplace_179 does not hold.
Invariant property smplace_178 does not hold.
Invariant property smplace_177 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_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,81 properties remain. new max is 512
SDD size :1.96186e+13 after 2.08039e+13
At refinement iteration 18 (OVERLAPS) 9/564 variables, 9/373 constraints. Problems are: Problem set: 86 solved, 81 unsolved
Invariant property smplace_176 does not hold.
Invariant property smplace_175 does not hold.
Invariant property smplace_174 does not hold.
Invariant property smplace_77 does not hold.
Invariant property smplace_76 does not hold.
Invariant property smplace_75 does not hold.
Invariant property smplace_29 does not hold.
Invariant property smplace_28 does not hold.
Invariant property smplace_27 does not hold.
SDD proceeding with computation,72 properties remain. new max is 512
SDD size :2.31745e+13 after 2.43598e+13
Invariant property smplace_173 does not hold.
Invariant property smplace_172 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_74 does not hold.
Invariant property smplace_73 does not hold.
Invariant property smplace_72 does not hold.
Invariant property smplace_26 does not hold.
Invariant property smplace_25 does not hold.
Invariant property smplace_24 does not hold.
SDD proceeding with computation,63 properties remain. new max is 512
SDD size :2.67304e+13 after 2.79157e+13
At refinement iteration 19 (INCLUDED_ONLY) 0/564 variables, 0/373 constraints. Problems are: Problem set: 104 solved, 63 unsolved
Invariant property smplace_170 does not hold.
Invariant property smplace_169 does not hold.
Invariant property smplace_168 does not hold.
Invariant property smplace_71 does not hold.
Invariant property smplace_70 does not hold.
Invariant property smplace_69 does not hold.
Invariant property smplace_23 does not hold.
Invariant property smplace_22 does not hold.
Invariant property smplace_21 does not hold.
SDD proceeding with computation,54 properties remain. new max is 512
SDD size :3.02862e+13 after 3.14715e+13
Invariant property smplace_167 does not hold.
Invariant property smplace_166 does not hold.
Invariant property smplace_165 does not hold.
Invariant property smplace_68 does not hold.
Invariant property smplace_67 does not hold.
Invariant property smplace_66 does not hold.
Invariant property smplace_20 does not hold.
Invariant property smplace_19 does not hold.
Invariant property smplace_18 does not hold.
SDD proceeding with computation,45 properties remain. new max is 512
SDD size :3.38421e+13 after 3.50274e+13
At refinement iteration 20 (OVERLAPS) 0/564 variables, 0/373 constraints. Problems are: Problem set: 122 solved, 45 unsolved
Invariant property smplace_164 does not hold.
Invariant property smplace_163 does not hold.
Invariant property smplace_162 does not hold.
Invariant property smplace_65 does not hold.
Invariant property smplace_64 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_15 does not hold.
SDD proceeding with computation,37 properties remain. new max is 512
SDD size :3.7398e+13 after 3.78083e+13
Invariant property smplace_161 does not hold.
Invariant property smplace_160 does not hold.
Invariant property smplace_159 does not hold.
Invariant property smplace_63 does not hold.
Invariant property smplace_62 does not hold.
Invariant property smplace_61 does not hold.
Invariant property smplace_14 does not hold.
Invariant property smplace_13 does not hold.
SDD proceeding with computation,29 properties remain. new max is 512
SDD size :4.09538e+13 after 4.11194e+13
No progress, stopping.
After SMT solving in domain Real declared 564/564 variables, and 373 constraints, problems are : Problem set: 122 solved, 45 unsolved in 31698 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 167/167 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 122 solved, 45 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 138 solved, 29 unsolved
At refinement iteration 1 (OVERLAPS) 138/183 variables, 7/7 constraints. Problems are: Problem set: 138 solved, 29 unsolved
Invariant property smplace_158 does not hold.
Invariant property smplace_157 does not hold.
Invariant property smplace_60 does not hold.
Invariant property smplace_59 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_12 does not hold.
Invariant property smplace_11 does not hold.
Invariant property smplace_10 does not hold.
SDD proceeding with computation,21 properties remain. new max is 512
SDD size :4.33244e+13 after 4.45097e+13
At refinement iteration 2 (INCLUDED_ONLY) 0/183 variables, 0/7 constraints. Problems are: Problem set: 146 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 35/218 variables, 24/31 constraints. Problems are: Problem set: 146 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/31 constraints. Problems are: Problem set: 146 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 25/243 variables, 17/48 constraints. Problems are: Problem set: 146 solved, 21 unsolved
Invariant property smplace_156 does not hold.
Invariant property smplace_155 does not hold.
Invariant property smplace_154 does not hold.
Invariant property smplace_57 does not hold.
Invariant property smplace_56 does not hold.
Invariant property smplace_55 does not hold.
Invariant property smplace_9 does not hold.
Invariant property smplace_8 does not hold.
Invariant property smplace_7 does not hold.
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :4.68803e+13 after 4.80656e+13
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 0/48 constraints. Problems are: Problem set: 155 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 7/250 variables, 7/55 constraints. Problems are: Problem set: 155 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/250 variables, 0/55 constraints. Problems are: Problem set: 155 solved, 12 unsolved
Invariant property smplace_153 does not hold.
Invariant property smplace_152 does not hold.
Invariant property smplace_151 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_6 does not hold.
Invariant property smplace_5 does not hold.
Invariant property smplace_4 does not hold.
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :5.04362e+13 after 5.16214e+13
At refinement iteration 9 (OVERLAPS) 200/450 variables, 250/305 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/450 variables, 2/307 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/450 variables, 3/310 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/450 variables, 0/310 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 11/461 variables, 8/318 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/461 variables, 3/321 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/461 variables, 0/321 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 16 (OVERLAPS) 1/462 variables, 1/322 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/462 variables, 1/323 constraints. Problems are: Problem set: 164 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:55:52] [INFO ] Deduced a trap composed of 11 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:55:53] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 11:55:53] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 4 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/462 variables, 3/326 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/462 variables, 0/326 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 20 (OVERLAPS) 52/514 variables, 2/328 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/514 variables, 1/329 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/514 variables, 0/329 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 23 (OVERLAPS) 50/564 variables, 50/379 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/564 variables, 0/379 constraints. Problems are: Problem set: 164 solved, 3 unsolved
At refinement iteration 25 (OVERLAPS) 0/564 variables, 0/379 constraints. Problems are: Problem set: 164 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 564/564 variables, and 379 constraints, problems are : Problem set: 164 solved, 3 unsolved in 3566 ms.
Refiners :[Positive P Invariants (semi-flows): 36/36 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 311/311 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 3/167 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 35281ms problems are : Problem set: 164 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 2417 steps, including 1 resets, run visited all 3 properties in 56 ms. (steps per millisecond=43 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 3 properties in 69 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 271 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL USE_NUPN
Total runtime 613529 ms.

BK_STOP 1779537354145

--------------------
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="DES-PT-50a"
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 DES-PT-50a, 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 r096-smll-177946996500268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-50a.tgz
mv DES-PT-50a 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 ;