Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r035-smll-171620175600122.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is AutoFlight-PT-48b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r035-smll-171620175600122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.4M
-rw-r--r-- 1 mcc users 8.0K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 19 17:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Apr 12 22:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 92K Apr 12 22:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Apr 12 22:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Apr 12 22:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Apr 22 14:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 956K May 18 16:42 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1716216731060

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-48b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202405141337
[2024-05-20 14:52:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2024-05-20 14:52:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-20 14:52:13] [INFO ] Load time of PNML (sax parser for PT used): 456 ms
[2024-05-20 14:52:13] [INFO ] Transformed 3950 places.
[2024-05-20 14:52:13] [INFO ] Transformed 3936 transitions.
[2024-05-20 14:52:13] [INFO ] Found NUPN structural information;
[2024-05-20 14:52:13] [INFO ] Parsed PT model containing 3950 places and 3936 transitions and 9104 arcs in 919 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3950/3950 places, 3936/3936 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1708 transitions
Trivial Post-agglo rules discarded 1708 transitions
Performed 1708 trivial Post agglomeration. Transition count delta: 1708
Iterating post reduction 0 with 1708 rules applied. Total rules applied 1708 place count 3950 transition count 2228
Reduce places removed 1708 places and 0 transitions.
Ensure Unique test removed 192 transitions
Reduce isomorphic transitions removed 192 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 1 with 1996 rules applied. Total rules applied 3704 place count 2242 transition count 1940
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 2 with 96 rules applied. Total rules applied 3800 place count 2146 transition count 1940
Performed 507 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 507 Pre rules applied. Total rules applied 3800 place count 2146 transition count 1433
Deduced a syphon composed of 507 places in 52 ms
Reduce places removed 507 places and 0 transitions.
Iterating global reduction 3 with 1014 rules applied. Total rules applied 4814 place count 1639 transition count 1433
Performed 700 Post agglomeration using F-continuation condition.Transition count delta: 700
Deduced a syphon composed of 700 places in 1 ms
Reduce places removed 700 places and 0 transitions.
Iterating global reduction 3 with 1400 rules applied. Total rules applied 6214 place count 939 transition count 733
Renaming transitions due to excessive name length > 1024 char.
Applied a total of 6214 rules in 669 ms. Remains 939 /3950 variables (removed 3011) and now considering 733/3936 (removed 3203) transitions.
// Phase 1: matrix 733 rows 939 cols
[2024-05-20 14:52:14] [INFO ] Computed 258 invariants in 63 ms
[2024-05-20 14:52:16] [INFO ] Implicit Places using invariants in 2499 ms returned [255, 258, 261, 264, 267, 270, 273, 276, 279, 282, 285, 288, 291, 294, 297, 300, 303, 306, 309, 312, 315, 318, 321, 324, 327, 330, 333, 336, 339, 342, 345, 348, 351, 354, 357, 360, 363, 366, 369, 372, 375, 378, 381, 384, 387, 390, 393, 396, 938]
Discarding 49 places :
Implicit Place search using SMT only with invariants took 2547 ms to find 49 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 890/3950 places, 733/3936 transitions.
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 48 Pre rules applied. Total rules applied 0 place count 890 transition count 685
Deduced a syphon composed of 48 places in 2 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 96 place count 842 transition count 685
Performed 52 Post agglomeration using F-continuation condition.Transition count delta: 52
Deduced a syphon composed of 52 places in 3 ms
Reduce places removed 52 places and 0 transitions.
Iterating global reduction 0 with 104 rules applied. Total rules applied 200 place count 790 transition count 633
Applied a total of 200 rules in 50 ms. Remains 790 /890 variables (removed 100) and now considering 633/733 (removed 100) transitions.
// Phase 1: matrix 633 rows 790 cols
[2024-05-20 14:52:17] [INFO ] Computed 209 invariants in 5 ms
[2024-05-20 14:52:17] [INFO ] Implicit Places using invariants in 803 ms returned []
[2024-05-20 14:52:17] [INFO ] Invariant cache hit.
[2024-05-20 14:52:18] [INFO ] State equation strengthened by 192 read => feed constraints.
[2024-05-20 14:52:24] [INFO ] Implicit Places using invariants and state equation in 6615 ms returned []
Implicit Place search using SMT with State Equation took 7429 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 790/3950 places, 633/3936 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 10728 ms. Remains : 790/3950 places, 633/3936 transitions.
Discarding 144 transitions out of 633. Remains 489
Initial state reduction rules removed 1 formulas.
[2024-05-20 14:52:25] [INFO ] Flatten gal took : 366 ms
[2024-05-20 14:52:25] [INFO ] Flatten gal took : 176 ms
[2024-05-20 14:52:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2476974697642624822.gal : 97 ms
[2024-05-20 14:52:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11506117149328043873.prop : 23 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2476974697642624822.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11506117149328043873.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11506117149328043873.prop.
RANDOM walk for 40000 steps (338 resets) in 6715 ms. (5 steps per ms) remains 205/488 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 11 ms. (33 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 10 ms. (36 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 205/205 properties
[2024-05-20 14:52:26] [INFO ] Invariant cache hit.
[2024-05-20 14:52:26] [INFO ] State equation strengthened by 192 read => feed constraints.
Reachability property qltransition_246 is true.
Reachability property qltransition_244 is true.
Reachability property qltransition_243 is true.
Reachability property qltransition_240 is true.
Reachability property qltransition_238 is true.
Reachability property qltransition_236 is true.
Reachability property qltransition_234 is true.
Reachability property qltransition_232 is true.
Reachability property qltransition_230 is true.
Reachability property qltransition_228 is true.
Reachability property qltransition_226 is true.
Reachability property qltransition_224 is true.
Reachability property qltransition_222 is true.
Reachability property qltransition_220 is true.
Reachability property qltransition_218 is true.
Reachability property qltransition_216 is true.
Reachability property qltransition_214 is true.
Reachability property qltransition_212 is true.
Reachability property qltransition_210 is true.
Reachability property qltransition_208 is true.
Reachability property qltransition_206 is true.
Reachability property qltransition_204 is true.
Reachability property qltransition_202 is true.
Reachability property qltransition_200 is true.
Reachability property qltransition_198 is true.
Reachability property qltransition_196 is true.
Reachability property qltransition_194 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_190 is true.
Reachability property qltransition_188 is true.
Reachability property qltransition_187 is true.
Reachability property qltransition_184 is true.
Reachability property qltransition_182 is true.
Reachability property qltransition_180 is true.
Reachability property qltransition_178 is true.
Reachability property qltransition_176 is true.
Reachability property qltransition_174 is true.
Reachability property qltransition_172 is true.
Reachability property qltransition_170 is true.
Reachability property qltransition_168 is true.
Reachability property qltransition_166 is true.
Reachability property qltransition_164 is true.
Reachability property qltransition_162 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_158 is true.
Reachability property qltransition_156 is true.
Reachability property qltransition_155 is true.
Reachability property qltransition_152 is true.
Reachability property qltransition_150 is true.
Reachability property qltransition_148 is true.
Reachability property qltransition_146 is true.
Reachability property qltransition_144 is true.
SDD proceeding with computation,436 properties remain. new max is 2
SDD size :1 after 28
SDD proceeding with computation,436 properties remain. new max is 4
SDD size :28 after 730
At refinement iteration 0 (INCLUDED_ONLY) 0/347 variables, 347/347 constraints. Problems are: Problem set: 0 solved, 205 unsolved
SDD proceeding with computation,436 properties remain. new max is 8
SDD size :730 after 177148
At refinement iteration 1 (INCLUDED_ONLY) 0/347 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (OVERLAPS) 317/664 variables, 146/493 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/664 variables, 317/810 constraints. Problems are: Problem set: 0 solved, 205 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 664/1423 variables, and 810 constraints, problems are : Problem set: 0 solved, 205 unsolved in 5054 ms.
Refiners :[Domain max(s): 664/790 constraints, Positive P Invariants (semi-flows): 146/209 constraints, State Equation: 0/790 constraints, ReadFeed: 0/192 constraints, PredecessorRefiner: 205/205 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 205 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/347 variables, 347/347 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/347 variables, 0/347 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 2 (OVERLAPS) 317/664 variables, 146/493 constraints. Problems are: Problem set: 0 solved, 205 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/664 variables, 317/810 constraints. Problems are: Problem set: 0 solved, 205 unsolved
[2024-05-20 14:52:34] [INFO ] Deduced a trap composed of 4 places in 224 ms of which 26 ms to minimize.
[2024-05-20 14:52:34] [INFO ] Deduced a trap composed of 4 places in 137 ms of which 4 ms to minimize.
[2024-05-20 14:52:34] [INFO ] Deduced a trap composed of 6 places in 124 ms of which 4 ms to minimize.
[2024-05-20 14:52:34] [INFO ] Deduced a trap composed of 6 places in 117 ms of which 2 ms to minimize.
[2024-05-20 14:52:35] [INFO ] Deduced a trap composed of 4 places in 130 ms of which 2 ms to minimize.
[2024-05-20 14:52:35] [INFO ] Deduced a trap composed of 6 places in 129 ms of which 2 ms to minimize.
[2024-05-20 14:52:35] [INFO ] Deduced a trap composed of 6 places in 128 ms of which 3 ms to minimize.
[2024-05-20 14:52:35] [INFO ] Deduced a trap composed of 6 places in 130 ms of which 3 ms to minimize.
[2024-05-20 14:52:35] [INFO ] Deduced a trap composed of 4 places in 116 ms of which 3 ms to minimize.
[2024-05-20 14:52:35] [INFO ] Deduced a trap composed of 6 places in 122 ms of which 3 ms to minimize.
[2024-05-20 14:52:35] [INFO ] Deduced a trap composed of 6 places in 120 ms of which 2 ms to minimize.
[2024-05-20 14:52:36] [INFO ] Deduced a trap composed of 6 places in 105 ms of which 3 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 664/1423 variables, and 822 constraints, problems are : Problem set: 0 solved, 205 unsolved in 5014 ms.
Refiners :[Domain max(s): 664/790 constraints, Positive P Invariants (semi-flows): 146/209 constraints, State Equation: 0/790 constraints, ReadFeed: 0/192 constraints, PredecessorRefiner: 0/205 constraints, Known Traps: 12/12 constraints]
After SMT, in 10515ms problems are : Problem set: 0 solved, 205 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 347 out of 790 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 790/790 places, 633/633 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 766 transition count 609
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 766 transition count 609
Free-agglomeration rule applied 57 times.
Iterating global reduction 0 with 57 rules applied. Total rules applied 105 place count 766 transition count 552
Reduce places removed 57 places and 0 transitions.
Iterating post reduction 0 with 57 rules applied. Total rules applied 162 place count 709 transition count 552
Applied a total of 162 rules in 270 ms. Remains 709 /790 variables (removed 81) and now considering 552/633 (removed 81) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 276 ms. Remains : 709/790 places, 552/633 transitions.
SDD proceeding with computation,436 properties remain. new max is 16
SDD size :177148 after 3.8742e+08
SDD proceeding with computation,436 properties remain. new max is 32
SDD size :3.8742e+08 after 1.85302e+15
RANDOM walk for 3819005 steps (57152 resets) in 120004 ms. (31 steps per ms) remains 99/205 properties
BEST_FIRST walk for 400004 steps (76 resets) in 2895 ms. (138 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (77 resets) in 2290 ms. (174 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400003 steps (76 resets) in 2358 ms. (169 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (76 resets) in 2246 ms. (178 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2160 ms. (185 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2319 ms. (172 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (143 resets) in 2271 ms. (176 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2484 ms. (160 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2492 ms. (160 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2338 ms. (171 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2447 ms. (163 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (143 resets) in 2292 ms. (174 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2448 ms. (163 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2424 ms. (164 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2334 ms. (171 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2324 ms. (172 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2335 ms. (171 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (142 resets) in 2259 ms. (176 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2170 ms. (184 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2334 ms. (171 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2276 ms. (175 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2436 ms. (164 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (143 resets) in 2431 ms. (164 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2334 ms. (171 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2348 ms. (170 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2370 ms. (168 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2330 ms. (171 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2377 ms. (168 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (144 resets) in 2515 ms. (158 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (144 resets) in 2490 ms. (160 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2362 ms. (169 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2298 ms. (173 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2369 ms. (168 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2365 ms. (169 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2254 ms. (177 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2410 ms. (165 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (144 resets) in 2390 ms. (167 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2303 ms. (173 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2440 ms. (163 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (144 resets) in 2408 ms. (166 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (144 resets) in 2277 ms. (175 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2250 ms. (177 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400003 steps (144 resets) in 2313 ms. (172 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2449 ms. (163 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2335 ms. (171 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (147 resets) in 2188 ms. (182 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (145 resets) in 2365 ms. (169 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400003 steps (146 resets) in 2429 ms. (164 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2474 ms. (161 steps per ms) remains 99/99 properties
BEST_FIRST walk for 400004 steps (148 resets) in 2410 ms. (165 steps per ms) remains 99/99 properties
// Phase 1: matrix 552 rows 709 cols
[2024-05-20 14:53:42] [INFO ] Computed 209 invariants in 4 ms
[2024-05-20 14:53:42] [INFO ] State equation strengthened by 249 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (OVERLAPS) 295/454 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 255/709 variables, 168/209 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-20 14:53:46] [INFO ] Deduced a trap composed of 4 places in 184 ms of which 3 ms to minimize.
[2024-05-20 14:53:46] [INFO ] Deduced a trap composed of 4 places in 102 ms of which 6 ms to minimize.
[2024-05-20 14:53:46] [INFO ] Deduced a trap composed of 4 places in 100 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 4 places in 109 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 4 places in 114 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 4 places in 118 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 6 places in 111 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 4 places in 107 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 4 places in 93 ms of which 3 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 4 places in 92 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 4 places in 92 ms of which 2 ms to minimize.
[2024-05-20 14:53:47] [INFO ] Deduced a trap composed of 6 places in 90 ms of which 3 ms to minimize.
[2024-05-20 14:53:48] [INFO ] Deduced a trap composed of 6 places in 95 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/709 variables, 13/222 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/709 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (OVERLAPS) 552/1261 variables, 709/931 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1261 variables, 249/1180 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1261 variables, 0/1180 constraints. Problems are: Problem set: 0 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/1261 variables, 0/1180 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1261/1261 variables, and 1180 constraints, problems are : Problem set: 0 solved, 99 unsolved in 30930 ms.
Refiners :[Positive P Invariants (semi-flows): 209/209 constraints, State Equation: 709/709 constraints, ReadFeed: 249/249 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 13/13 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (OVERLAPS) 295/454 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/454 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 255/709 variables, 168/209 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/709 variables, 13/222 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-20 14:54:15] [INFO ] Deduced a trap composed of 4 places in 111 ms of which 3 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 4 places in 112 ms of which 3 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 4 places in 100 ms of which 2 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 6 places in 100 ms of which 3 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 6 places in 97 ms of which 3 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 6 places in 96 ms of which 2 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 6 places in 103 ms of which 2 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 6 places in 95 ms of which 3 ms to minimize.
[2024-05-20 14:54:16] [INFO ] Deduced a trap composed of 6 places in 102 ms of which 7 ms to minimize.
[2024-05-20 14:54:17] [INFO ] Deduced a trap composed of 6 places in 99 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/709 variables, 10/232 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/709 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (OVERLAPS) 552/1261 variables, 709/941 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1261 variables, 249/1190 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1261 variables, 99/1289 constraints. Problems are: Problem set: 0 solved, 99 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1261/1261 variables, and 1289 constraints, problems are : Problem set: 0 solved, 99 unsolved in 45014 ms.
Refiners :[Positive P Invariants (semi-flows): 209/209 constraints, State Equation: 709/709 constraints, ReadFeed: 249/249 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 23/23 constraints]
After SMT, in 76014ms problems are : Problem set: 0 solved, 99 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 159 out of 709 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 709/709 places, 552/552 transitions.
Discarding 24 places :
Symmetric choice reduction at 0 with 24 rule applications. Total rules 24 place count 685 transition count 528
Iterating global reduction 0 with 24 rules applied. Total rules applied 48 place count 685 transition count 528
Free-agglomeration rule applied 15 times.
Iterating global reduction 0 with 15 rules applied. Total rules applied 63 place count 685 transition count 513
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 0 with 15 rules applied. Total rules applied 78 place count 670 transition count 513
Applied a total of 78 rules in 114 ms. Remains 670 /709 variables (removed 39) and now considering 513/552 (removed 39) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 670/709 places, 513/552 transitions.
RANDOM walk for 4000000 steps (39547 resets) in 112228 ms. (35 steps per ms) remains 95/99 properties
BEST_FIRST walk for 400004 steps (96 resets) in 2584 ms. (154 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (100 resets) in 2713 ms. (147 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (97 resets) in 3274 ms. (122 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (99 resets) in 2822 ms. (141 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (156 resets) in 3211 ms. (124 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (163 resets) in 2880 ms. (138 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (162 resets) in 2804 ms. (142 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (146 resets) in 2609 ms. (153 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (172 resets) in 2983 ms. (134 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (150 resets) in 3137 ms. (127 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (172 resets) in 3037 ms. (131 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (156 resets) in 2945 ms. (135 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (169 resets) in 3007 ms. (132 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (156 resets) in 2970 ms. (134 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (171 resets) in 3409 ms. (117 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (155 resets) in 3003 ms. (133 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (171 resets) in 3186 ms. (125 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (162 resets) in 2896 ms. (138 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (166 resets) in 3106 ms. (128 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (152 resets) in 2954 ms. (135 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (158 resets) in 3106 ms. (128 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (160 resets) in 3071 ms. (130 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (166 resets) in 3253 ms. (122 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (164 resets) in 3093 ms. (129 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (168 resets) in 3201 ms. (124 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (155 resets) in 2983 ms. (134 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (166 resets) in 3374 ms. (118 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (157 resets) in 3109 ms. (128 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (166 resets) in 2852 ms. (140 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (157 resets) in 2873 ms. (139 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (164 resets) in 3083 ms. (129 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (158 resets) in 3006 ms. (133 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (161 resets) in 3464 ms. (115 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (161 resets) in 3040 ms. (131 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (168 resets) in 3268 ms. (122 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (162 resets) in 3106 ms. (128 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (168 resets) in 3216 ms. (124 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (161 resets) in 3067 ms. (130 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (157 resets) in 3545 ms. (112 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (152 resets) in 3110 ms. (128 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (168 resets) in 3375 ms. (118 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (159 resets) in 3167 ms. (126 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400003 steps (158 resets) in 2989 ms. (133 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (156 resets) in 3140 ms. (127 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (158 resets) in 2910 ms. (137 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (161 resets) in 3198 ms. (125 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (160 resets) in 3018 ms. (132 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (155 resets) in 3065 ms. (130 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (158 resets) in 3031 ms. (131 steps per ms) remains 95/95 properties
BEST_FIRST walk for 400004 steps (156 resets) in 3178 ms. (125 steps per ms) remains 95/95 properties
Interrupted probabilistic random walk after 17973718 steps, run timeout after 222001 ms. (steps per millisecond=80 ) properties seen :49 out of 95
Probabilistic random walk after 17973718 steps, saw 2085339 distinct states, run finished after 222011 ms. (steps per millisecond=80 ) properties seen :49
// Phase 1: matrix 513 rows 670 cols
[2024-05-20 14:59:55] [INFO ] Computed 209 invariants in 3 ms
[2024-05-20 14:59:55] [INFO ] State equation strengthened by 264 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 359/450 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/450 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (OVERLAPS) 220/670 variables, 170/209 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/670 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (OVERLAPS) 513/1183 variables, 670/879 constraints. Problems are: Problem set: 0 solved, 46 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1183 variables, 264/1143 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1183 variables, 0/1143 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (OVERLAPS) 0/1183 variables, 0/1143 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1183/1183 variables, and 1143 constraints, problems are : Problem set: 0 solved, 46 unsolved in 6804 ms.
Refiners :[Positive P Invariants (semi-flows): 209/209 constraints, State Equation: 670/670 constraints, ReadFeed: 264/264 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 46 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 1 (OVERLAPS) 359/450 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/450 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 3 (OVERLAPS) 220/670 variables, 170/209 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/670 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 5 (OVERLAPS) 513/1183 variables, 670/879 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1183 variables, 264/1143 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1183 variables, 46/1189 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1183 variables, 0/1189 constraints. Problems are: Problem set: 0 solved, 46 unsolved
At refinement iteration 9 (OVERLAPS) 0/1183 variables, 0/1189 constraints. Problems are: Problem set: 0 solved, 46 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1183/1183 variables, and 1189 constraints, problems are : Problem set: 0 solved, 46 unsolved in 33902 ms.
Refiners :[Positive P Invariants (semi-flows): 209/209 constraints, State Equation: 670/670 constraints, ReadFeed: 264/264 constraints, PredecessorRefiner: 46/46 constraints, Known Traps: 0/0 constraints]
After SMT, in 40742ms problems are : Problem set: 0 solved, 46 unsolved
Fused 46 Parikh solutions to 45 different solutions.
Parikh walk visited 24 properties in 9943 ms.
Support contains 43 out of 670 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 670/670 places, 513/513 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 668 transition count 511
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 668 transition count 511
Free-agglomeration rule applied 32 times.
Iterating global reduction 0 with 32 rules applied. Total rules applied 36 place count 668 transition count 479
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 0 with 32 rules applied. Total rules applied 68 place count 636 transition count 479
Applied a total of 68 rules in 89 ms. Remains 636 /670 variables (removed 34) and now considering 479/513 (removed 34) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 636/670 places, 479/513 transitions.
RANDOM walk for 3951152 steps (42643 resets) in 110665 ms. (35 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (182 resets) in 2863 ms. (139 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (174 resets) in 3192 ms. (125 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (260 resets) in 3289 ms. (121 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (278 resets) in 2734 ms. (146 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (274 resets) in 3155 ms. (126 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (276 resets) in 2964 ms. (134 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (269 resets) in 3549 ms. (112 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (271 resets) in 3050 ms. (131 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (276 resets) in 3076 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (258 resets) in 2883 ms. (138 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (277 resets) in 2757 ms. (145 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (257 resets) in 3055 ms. (130 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400002 steps (260 resets) in 3017 ms. (132 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (261 resets) in 2962 ms. (134 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (278 resets) in 2948 ms. (135 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (266 resets) in 3557 ms. (112 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (251 resets) in 3255 ms. (122 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (244 resets) in 3084 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (260 resets) in 3037 ms. (131 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400003 steps (278 resets) in 2635 ms. (151 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (261 resets) in 3117 ms. (128 steps per ms) remains 22/22 properties
BEST_FIRST walk for 400004 steps (253 resets) in 2974 ms. (134 steps per ms) remains 22/22 properties
Detected timeout of ITS tools.
[2024-05-20 15:02:26] [INFO ] Flatten gal took : 144 ms
[2024-05-20 15:02:26] [INFO ] Applying decomposition
[2024-05-20 15:02:26] [INFO ] Flatten gal took : 84 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph4676027857767081447.txt' '-o' '/tmp/graph4676027857767081447.bin' '-w' '/tmp/graph4676027857767081447.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph4676027857767081447.bin' '-l' '-1' '-v' '-w' '/tmp/graph4676027857767081447.weights' '-q' '0' '-e' '0.001'
[2024-05-20 15:02:27] [INFO ] Decomposing Gal with order
[2024-05-20 15:02:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-20 15:02:27] [INFO ] Removed a total of 161 redundant transitions.
[2024-05-20 15:02:28] [INFO ] Flatten gal took : 244 ms
[2024-05-20 15:02:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 172 labels/synchronizations in 165 ms.
[2024-05-20 15:02:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8992602827215504523.gal : 45 ms
[2024-05-20 15:02:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16757218689237986231.prop : 49 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8992602827215504523.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16757218689237986231.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16757218689237986231.prop.
SDD proceeding with computation,22 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,22 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,22 properties remain. new max is 16
SDD size :1 after 1
SDD proceeding with computation,22 properties remain. new max is 32
SDD size :1 after 1
SDD proceeding with computation,22 properties remain. new max is 64
SDD size :89 after 5.12256e+32
SDD proceeding with computation,22 properties remain. new max is 128
SDD size :5.12256e+32 after 6.21572e+33
SDD proceeding with computation,22 properties remain. new max is 256
SDD size :6.21572e+33 after 1.83409e+34
SDD proceeding with computation,22 properties remain. new max is 512
SDD size :1.83409e+34 after 4.17039e+34
SDD proceeding with computation,22 properties remain. new max is 1024
SDD size :4.17039e+34 after 6.22364e+34
SDD proceeding with computation,22 properties remain. new max is 2048
SDD size :6.22364e+34 after 3.75885e+35
SDD proceeding with computation,22 properties remain. new max is 4096
SDD size :3.75885e+35 after 3.63404e+36
Reachability property qltransition_569 is true.
Reachability property qltransition_299 is true.
Reachability property qltransition_292 is true.
Reachability property qltransition_285 is true.
Reachability property qltransition_278 is true.
Reachability property qltransition_271 is true.
Reachability property qltransition_264 is true.
Reachability property qltransition_257 is true.
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :3.63404e+36 after 1.817e+37
Reachability property qltransition_145 is true.
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :1.817e+37 after 2.34065e+37
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :2.34065e+37 after 8.1116e+37
SDD proceeding with computation,13 properties remain. new max is 16384
SDD size :8.1116e+37 after 1.11043e+38
SDD proceeding with computation,13 properties remain. new max is 32768
SDD size :1.11043e+38 after 5.44415e+38
SDD proceeding with computation,13 properties remain. new max is 65536
SDD size :5.44415e+38 after 1.31934e+39
SDD proceeding with computation,13 properties remain. new max is 131072
SDD size :1.31934e+39 after 4.05876e+39
Interrupted probabilistic random walk after 9584215 steps, run timeout after 150001 ms. (steps per millisecond=63 ) properties seen :0 out of 22
Probabilistic random walk after 9584215 steps, saw 1707277 distinct states, run finished after 150001 ms. (steps per millisecond=63 ) properties seen :0
// Phase 1: matrix 479 rows 636 cols
[2024-05-20 15:04:06] [INFO ] Computed 209 invariants in 18 ms
[2024-05-20 15:04:06] [INFO ] State equation strengthened by 296 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 350/376 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/376 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 260/636 variables, 195/209 constraints. Problems are: Problem set: 0 solved, 13 unsolved
SDD proceeding with computation,13 properties remain. new max is 262144
SDD size :4.05876e+39 after 1.01246e+40
At refinement iteration 4 (INCLUDED_ONLY) 0/636 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 479/1115 variables, 636/845 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1115 variables, 296/1141 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1115 variables, 0/1141 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (OVERLAPS) 0/1115 variables, 0/1141 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1115/1115 variables, and 1141 constraints, problems are : Problem set: 0 solved, 13 unsolved in 2075 ms.
Refiners :[Positive P Invariants (semi-flows): 209/209 constraints, State Equation: 636/636 constraints, ReadFeed: 296/296 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 350/376 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/376 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (OVERLAPS) 260/636 variables, 195/209 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/636 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (OVERLAPS) 479/1115 variables, 636/845 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1115 variables, 296/1141 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1115 variables, 13/1154 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1115 variables, 0/1154 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 9 (OVERLAPS) 0/1115 variables, 0/1154 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1115/1115 variables, and 1154 constraints, problems are : Problem set: 0 solved, 13 unsolved in 3541 ms.
Refiners :[Positive P Invariants (semi-flows): 209/209 constraints, State Equation: 636/636 constraints, ReadFeed: 296/296 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 5659ms problems are : Problem set: 0 solved, 13 unsolved
Finished Parikh walk after 68 steps, including 0 resets, run visited all 13 properties in 5 ms. (steps per millisecond=13 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 13 properties in 25 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 489 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE USE_NUPN
Total runtime 719053 ms.

BK_STOP 1716217451883

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -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="AutoFlight-PT-48b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool itstools"
echo " Input is AutoFlight-PT-48b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r035-smll-171620175600122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-48b.tgz
mv AutoFlight-PT-48b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;