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.r101-tall-171624201900422.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)
..............
=====================================================================
Generated by BenchKit 2-5568
Executing tool itstools
Input is DES-PT-10b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r101-tall-171624201900422
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 7.3K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K 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 3.5K Apr 22 14:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:08 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Apr 12 08:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 81K Apr 12 08:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 12 08:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Apr 12 08:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Apr 22 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Apr 22 14:36 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 79K 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 1716297579165

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202405141337
[2024-05-21 13:19:40] [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]
[2024-05-21 13:19:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 13:19:40] [INFO ] Load time of PNML (sax parser for PT used): 92 ms
[2024-05-21 13:19:40] [INFO ] Transformed 320 places.
[2024-05-21 13:19:40] [INFO ] Transformed 271 transitions.
[2024-05-21 13:19:40] [INFO ] Found NUPN structural information;
[2024-05-21 13:19:40] [INFO ] Parsed PT model containing 320 places and 271 transitions and 827 arcs in 203 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 320/320 places, 271/271 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 317 transition count 248
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 49 place count 294 transition count 248
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 49 place count 294 transition count 239
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 67 place count 285 transition count 239
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 1 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 2 with 182 rules applied. Total rules applied 249 place count 194 transition count 148
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 257 place count 190 transition count 164
Applied a total of 257 rules in 77 ms. Remains 190 /320 variables (removed 130) and now considering 164/271 (removed 107) transitions.
// Phase 1: matrix 164 rows 190 cols
[2024-05-21 13:19:40] [INFO ] Computed 62 invariants in 30 ms
[2024-05-21 13:19:41] [INFO ] Implicit Places using invariants in 417 ms returned [75]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 449 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 189/320 places, 164/271 transitions.
Applied a total of 0 rules in 4 ms. Remains 189 /189 variables (removed 0) and now considering 164/164 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 546 ms. Remains : 189/320 places, 164/271 transitions.
Discarding 45 transitions out of 164. Remains 119
Initial state reduction rules removed 1 formulas.
[2024-05-21 13:19:41] [INFO ] Flatten gal took : 101 ms
[2024-05-21 13:19:41] [INFO ] Flatten gal took : 74 ms
[2024-05-21 13:19:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15999075380329415210.gal : 17 ms
[2024-05-21 13:19:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11578395921825769772.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15999075380329415210.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11578395921825769772.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 ...330
RANDOM walk for 40000 steps (1354 resets) in 2339 ms. (17 steps per ms) remains 29/118 properties
BEST_FIRST walk for 4003 steps (17 resets) in 62 ms. (63 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (23 resets) in 25 ms. (154 steps per ms) remains 29/29 properties
Loading property file /tmp/ReachabilityCardinality11578395921825769772.prop.
BEST_FIRST walk for 4004 steps (24 resets) in 30 ms. (129 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (19 resets) in 30 ms. (129 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (21 resets) in 25 ms. (154 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (20 resets) in 36 ms. (108 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (20 resets) in 18 ms. (210 steps per ms) remains 29/29 properties
Reachability property qltransition_143 is true.
Reachability property qltransition_140 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_121 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_22 is true.
BEST_FIRST walk for 4003 steps (19 resets) in 22 ms. (174 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (16 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
Reachability property qltransition_11 is true.
Reachability property qltransition_10 is true.
Reachability property qltransition_7 is true.
Reachability property qltransition_4 is true.
SDD proceeding with computation,107 properties remain. new max is 2
SDD size :1 after 7
BEST_FIRST walk for 4003 steps (16 resets) in 19 ms. (200 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (17 resets) in 22 ms. (174 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (17 resets) in 18 ms. (210 steps per ms) remains 29/29 properties
SDD proceeding with computation,107 properties remain. new max is 4
SDD size :7 after 9
BEST_FIRST walk for 4003 steps (14 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
Reachability property qltransition_35 is true.
Reachability property qltransition_34 is true.
SDD proceeding with computation,105 properties remain. new max is 4
SDD size :9 after 33
Reachability property qltransition_63 is true.
Reachability property qltransition_62 is true.
Reachability property qltransition_38 is true.
Reachability property qltransition_37 is true.
Reachability property qltransition_36 is true.
BEST_FIRST walk for 4004 steps (17 resets) in 19 ms. (200 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (15 resets) in 13 ms. (286 steps per ms) remains 29/29 properties
SDD proceeding with computation,100 properties remain. new max is 4
SDD size :33 after 99
Reachability property qltransition_146 is true.
SDD proceeding with computation,99 properties remain. new max is 4
SDD size :99 after 387
BEST_FIRST walk for 4004 steps (18 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (17 resets) in 15 ms. (250 steps per ms) remains 29/29 properties
Reachability property qltransition_158 is true.
BEST_FIRST walk for 4004 steps (18 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
Reachability property qltransition_155 is true.
BEST_FIRST walk for 4004 steps (15 resets) in 13 ms. (286 steps per ms) remains 29/29 properties
Reachability property qltransition_152 is true.
Reachability property qltransition_149 is true.
SDD proceeding with computation,95 properties remain. new max is 4
SDD size :387 after 3747
Reachability property qltransition_161 is true.
BEST_FIRST walk for 4004 steps (16 resets) in 21 ms. (182 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (18 resets) in 12 ms. (307 steps per ms) remains 29/29 properties
SDD proceeding with computation,94 properties remain. new max is 4
SDD size :3747 after 4995
BEST_FIRST walk for 4004 steps (20 resets) in 24 ms. (160 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (16 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (16 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (15 resets) in 27 ms. (143 steps per ms) remains 29/29 properties
Reachability property qltransition_137 is true.
Reachability property qltransition_134 is true.
Reachability property qltransition_128 is true.
Reachability property qltransition_125 is true.
Reachability property qltransition_122 is true.
BEST_FIRST walk for 4004 steps (16 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (18 resets) in 15 ms. (250 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (20 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (17 resets) in 14 ms. (266 steps per ms) remains 29/29 properties
SDD proceeding with computation,89 properties remain. new max is 4
SDD size :4995 after 11712
SDD proceeding with computation,89 properties remain. new max is 8
SDD size :11712 after 11817
SDD proceeding with computation,89 properties remain. new max is 16
SDD size :11817 after 11994
Reachability property qltransition_21 is true.
SDD proceeding with computation,88 properties remain. new max is 16
SDD size :11994 after 14786
SDD proceeding with computation,88 properties remain. new max is 32
SDD size :14786 after 15039
// Phase 1: matrix 164 rows 189 cols
SDD proceeding with computation,88 properties remain. new max is 64
SDD size :15039 after 28311
[2024-05-21 13:19:42] [INFO ] Computed 61 invariants in 8 ms
SDD proceeding with computation,88 properties remain. new max is 128
SDD size :28311 after 76215
[2024-05-21 13:19:42] [INFO ] State equation strengthened by 6 read => feed constraints.
Reachability property qltransition_81 is true.
Reachability property qltransition_80 is true.
Reachability property qltransition_79 is true.
Reachability property qltransition_78 is true.
Reachability property qltransition_77 is true.
Reachability property qltransition_76 is true.
Reachability property qltransition_70 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_25 is true.
SDD proceeding with computation,79 properties remain. new max is 128
SDD size :76215 after 287365
Reachability property qltransition_56 is true.
SDD proceeding with computation,78 properties remain. new max is 128
SDD size :287365 after 299813
Reachability property qltransition_26 is true.
SDD proceeding with computation,77 properties remain. new max is 128
SDD size :299813 after 381255
SDD proceeding with computation,77 properties remain. new max is 256
SDD size :381255 after 751549
SDD proceeding with computation,77 properties remain. new max is 512
SDD size :751549 after 1.65997e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Reachability property qltransition_111 is true.
Reachability property qltransition_109 is true.
Reachability property qltransition_108 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_72 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_69 is true.
Reachability property qltransition_55 is true.
Reachability property qltransition_54 is true.
Reachability property qltransition_45 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_41 is true.
Reachability property qltransition_39 is true.
Reachability property qltransition_3 is true.
SDD proceeding with computation,63 properties remain. new max is 512
SDD size :1.65997e+06 after 1.61148e+07
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Reachability property qltransition_105 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_20 is true.
Reachability property qltransition_2 is true.
SDD proceeding with computation,59 properties remain. new max is 512
SDD size :1.61148e+07 after 3.0575e+07
At refinement iteration 2 (OVERLAPS) 20/57 variables, 6/43 constraints. Problems are: Problem set: 0 solved, 29 unsolved
SDD proceeding with computation,59 properties remain. new max is 1024
SDD size :3.0575e+07 after 3.94807e+07
At refinement iteration 3 (INCLUDED_ONLY) 0/57 variables, 20/63 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/57 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (OVERLAPS) 74/131 variables, 26/89 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Reachability property qltransition_104 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_98 is true.
Reachability property qltransition_97 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_95 is true.
Reachability property qltransition_94 is true.
Reachability property qltransition_53 is true.
Reachability property qltransition_52 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_50 is true.
Reachability property qltransition_49 is true.
Reachability property qltransition_48 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_46 is true.
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 74/163 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/131 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 48/179 variables, 27/190 constraints. Problems are: Problem set: 0 solved, 29 unsolved
SDD proceeding with computation,44 properties remain. new max is 1024
SDD size :3.94807e+07 after 8.80737e+09
At refinement iteration 9 (INCLUDED_ONLY) 0/179 variables, 48/238 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/179 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 11 (OVERLAPS) 4/183 variables, 2/240 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/183 variables, 4/244 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/183 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Reachability property qltransition_110 is true.
Reachability property qltransition_107 is true.
Reachability property qltransition_106 is true.
Reachability property qltransition_102 is true.
At refinement iteration 14 (OVERLAPS) 164/347 variables, 183/427 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Reachability property qltransition_101 is true.
Reachability property qltransition_100 is true.
Reachability property qltransition_93 is true.
Reachability property qltransition_92 is true.
Reachability property qltransition_91 is true.
At refinement iteration 15 (INCLUDED_ONLY) 0/347 variables, 6/433 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/347 variables, 0/433 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 17 (OVERLAPS) 6/353 variables, 6/439 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Reachability property qltransition_28 is true.
At refinement iteration 18 (INCLUDED_ONLY) 0/353 variables, 6/445 constraints. Problems are: Problem set: 0 solved, 29 unsolved
[2024-05-21 13:19:44] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 10 ms to minimize.
SDD proceeding with computation,34 properties remain. new max is 1024
SDD size :8.80737e+09 after 5.46314e+10
At refinement iteration 19 (INCLUDED_ONLY) 0/353 variables, 1/446 constraints. Problems are: Problem set: 1 solved, 28 unsolved
Reachability property qltransition_44 is true.
Reachability property qltransition_42 is true.
Reachability property qltransition_40 is true.
Reachability property qltransition_1 is true.
SDD proceeding with computation,30 properties remain. new max is 1024
SDD size :5.46314e+10 after 5.48241e+10
At refinement iteration 20 (INCLUDED_ONLY) 0/353 variables, 0/446 constraints. Problems are: Problem set: 1 solved, 28 unsolved
SDD proceeding with computation,30 properties remain. new max is 2048
SDD size :5.48241e+10 after 5.84567e+10
At refinement iteration 21 (OVERLAPS) 0/353 variables, 0/446 constraints. Problems are: Problem set: 1 solved, 28 unsolved
No progress, stopping.
After SMT solving in domain Real declared 353/353 variables, and 446 constraints, problems are : Problem set: 1 solved, 28 unsolved in 3873 ms.
Refiners :[Domain max(s): 189/189 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 189/189 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 28 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 36/36 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/36 variables, 0/36 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 2 (OVERLAPS) 20/56 variables, 6/42 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 20/62 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 0/62 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 5 (OVERLAPS) 74/130 variables, 26/88 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/130 variables, 74/162 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/130 variables, 0/162 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 8 (OVERLAPS) 49/179 variables, 27/189 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/179 variables, 49/238 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/179 variables, 1/239 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/179 variables, 0/239 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 12 (OVERLAPS) 4/183 variables, 2/241 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/183 variables, 4/245 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/183 variables, 0/245 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 15 (OVERLAPS) 164/347 variables, 183/428 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/347 variables, 6/434 constraints. Problems are: Problem set: 1 solved, 28 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/347 variables, 10/444 constraints. Problems are: Problem set: 1 solved, 28 unsolved
[2024-05-21 13:19:47] [INFO ] Deduced a trap composed of 15 places in 99 ms of which 16 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/347 variables, 1/445 constraints. Problems are: Problem set: 1 solved, 28 unsolved
Reachability property qltransition_29 is true.
SDD proceeding with computation,29 properties remain. new max is 2048
SDD size :5.84567e+10 after 1.72044e+11
[2024-05-21 13:19:49] [INFO ] Deduced a trap composed of 21 places in 489 ms of which 1 ms to minimize.
[2024-05-21 13:19:49] [INFO ] Deduced a trap composed of 27 places in 43 ms of which 1 ms to minimize.
[2024-05-21 13:19:49] [INFO ] Deduced a trap composed of 11 places in 101 ms of which 1 ms to minimize.
SDD proceeding with computation,29 properties remain. new max is 4096
[2024-05-21 13:19:49] [INFO ] Deduced a trap composed of 27 places in 418 ms of which 1 ms to minimize.
SDD size :1.72044e+11 after 1.77489e+11
At refinement iteration 19 (INCLUDED_ONLY) 0/347 variables, 4/449 constraints. Problems are: Problem set: 2 solved, 27 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 347/353 variables, and 449 constraints, problems are : Problem set: 2 solved, 27 unsolved in 5009 ms.
Refiners :[Domain max(s): 183/189 constraints, Positive P Invariants (semi-flows): 32/32 constraints, Generalized P Invariants (flows): 29/29 constraints, State Equation: 183/189 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 10/29 constraints, Known Traps: 6/6 constraints]
After SMT, in 9010ms problems are : Problem set: 2 solved, 27 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 35 out of 189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 189/189 places, 164/164 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 189 transition count 163
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 18 place count 172 transition count 126
Iterating global reduction 1 with 17 rules applied. Total rules applied 35 place count 172 transition count 126
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 45 place count 172 transition count 116
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 45 place count 172 transition count 113
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 51 place count 169 transition count 113
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 55 place count 165 transition count 109
Iterating global reduction 2 with 4 rules applied. Total rules applied 59 place count 165 transition count 109
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 63 place count 165 transition count 105
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 164 transition count 105
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 66 place count 164 transition count 104
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 67 place count 163 transition count 104
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 68 place count 163 transition count 103
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 69 place count 162 transition count 103
Applied a total of 69 rules in 125 ms. Remains 162 /189 variables (removed 27) and now considering 103/164 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 162/189 places, 103/164 transitions.
Reachability property qltransition_30 is true.
SDD proceeding with computation,28 properties remain. new max is 4096
SDD size :1.77489e+11 after 2.79732e+11
RANDOM walk for 4000000 steps (183975 resets) in 24903 ms. (160 steps per ms) remains 24/27 properties
BEST_FIRST walk for 400003 steps (3812 resets) in 934 ms. (427 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (4473 resets) in 1115 ms. (358 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (4426 resets) in 1278 ms. (312 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (4484 resets) in 812 ms. (492 steps per ms) remains 24/24 properties
Reachability property qltransition_31 is true.
BEST_FIRST walk for 400003 steps (4448 resets) in 1002 ms. (398 steps per ms) remains 24/24 properties
SDD proceeding with computation,27 properties remain. new max is 4096
SDD size :2.79732e+11 after 3.6784e+11
BEST_FIRST walk for 400003 steps (4450 resets) in 1147 ms. (348 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3589 resets) in 902 ms. (442 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3595 resets) in 805 ms. (496 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3532 resets) in 1004 ms. (398 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3535 resets) in 963 ms. (414 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3806 resets) in 1057 ms. (378 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3687 resets) in 1219 ms. (327 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3844 resets) in 838 ms. (476 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3828 resets) in 1154 ms. (346 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3828 resets) in 847 ms. (471 steps per ms) remains 24/24 properties
Reachability property qltransition_32 is true.
BEST_FIRST walk for 400003 steps (3827 resets) in 1126 ms. (354 steps per ms) remains 24/24 properties
SDD proceeding with computation,26 properties remain. new max is 4096
SDD size :3.6784e+11 after 4.52454e+11
BEST_FIRST walk for 400004 steps (3842 resets) in 863 ms. (462 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3778 resets) in 1030 ms. (387 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3783 resets) in 872 ms. (458 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3874 resets) in 1120 ms. (356 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400002 steps (3863 resets) in 935 ms. (427 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3859 resets) in 1030 ms. (387 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400003 steps (3885 resets) in 878 ms. (455 steps per ms) remains 24/24 properties
BEST_FIRST walk for 400004 steps (3869 resets) in 985 ms. (405 steps per ms) remains 24/24 properties
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:20:07] [INFO ] Computed 62 invariants in 2 ms
[2024-05-21 13:20:07] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 8/37 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 73/110 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/110 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 48/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 21 unsolved
Reachability property qltransition_33 is true.
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 1 solved, 20 unsolved
[2024-05-21 13:20:08] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 1 solved, 20 unsolved
[2024-05-21 13:20:08] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 2 ms to minimize.
SDD proceeding with computation,25 properties remain. new max is 4096
[2024-05-21 13:20:08] [INFO ] Deduced a trap composed of 9 places in 24 ms of which 1 ms to minimize.
SDD size :4.52454e+11 after 5.40511e+11
At refinement iteration 13 (OVERLAPS) 0/265 variables, 2/230 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 1 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 230 constraints, problems are : Problem set: 1 solved, 20 unsolved in 1543 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 1 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 7/34 variables, 4/4 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/34 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 75/109 variables, 30/34 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 0/34 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 5 (OVERLAPS) 49/158 variables, 28/62 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 2/64 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 9/234 constraints. Problems are: Problem set: 1 solved, 20 unsolved
[2024-05-21 13:20:09] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/235 constraints. Problems are: Problem set: 1 solved, 20 unsolved
[2024-05-21 13:20:10] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 1 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 1/236 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/236 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 14 (OVERLAPS) 4/265 variables, 4/240 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 11/251 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/265 variables, 1/252 constraints. Problems are: Problem set: 1 solved, 20 unsolved
[2024-05-21 13:20:11] [INFO ] Deduced a trap composed of 6 places in 29 ms of which 1 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/265 variables, 1/253 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/265 variables, 0/253 constraints. Problems are: Problem set: 1 solved, 20 unsolved
[2024-05-21 13:20:12] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 4 ms to minimize.
At refinement iteration 19 (OVERLAPS) 0/265 variables, 1/254 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/265 variables, 0/254 constraints. Problems are: Problem set: 1 solved, 20 unsolved
At refinement iteration 21 (OVERLAPS) 0/265 variables, 0/254 constraints. Problems are: Problem set: 1 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 254 constraints, problems are : Problem set: 1 solved, 20 unsolved in 4349 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 20/21 constraints, Known Traps: 7/7 constraints]
After SMT, in 5928ms problems are : Problem set: 1 solved, 20 unsolved
SDD proceeding with computation,25 properties remain. new max is 8192
SDD size :5.40511e+11 after 6.28604e+11
Parikh walk visited 1 properties in 1170 ms.
Support contains 26 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 162/162 places, 103/103 transitions.
SDD proceeding with computation,25 properties remain. new max is 16384
SDD size :6.28604e+11 after 7.76218e+11
RANDOM walk for 4000000 steps (184163 resets) in 32581 ms. (122 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3818 resets) in 850 ms. (470 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (4488 resets) in 1037 ms. (385 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (4402 resets) in 851 ms. (469 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (4494 resets) in 1214 ms. (329 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (4425 resets) in 876 ms. (456 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3792 resets) in 1031 ms. (387 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3784 resets) in 883 ms. (452 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3752 resets) in 978 ms. (408 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3839 resets) in 1212 ms. (329 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (3780 resets) in 879 ms. (454 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3773 resets) in 1041 ms. (383 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (3763 resets) in 860 ms. (464 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3792 resets) in 950 ms. (420 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3878 resets) in 1189 ms. (336 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3731 resets) in 888 ms. (449 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3907 resets) in 1077 ms. (371 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3835 resets) in 850 ms. (470 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (3822 resets) in 1146 ms. (348 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3761 resets) in 1038 ms. (384 steps per ms) remains 19/19 properties
Reachability property qltransition_120 is true.
SDD proceeding with computation,24 properties remain. new max is 16384
SDD size :7.76218e+11 after 2.15047e+12
SDD proceeding with computation,24 properties remain. new max is 32768
SDD size :2.15047e+12 after 4.17561e+12
Reachability property qltransition_119 is true.
Reachability property qltransition_90 is true.
Interrupted probabilistic random walk after 12459912 steps, run timeout after 51001 ms. (steps per millisecond=244 ) properties seen :0 out of 19
Probabilistic random walk after 12459912 steps, saw 1574610 distinct states, run finished after 51006 ms. (steps per millisecond=244 ) properties seen :0
[2024-05-21 13:21:23] [INFO ] Invariant cache hit.
[2024-05-21 13:21:23] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 7/33 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 75/108 variables, 30/34 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 50/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 19 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 19 unsolved
[2024-05-21 13:21:23] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 9 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 19 unsolved
[2024-05-21 13:21:23] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 19 unsolved
[2024-05-21 13:21:24] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 19 unsolved in 1277 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 7/33 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/33 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 75/108 variables, 30/34 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 50/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 9/234 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/238 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 10/248 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 1/249 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 16 (OVERLAPS) 0/265 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 249 constraints, problems are : Problem set: 0 solved, 19 unsolved in 2067 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 3/3 constraints]
After SMT, in 3363ms problems are : Problem set: 0 solved, 19 unsolved
Reachability property qltransition_19 is true.
Parikh walk visited 0 properties in 1861 ms.
Support contains 26 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 6 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 162/162 places, 103/103 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 6 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
[2024-05-21 13:21:28] [INFO ] Invariant cache hit.
[2024-05-21 13:21:28] [INFO ] Implicit Places using invariants in 105 ms returned []
[2024-05-21 13:21:28] [INFO ] Invariant cache hit.
[2024-05-21 13:21:28] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 13:21:28] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 250 ms to find 0 implicit places.
[2024-05-21 13:21:28] [INFO ] Redundant transitions in 2 ms returned []
Running 102 sub problems to find dead transitions.
[2024-05-21 13:21:28] [INFO ] Invariant cache hit.
[2024-05-21 13:21:28] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SDD proceeding with computation,21 properties remain. new max is 32768
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/265 variables, 162/224 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/265 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-21 13:21:29] [INFO ] Deduced a trap composed of 6 places in 19 ms of which 1 ms to minimize.
[2024-05-21 13:21:29] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 1 ms to minimize.
[2024-05-21 13:21:29] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
[2024-05-21 13:21:30] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 0 ms to minimize.
SDD size :4.17561e+12 after 1.3549e+13
At refinement iteration 7 (INCLUDED_ONLY) 0/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 102 unsolved in 2862 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/66 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-21 13:21:32] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 103/265 variables, 162/229 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/265 variables, 102/334 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-21 13:21:34] [INFO ] Deduced a trap composed of 11 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/265 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-21 13:21:43] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/265 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 336 constraints, problems are : Problem set: 0 solved, 102 unsolved in 23748 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 7/7 constraints]
After SMT, in 26641ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 26643ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26909 ms. Remains : 162/162 places, 103/103 transitions.
RANDOM walk for 400000 steps (18457 resets) in 5233 ms. (76 steps per ms) remains 20/26 properties
Running SMT prover for 20 properties.
[2024-05-21 13:21:56] [INFO ] Invariant cache hit.
[2024-05-21 13:21:57] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2024-05-21 13:21:57] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-21 13:21:57] [INFO ] After 64ms SMT Verify possible using state equation in real domain returned unsat :0 sat :20
[2024-05-21 13:21:57] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 13:21:57] [INFO ] After 31ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :20
TRAPS : Iteration 0
SDD proceeding with computation,21 properties remain. new max is 65536
[2024-05-21 13:21:57] [INFO ] After 396ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :5 real:15
[2024-05-21 13:21:57] [INFO ] After 894ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :5 real:15
[2024-05-21 13:21:57] [INFO ] [Nat]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-21 13:21:57] [INFO ] [Nat]Absence check using 34 positive and 28 generalized place invariants in 9 ms returned sat
[2024-05-21 13:21:58] [INFO ] After 55ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2024-05-21 13:21:58] [INFO ] After 21ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :20
TRAPS : Iteration 0
[2024-05-21 13:21:58] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 1 ms to minimize.
SDD size :1.3549e+13 after 1.46919e+13
[2024-05-21 13:21:58] [INFO ] Deduced a trap composed of 18 places in 60 ms of which 1 ms to minimize.
[2024-05-21 13:21:58] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 0 ms to minimize.
[2024-05-21 13:21:58] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 173 ms
[2024-05-21 13:21:58] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 0 ms to minimize.
[2024-05-21 13:21:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
TRAPS : Iteration 1
[2024-05-21 13:21:58] [INFO ] After 634ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :20
[2024-05-21 13:21:58] [INFO ] After 773ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :20
RANDOM walk for 4000000 steps (183757 resets) in 28861 ms. (138 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3803 resets) in 931 ms. (429 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (4399 resets) in 1333 ms. (299 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (4469 resets) in 917 ms. (435 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (4451 resets) in 1117 ms. (357 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (4455 resets) in 864 ms. (462 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3871 resets) in 999 ms. (400 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3713 resets) in 962 ms. (415 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3805 resets) in 920 ms. (434 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3860 resets) in 1067 ms. (374 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3762 resets) in 862 ms. (463 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3766 resets) in 968 ms. (412 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400002 steps (3815 resets) in 859 ms. (465 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3823 resets) in 1074 ms. (372 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3847 resets) in 896 ms. (445 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3840 resets) in 945 ms. (422 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3818 resets) in 834 ms. (479 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400004 steps (3879 resets) in 1072 ms. (372 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3898 resets) in 851 ms. (469 steps per ms) remains 19/19 properties
BEST_FIRST walk for 400003 steps (3859 resets) in 1065 ms. (375 steps per ms) remains 19/19 properties
Reachability property qltransition_89 is true.
Reachability property qltransition_18 is true.
SDD proceeding with computation,19 properties remain. new max is 65536
SDD size :1.46919e+13 after 3.8197e+13
Interrupted probabilistic random walk after 13678833 steps, run timeout after 54001 ms. (steps per millisecond=253 ) properties seen :0 out of 19
Probabilistic random walk after 13678833 steps, saw 1729577 distinct states, run finished after 54002 ms. (steps per millisecond=253 ) properties seen :0
[2024-05-21 13:23:11] [INFO ] Invariant cache hit.
[2024-05-21 13:23:11] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 7/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 75/107 variables, 30/34 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 51/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 18 unsolved
[2024-05-21 13:23:11] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 18 unsolved
[2024-05-21 13:23:11] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 0 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/265 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 18 unsolved in 1379 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 18 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/25 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (OVERLAPS) 7/32 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 3 (OVERLAPS) 75/107 variables, 30/34 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 5 (OVERLAPS) 51/158 variables, 28/62 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 18 unsolved
[2024-05-21 13:23:12] [INFO ] Deduced a trap composed of 11 places in 24 ms of which 0 ms to minimize.
[2024-05-21 13:23:12] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 0 ms to minimize.
[2024-05-21 13:23:12] [INFO ] Deduced a trap composed of 16 places in 21 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 3/66 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/224 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 8/235 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/239 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 10/249 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/265 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 17 (OVERLAPS) 0/265 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 18 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 250 constraints, problems are : Problem set: 0 solved, 18 unsolved in 2019 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 18/18 constraints, Known Traps: 5/5 constraints]
After SMT, in 3410ms problems are : Problem set: 0 solved, 18 unsolved
Fused 18 Parikh solutions to 17 different solutions.
Parikh walk visited 0 properties in 1075 ms.
Support contains 25 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 162/162 places, 103/103 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 103/103 (removed 0) transitions.
[2024-05-21 13:23:15] [INFO ] Invariant cache hit.
[2024-05-21 13:23:15] [INFO ] Implicit Places using invariants in 84 ms returned []
[2024-05-21 13:23:15] [INFO ] Invariant cache hit.
[2024-05-21 13:23:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 13:23:15] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
[2024-05-21 13:23:15] [INFO ] Redundant transitions in 2 ms returned []
Running 102 sub problems to find dead transitions.
[2024-05-21 13:23:15] [INFO ] Invariant cache hit.
[2024-05-21 13:23:15] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (OVERLAPS) 103/265 variables, 162/224 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/265 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-21 13:23:16] [INFO ] Deduced a trap composed of 6 places in 23 ms of which 1 ms to minimize.
[2024-05-21 13:23:16] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
[2024-05-21 13:23:17] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 1 ms to minimize.
[2024-05-21 13:23:17] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 102 unsolved in 2814 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 4/4 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (OVERLAPS) 1/162 variables, 34/48 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 14/62 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 4/66 constraints. Problems are: Problem set: 0 solved, 102 unsolved
[2024-05-21 13:23:19] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 1/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 103/265 variables, 162/229 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/265 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/265 variables, 102/334 constraints. Problems are: Problem set: 0 solved, 102 unsolved
Reachability property qltransition_118 is true.
[2024-05-21 13:23:21] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/265 variables, 1/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SDD proceeding with computation,18 properties remain. new max is 65536
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 102 unsolved
SDD size :9.65107e+13 after 9.69273e+13
[2024-05-21 13:23:34] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/265 variables, 1/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 336 constraints, problems are : Problem set: 0 solved, 102 unsolved in 27006 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 7/7 constraints]
After SMT, in 29844ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 29845ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30090 ms. Remains : 162/162 places, 103/103 transitions.
RANDOM walk for 400000 steps (18398 resets) in 2692 ms. (148 steps per ms) remains 20/25 properties
Running SMT prover for 20 properties.
[2024-05-21 13:23:46] [INFO ] Invariant cache hit.
[2024-05-21 13:23:46] [INFO ] [Real]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-21 13:23:46] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 7 ms returned sat
[2024-05-21 13:23:46] [INFO ] After 55ms SMT Verify possible using state equation in real domain returned unsat :0 sat :20
[2024-05-21 13:23:46] [INFO ] State equation strengthened by 3 read => feed constraints.
[2024-05-21 13:23:46] [INFO ] After 18ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :20
TRAPS : Iteration 0
[2024-05-21 13:23:46] [INFO ] After 218ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :5 real:15
[2024-05-21 13:23:46] [INFO ] After 338ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :5 real:15
[2024-05-21 13:23:46] [INFO ] [Nat]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-21 13:23:46] [INFO ] [Nat]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-21 13:23:46] [INFO ] After 57ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :20
[2024-05-21 13:23:46] [INFO ] After 23ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :20
TRAPS : Iteration 0
[2024-05-21 13:23:47] [INFO ] Deduced a trap composed of 6 places in 65 ms of which 2 ms to minimize.
[2024-05-21 13:23:47] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 1 ms to minimize.
[2024-05-21 13:23:47] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 1 ms to minimize.
[2024-05-21 13:23:47] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 164 ms
[2024-05-21 13:23:47] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
[2024-05-21 13:23:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
TRAPS : Iteration 1
[2024-05-21 13:23:47] [INFO ] After 604ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :20
[2024-05-21 13:23:47] [INFO ] After 744ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :20
RANDOM walk for 40000 steps (1822 resets) in 341 ms. (116 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (388 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2099799 steps, run timeout after 3001 ms. (steps per millisecond=699 ) properties seen :0 out of 1
Probabilistic random walk after 2099799 steps, saw 273931 distinct states, run finished after 3002 ms. (steps per millisecond=699 ) properties seen :0
[2024-05-21 13:23:50] [INFO ] Invariant cache hit.
[2024-05-21 13:23:50] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:23:50] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 0 ms to minimize.
[2024-05-21 13:23:51] [INFO ] Deduced a trap composed of 17 places in 30 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 295ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 103 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 12 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1945 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (395 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2055062 steps, run timeout after 3001 ms. (steps per millisecond=684 ) properties seen :0 out of 1
Probabilistic random walk after 2055062 steps, saw 267896 distinct states, run finished after 3001 ms. (steps per millisecond=684 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-21 13:23:54] [INFO ] Computed 62 invariants in 7 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/142 variables, 19/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/149 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/261 variables, 10/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 4/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 2/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/142 variables, 19/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/149 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:23:54] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/261 variables, 10/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/261 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/263 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 225 constraints, problems are : Problem set: 0 solved, 1 unsolved in 166 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 285ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 91 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 6 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 5 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-21 13:23:54] [INFO ] Invariant cache hit.
[2024-05-21 13:23:54] [INFO ] Implicit Places using invariants in 95 ms returned []
[2024-05-21 13:23:54] [INFO ] Invariant cache hit.
[2024-05-21 13:23:54] [INFO ] Implicit Places using invariants and state equation in 140 ms returned [12]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 239 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 160/161 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 249 ms. Remains : 160/161 places, 102/102 transitions.
RANDOM walk for 40000 steps (1921 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (407 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2067174 steps, run timeout after 3001 ms. (steps per millisecond=688 ) properties seen :0 out of 1
Probabilistic random walk after 2067174 steps, saw 269629 distinct states, run finished after 3001 ms. (steps per millisecond=688 ) properties seen :0
// Phase 1: matrix 102 rows 160 cols
[2024-05-21 13:23:57] [INFO ] Computed 61 invariants in 8 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 36/141 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/262 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 221 constraints, problems are : Problem set: 0 solved, 1 unsolved in 371 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 36/141 variables, 18/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/245 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/260 variables, 10/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 4/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/262 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 222 constraints, problems are : Problem set: 0 solved, 1 unsolved in 281 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 686ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 103 ms.
Support contains 1 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 15 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 160/160 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-21 13:23:58] [INFO ] Invariant cache hit.
[2024-05-21 13:23:58] [INFO ] Implicit Places using invariants in 161 ms returned []
[2024-05-21 13:23:58] [INFO ] Invariant cache hit.
[2024-05-21 13:23:59] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 321 ms to find 0 implicit places.
[2024-05-21 13:23:59] [INFO ] Redundant transitions in 2 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-21 13:23:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3/160 variables, 10/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/262 variables, 160/221 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:00] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 1 ms to minimize.
[2024-05-21 13:24:00] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-21 13:24:00] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 224 constraints, problems are : Problem set: 0 solved, 99 unsolved in 2834 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/160 variables, 10/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (OVERLAPS) 102/262 variables, 160/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 99/323 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:03] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 1 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:05] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/262 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (OVERLAPS) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 325 constraints, problems are : Problem set: 0 solved, 99 unsolved in 13154 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 5/5 constraints]
After SMT, in 16010ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 16012ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16344 ms. Remains : 160/160 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 7 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-21 13:24:15] [INFO ] Invariant cache hit.
[2024-05-21 13:24:15] [INFO ] [Real]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-21 13:24:15] [INFO ] [Real]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-21 13:24:15] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:24:15] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-21 13:24:15] [INFO ] [Nat]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-21 13:24:15] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:24:15] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-21 13:24:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
TRAPS : Iteration 1
[2024-05-21 13:24:15] [INFO ] After 109ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:24:15] [INFO ] After 166ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 233 ms.
RANDOM walk for 40000 steps (1824 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (360 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2091716 steps, run timeout after 3001 ms. (steps per millisecond=697 ) properties seen :0 out of 1
Probabilistic random walk after 2091716 steps, saw 272795 distinct states, run finished after 3003 ms. (steps per millisecond=696 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:24:18] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:24:18] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 210ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 90 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 16 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1935 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (408 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2046568 steps, run timeout after 3001 ms. (steps per millisecond=681 ) properties seen :0 out of 1
Probabilistic random walk after 2046568 steps, saw 266658 distinct states, run finished after 3001 ms. (steps per millisecond=681 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-21 13:24:21] [INFO ] Computed 62 invariants in 10 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 37/142 variables, 19/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/149 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/261 variables, 10/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 4/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 2/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 69/70 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/70 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/105 variables, 23/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:24:21] [INFO ] Deduced a trap composed of 13 places in 19 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/105 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/105 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 37/142 variables, 19/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/142 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/149 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/246 variables, 149/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/261 variables, 10/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/261 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/263 variables, 2/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/263 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 225 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 286ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 83 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-21 13:24:22] [INFO ] Invariant cache hit.
[2024-05-21 13:24:22] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-21 13:24:22] [INFO ] Invariant cache hit.
[2024-05-21 13:24:22] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
[2024-05-21 13:24:22] [INFO ] Redundant transitions in 2 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-21 13:24:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/158 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/158 variables, 25/59 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (OVERLAPS) 3/161 variables, 3/62 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/263 variables, 161/223 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:23] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 1 ms to minimize.
[2024-05-21 13:24:23] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 1 ms to minimize.
[2024-05-21 13:24:23] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 226 constraints, problems are : Problem set: 0 solved, 99 unsolved in 3116 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/158 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/158 variables, 25/59 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/161 variables, 3/63 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 2/65 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (OVERLAPS) 102/263 variables, 161/226 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/263 variables, 99/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:27] [INFO ] Deduced a trap composed of 6 places in 21 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/263 variables, 1/326 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:30] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 1 ms to minimize.
[2024-05-21 13:24:30] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
[2024-05-21 13:24:30] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 1 ms to minimize.
[2024-05-21 13:24:31] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
[2024-05-21 13:24:31] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:24:31] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/263 variables, 6/332 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/263 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 12 (OVERLAPS) 0/263 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 332 constraints, problems are : Problem set: 0 solved, 99 unsolved in 15213 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 10/10 constraints]
After SMT, in 18370ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 18382ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18640 ms. Remains : 161/161 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 6 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-21 13:24:40] [INFO ] Invariant cache hit.
[2024-05-21 13:24:40] [INFO ] [Real]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-21 13:24:40] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 8 ms returned sat
[2024-05-21 13:24:40] [INFO ] After 42ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:24:40] [INFO ] After 51ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2024-05-21 13:24:40] [INFO ] After 108ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 120 ms.
RANDOM walk for 40000 steps (1832 resets) in 127 ms. (312 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (402 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Reachability property qltransition_117 is true.
Reachability property qltransition_88 is true.
Interrupted probabilistic random walk after 1989863 steps, run timeout after 3001 ms. (steps per millisecond=663 ) properties seen :0 out of 1
Probabilistic random walk after 1989863 steps, saw 259104 distinct states, run finished after 3001 ms. (steps per millisecond=663 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:24:43] [INFO ] Computed 62 invariants in 15 ms
[2024-05-21 13:24:44] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/65 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:24:44] [INFO ] Deduced a trap composed of 18 places in 53 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 370ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 54 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 8 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1936 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (377 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2039054 steps, run timeout after 3001 ms. (steps per millisecond=679 ) properties seen :0 out of 1
Probabilistic random walk after 2039054 steps, saw 265574 distinct states, run finished after 3002 ms. (steps per millisecond=679 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-21 13:24:47] [INFO ] Computed 62 invariants in 16 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:24:47] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 33/140 variables, 23/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/149 variables, 9/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/149 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 97/246 variables, 149/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/246 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 15/261 variables, 10/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/261 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/261 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/263 variables, 2/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 224 constraints, problems are : Problem set: 0 solved, 1 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 42/64 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/107 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 33/140 variables, 23/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:24:47] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/149 variables, 9/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/149 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 97/246 variables, 149/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/246 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 15/261 variables, 10/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/261 variables, 4/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 2/263 variables, 2/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/263 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 226 constraints, problems are : Problem set: 0 solved, 1 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 345ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 4 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-21 13:24:47] [INFO ] Invariant cache hit.
[2024-05-21 13:24:47] [INFO ] Implicit Places using invariants in 107 ms returned []
[2024-05-21 13:24:47] [INFO ] Invariant cache hit.
[2024-05-21 13:24:48] [INFO ] Implicit Places using invariants and state equation in 158 ms returned [12]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 270 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 160/161 places, 102/102 transitions.
Applied a total of 0 rules in 19 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 293 ms. Remains : 160/161 places, 102/102 transitions.
RANDOM walk for 40000 steps (1934 resets) in 118 ms. (336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (382 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2025496 steps, run timeout after 3001 ms. (steps per millisecond=674 ) properties seen :0 out of 1
Probabilistic random walk after 2025496 steps, saw 263411 distinct states, run finished after 3002 ms. (steps per millisecond=674 ) properties seen :0
// Phase 1: matrix 102 rows 160 cols
[2024-05-21 13:24:51] [INFO ] Computed 61 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 59/81 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/260 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 2/262 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 221 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 21/22 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 59/81 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/260 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/260 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 2/262 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 222 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 237ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 51 ms.
Support contains 1 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 3 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 160/160 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 8 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-21 13:24:51] [INFO ] Invariant cache hit.
[2024-05-21 13:24:51] [INFO ] Implicit Places using invariants in 98 ms returned []
[2024-05-21 13:24:51] [INFO ] Invariant cache hit.
[2024-05-21 13:24:51] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
[2024-05-21 13:24:51] [INFO ] Redundant transitions in 2 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-21 13:24:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3/160 variables, 10/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/262 variables, 160/221 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:52] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 0 ms to minimize.
[2024-05-21 13:24:52] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
[2024-05-21 13:24:53] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
Reachability property qltransition_17 is true.
At refinement iteration 8 (OVERLAPS) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 224 constraints, problems are : Problem set: 0 solved, 99 unsolved in 2676 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/160 variables, 10/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (OVERLAPS) 102/262 variables, 160/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 99/323 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:56] [INFO ] Deduced a trap composed of 6 places in 27 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:24:58] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/262 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
SDD proceeding with computation,15 properties remain. new max is 65536
At refinement iteration 10 (INCLUDED_ONLY) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
SDD size :9.69273e+13 after 1.28397e+14
At refinement iteration 11 (OVERLAPS) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 325 constraints, problems are : Problem set: 0 solved, 99 unsolved in 13390 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 5/5 constraints]
After SMT, in 16096ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 16097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16396 ms. Remains : 160/160 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 7 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-21 13:25:07] [INFO ] Invariant cache hit.
[2024-05-21 13:25:07] [INFO ] [Real]Absence check using 34 positive place invariants in 5 ms returned sat
[2024-05-21 13:25:07] [INFO ] [Real]Absence check using 34 positive and 27 generalized place invariants in 20 ms returned sat
[2024-05-21 13:25:07] [INFO ] After 71ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:25:08] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-21 13:25:08] [INFO ] [Nat]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-21 13:25:08] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:25:08] [INFO ] After 56ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:25:08] [INFO ] After 110ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 195 ms.
RANDOM walk for 40000 steps (1843 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (358 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2018200 steps, run timeout after 3001 ms. (steps per millisecond=672 ) properties seen :0 out of 1
Probabilistic random walk after 2018200 steps, saw 262381 distinct states, run finished after 3001 ms. (steps per millisecond=672 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:25:11] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:25:11] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 221ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 85 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 161 transition count 102
Applied a total of 1 rules in 12 ms. Remains 161 /162 variables (removed 1) and now considering 102/103 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 161/162 places, 102/103 transitions.
RANDOM walk for 40000 steps (1906 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (393 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2008275 steps, run timeout after 3001 ms. (steps per millisecond=669 ) properties seen :0 out of 1
Probabilistic random walk after 2008275 steps, saw 261255 distinct states, run finished after 3001 ms. (steps per millisecond=669 ) properties seen :0
// Phase 1: matrix 102 rows 161 cols
[2024-05-21 13:25:14] [INFO ] Computed 62 invariants in 20 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/140 variables, 23/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/149 variables, 9/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/261 variables, 10/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 4/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/263 variables, 2/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/263 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 263/263 variables, and 223 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 63/64 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 43/107 variables, 21/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 33/140 variables, 23/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/149 variables, 9/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/246 variables, 149/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/261 variables, 10/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/261 variables, 4/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/261 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/263 variables, 2/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 263/263 variables, and 224 constraints, problems are : Problem set: 0 solved, 1 unsolved in 132 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 161/161 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 280ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 161 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 13 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 161/161 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 161/161 places, 102/102 transitions.
Applied a total of 0 rules in 2 ms. Remains 161 /161 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-21 13:25:14] [INFO ] Invariant cache hit.
[2024-05-21 13:25:14] [INFO ] Implicit Places using invariants in 104 ms returned []
[2024-05-21 13:25:15] [INFO ] Invariant cache hit.
[2024-05-21 13:25:15] [INFO ] Implicit Places using invariants and state equation in 296 ms returned [12]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 416 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 160/161 places, 102/102 transitions.
Applied a total of 0 rules in 15 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 434 ms. Remains : 160/161 places, 102/102 transitions.
RANDOM walk for 40000 steps (1925 resets) in 161 ms. (246 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (372 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1937930 steps, run timeout after 3001 ms. (steps per millisecond=645 ) properties seen :0 out of 1
Probabilistic random walk after 1937930 steps, saw 252799 distinct states, run finished after 3001 ms. (steps per millisecond=645 ) properties seen :0
// Phase 1: matrix 102 rows 160 cols
[2024-05-21 13:25:18] [INFO ] Computed 61 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 80/81 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 15/260 variables, 10/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/260 variables, 4/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/262 variables, 2/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/262 variables, 0/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 221 constraints, problems are : Problem set: 0 solved, 1 unsolved in 144 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 80/81 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/81 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 35/116 variables, 23/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/141 variables, 17/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/148 variables, 7/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/148 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 97/245 variables, 148/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 1/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/245 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 15/260 variables, 10/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/260 variables, 4/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/260 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/262 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/262 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 222 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 264ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 75 ms.
Support contains 1 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 2 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 160/160 places, 102/102 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 102/102 transitions.
Applied a total of 0 rules in 5 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
[2024-05-21 13:25:18] [INFO ] Invariant cache hit.
[2024-05-21 13:25:18] [INFO ] Implicit Places using invariants in 105 ms returned []
[2024-05-21 13:25:18] [INFO ] Invariant cache hit.
[2024-05-21 13:25:19] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
[2024-05-21 13:25:19] [INFO ] Redundant transitions in 12 ms returned []
Running 99 sub problems to find dead transitions.
[2024-05-21 13:25:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 3/160 variables, 10/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (OVERLAPS) 102/262 variables, 160/221 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:25:20] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 1 ms to minimize.
[2024-05-21 13:25:20] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-21 13:25:20] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/262 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 8 (OVERLAPS) 0/262 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 224 constraints, problems are : Problem set: 0 solved, 99 unsolved in 2639 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 3/3 constraints]
Escalating to Integer solving :Problem set: 0 solved, 99 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/157 variables, 34/34 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/157 variables, 17/51 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/157 variables, 3/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/157 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 4 (OVERLAPS) 3/160 variables, 10/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 6 (OVERLAPS) 102/262 variables, 160/224 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/262 variables, 99/323 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:25:23] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/262 variables, 1/324 constraints. Problems are: Problem set: 0 solved, 99 unsolved
[2024-05-21 13:25:26] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/262 variables, 1/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
At refinement iteration 11 (OVERLAPS) 0/262 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 99 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 325 constraints, problems are : Problem set: 0 solved, 99 unsolved in 13582 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 27/27 constraints, State Equation: 160/160 constraints, PredecessorRefiner: 99/99 constraints, Known Traps: 5/5 constraints]
After SMT, in 16266ms problems are : Problem set: 0 solved, 99 unsolved
Search for dead transitions found 0 dead transitions in 16268ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16548 ms. Remains : 160/160 places, 102/102 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 2 ms. Remains 160 /160 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Running SMT prover for 1 properties.
[2024-05-21 13:25:35] [INFO ] Invariant cache hit.
[2024-05-21 13:25:35] [INFO ] [Real]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-21 13:25:35] [INFO ] [Real]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-21 13:25:35] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:25:35] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2024-05-21 13:25:35] [INFO ] [Nat]Absence check using 34 positive and 27 generalized place invariants in 8 ms returned sat
[2024-05-21 13:25:35] [INFO ] After 55ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:25:35] [INFO ] Deduced a trap composed of 5 places in 25 ms of which 1 ms to minimize.
[2024-05-21 13:25:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
TRAPS : Iteration 1
[2024-05-21 13:25:35] [INFO ] After 124ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:25:35] [INFO ] After 178ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 238 ms.
RANDOM walk for 40000 steps (1818 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (356 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1942167 steps, run timeout after 3001 ms. (steps per millisecond=647 ) properties seen :0 out of 1
Probabilistic random walk after 1942167 steps, saw 253377 distinct states, run finished after 3001 ms. (steps per millisecond=647 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:25:38] [INFO ] Computed 62 invariants in 11 ms
[2024-05-21 13:25:38] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 269ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.2 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 15 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1925 resets) in 131 ms. (303 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (389 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1942633 steps, run timeout after 3001 ms. (steps per millisecond=647 ) properties seen :0 out of 1
Probabilistic random walk after 1942633 steps, saw 253441 distinct states, run finished after 3001 ms. (steps per millisecond=647 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:25:42] [INFO ] Computed 59 invariants in 18 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 376ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 50 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 11 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 5 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:25:42] [INFO ] Invariant cache hit.
[2024-05-21 13:25:42] [INFO ] Implicit Places using invariants in 153 ms returned []
[2024-05-21 13:25:42] [INFO ] Invariant cache hit.
[2024-05-21 13:25:42] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 323 ms to find 0 implicit places.
[2024-05-21 13:25:42] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:25:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:25:43] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 0 ms to minimize.
[2024-05-21 13:25:44] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:25:44] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:25:44] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:25:45] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 1 ms to minimize.
[2024-05-21 13:25:45] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 1 ms to minimize.
Reachability property qltransition_16 is true.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:25:46] [INFO ] Deduced a trap composed of 5 places in 32 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:25:47] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:25:47] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
SDD proceeding with computation,14 properties remain. new max is 65536
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6493 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
SDD size :1.90427e+14 after 1.94413e+14
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:25:57] [INFO ] Deduced a trap composed of 10 places in 20 ms of which 1 ms to minimize.
[2024-05-21 13:25:57] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18230 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24760ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24762ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25095 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 5 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:26:07] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:26:07] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:26:07] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-21 13:26:07] [INFO ] After 65ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:26:07] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 13:26:07] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:26:07] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:26:07] [INFO ] Deduced a trap composed of 5 places in 19 ms of which 1 ms to minimize.
[2024-05-21 13:26:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
TRAPS : Iteration 1
[2024-05-21 13:26:07] [INFO ] After 112ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:26:07] [INFO ] After 168ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 246 ms.
RANDOM walk for 4 steps (0 resets) in 6 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1863 resets) in 248 ms. (160 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (387 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1965132 steps, run timeout after 3001 ms. (steps per millisecond=654 ) properties seen :0 out of 1
Probabilistic random walk after 1965132 steps, saw 256242 distinct states, run finished after 3005 ms. (steps per millisecond=653 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:26:10] [INFO ] Computed 62 invariants in 2 ms
[2024-05-21 13:26:10] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 148 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 284ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 39 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 8 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1918 resets) in 122 ms. (325 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (389 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1979818 steps, run timeout after 3001 ms. (steps per millisecond=659 ) properties seen :0 out of 1
Probabilistic random walk after 1979818 steps, saw 257889 distinct states, run finished after 3001 ms. (steps per millisecond=659 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:26:14] [INFO ] Computed 59 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 126 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 139 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 282ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 32 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:26:14] [INFO ] Invariant cache hit.
[2024-05-21 13:26:14] [INFO ] Implicit Places using invariants in 117 ms returned []
[2024-05-21 13:26:14] [INFO ] Invariant cache hit.
[2024-05-21 13:26:14] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 274 ms to find 0 implicit places.
[2024-05-21 13:26:14] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:26:14] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:15] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 1 ms to minimize.
[2024-05-21 13:26:16] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-21 13:26:16] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:16] [INFO ] Deduced a trap composed of 12 places in 51 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:17] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-21 13:26:17] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:18] [INFO ] Deduced a trap composed of 5 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:19] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:19] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6598 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:30] [INFO ] Deduced a trap composed of 10 places in 19 ms of which 0 ms to minimize.
[2024-05-21 13:26:30] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18073 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24689ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24970 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 11 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:26:39] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:26:39] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 13:26:39] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:26:39] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:26:39] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:26:39] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:26:39] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:26:39] [INFO ] After 49ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:26:39] [INFO ] After 119ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 178 ms.
RANDOM walk for 40000 steps (1827 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (334 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2015641 steps, run timeout after 3001 ms. (steps per millisecond=671 ) properties seen :0 out of 1
Probabilistic random walk after 2015641 steps, saw 262113 distinct states, run finished after 3001 ms. (steps per millisecond=671 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:26:42] [INFO ] Computed 62 invariants in 2 ms
[2024-05-21 13:26:42] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 198 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 366ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1906 resets) in 89 ms. (444 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (385 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2077634 steps, run timeout after 3001 ms. (steps per millisecond=692 ) properties seen :0 out of 1
Probabilistic random walk after 2077634 steps, saw 270930 distinct states, run finished after 3002 ms. (steps per millisecond=692 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:26:46] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 246ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:26:46] [INFO ] Invariant cache hit.
[2024-05-21 13:26:46] [INFO ] Implicit Places using invariants in 144 ms returned []
[2024-05-21 13:26:46] [INFO ] Invariant cache hit.
[2024-05-21 13:26:46] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
[2024-05-21 13:26:46] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:26:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:47] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-21 13:26:48] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 0 ms to minimize.
[2024-05-21 13:26:48] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:48] [INFO ] Deduced a trap composed of 12 places in 48 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:49] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 1 ms to minimize.
[2024-05-21 13:26:49] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:50] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:51] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:26:51] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6296 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:01] [INFO ] Deduced a trap composed of 10 places in 26 ms of which 0 ms to minimize.
[2024-05-21 13:27:01] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
Reachability property qltransition_116 is true.
Reachability property qltransition_87 is true.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18157 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24485ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24486ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24792 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 8 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:27:11] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:27:11] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:27:11] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-21 13:27:11] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:27:11] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 13:27:11] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 9 ms returned sat
[2024-05-21 13:27:11] [INFO ] After 38ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:27:11] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 0 ms to minimize.
[2024-05-21 13:27:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
TRAPS : Iteration 1
[2024-05-21 13:27:11] [INFO ] After 89ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:27:11] [INFO ] After 147ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 209 ms.
RANDOM walk for 40000 steps (1821 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (370 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1977355 steps, run timeout after 3001 ms. (steps per millisecond=658 ) properties seen :0 out of 1
Probabilistic random walk after 1977355 steps, saw 257605 distinct states, run finished after 3001 ms. (steps per millisecond=658 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:27:14] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:27:14] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 64/65 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 69/134 variables, 34/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/134 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 24/158 variables, 23/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 101 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 217ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 33 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 7 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1933 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (403 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1974436 steps, run timeout after 3001 ms. (steps per millisecond=657 ) properties seen :0 out of 1
Probabilistic random walk after 1974436 steps, saw 257273 distinct states, run finished after 3003 ms. (steps per millisecond=657 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:27:17] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 47/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 44/92 variables, 22/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/92 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 34/126 variables, 23/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/126 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/135 variables, 9/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 228ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 8 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:27:18] [INFO ] Invariant cache hit.
[2024-05-21 13:27:18] [INFO ] Implicit Places using invariants in 101 ms returned []
[2024-05-21 13:27:18] [INFO ] Invariant cache hit.
SDD proceeding with computation,12 properties remain. new max is 65536
[2024-05-21 13:27:18] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
[2024-05-21 13:27:18] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:27:18] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:19] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 1 ms to minimize.
[2024-05-21 13:27:19] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-21 13:27:19] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:20] [INFO ] Deduced a trap composed of 12 places in 35 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:21] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 1 ms to minimize.
[2024-05-21 13:27:21] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:22] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 0 ms to minimize.
SDD size :1.94413e+14 after 2.37721e+14
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:22] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:23] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6409 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:33] [INFO ] Deduced a trap composed of 10 places in 21 ms of which 0 ms to minimize.
[2024-05-21 13:27:33] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18727 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 25154ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 25155ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25426 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 4 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:27:43] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:27:43] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:27:43] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:27:43] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:27:43] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:27:43] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-21 13:27:43] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:27:43] [INFO ] After 50ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:27:43] [INFO ] After 104ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 168 ms.
RANDOM walk for 40000 steps (1850 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (398 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1993153 steps, run timeout after 3001 ms. (steps per millisecond=664 ) properties seen :0 out of 1
Probabilistic random walk after 1993153 steps, saw 259493 distinct states, run finished after 3002 ms. (steps per millisecond=663 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:27:46] [INFO ] Computed 62 invariants in 5 ms
[2024-05-21 13:27:46] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:27:46] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:27:47] [INFO ] Deduced a trap composed of 18 places in 45 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:27:47] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-05-21 13:27:47] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 2/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 185 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 407ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 98 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 7 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1937 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (364 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1996540 steps, run timeout after 3001 ms. (steps per millisecond=665 ) properties seen :0 out of 1
Probabilistic random walk after 1996540 steps, saw 259909 distinct states, run finished after 3001 ms. (steps per millisecond=665 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:27:50] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 106 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 229ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 78 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:27:50] [INFO ] Invariant cache hit.
[2024-05-21 13:27:50] [INFO ] Implicit Places using invariants in 103 ms returned []
[2024-05-21 13:27:50] [INFO ] Invariant cache hit.
[2024-05-21 13:27:50] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 239 ms to find 0 implicit places.
[2024-05-21 13:27:51] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:27:51] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:52] [INFO ] Deduced a trap composed of 13 places in 48 ms of which 1 ms to minimize.
[2024-05-21 13:27:52] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 1 ms to minimize.
[2024-05-21 13:27:52] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:52] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:53] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 0 ms to minimize.
[2024-05-21 13:27:53] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:54] [INFO ] Deduced a trap composed of 5 places in 40 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:55] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:27:56] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6531 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Reachability property qltransition_86 is true.
[2024-05-21 13:28:06] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 0 ms to minimize.
[2024-05-21 13:28:06] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Reachability property qltransition_15 is true.
SDD proceeding with computation,10 properties remain. new max is 65536
SDD size :2.37721e+14 after 3.06757e+14
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18835 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 25385ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 25386ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25645 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:28:16] [INFO ] Computed 59 invariants in 3 ms
[2024-05-21 13:28:16] [INFO ] [Real]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 13:28:16] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-21 13:28:16] [INFO ] After 54ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:28:16] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:28:16] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:28:16] [INFO ] After 42ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:28:16] [INFO ] After 54ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:28:16] [INFO ] After 126ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 196 ms.
RANDOM walk for 6810 steps (314 resets) in 21 ms. (309 steps per ms) remains 0/1 properties
RANDOM walk for 1145 steps (56 resets) in 8 ms. (127 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1826 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (361 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1757342 steps, run timeout after 3001 ms. (steps per millisecond=585 ) properties seen :0 out of 1
Probabilistic random walk after 1757342 steps, saw 229964 distinct states, run finished after 3003 ms. (steps per millisecond=585 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:28:19] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:28:19] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:28:19] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 1 ms to minimize.
[2024-05-21 13:28:19] [INFO ] Deduced a trap composed of 14 places in 29 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 306ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 84 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1957 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (382 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1760698 steps, run timeout after 3001 ms. (steps per millisecond=586 ) properties seen :0 out of 1
Probabilistic random walk after 1760698 steps, saw 230412 distinct states, run finished after 3003 ms. (steps per millisecond=586 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:28:23] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:28:23] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 280ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 74 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:28:23] [INFO ] Invariant cache hit.
[2024-05-21 13:28:23] [INFO ] Implicit Places using invariants in 94 ms returned []
[2024-05-21 13:28:23] [INFO ] Invariant cache hit.
[2024-05-21 13:28:23] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2024-05-21 13:28:23] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:28:23] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:24] [INFO ] Deduced a trap composed of 13 places in 47 ms of which 2 ms to minimize.
[2024-05-21 13:28:25] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:28:25] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:25] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:26] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-21 13:28:26] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:27] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:28] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:28] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6401 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:38] [INFO ] Deduced a trap composed of 10 places in 18 ms of which 1 ms to minimize.
[2024-05-21 13:28:38] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18190 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24614ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24615ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24850 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 4 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:28:48] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:28:48] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:28:48] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:28:48] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:28:48] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:28:48] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-21 13:28:48] [INFO ] After 38ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:28:48] [INFO ] After 49ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:28:48] [INFO ] After 109ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 159 ms.
RANDOM walk for 40000 steps (1820 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (378 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2018433 steps, run timeout after 3001 ms. (steps per millisecond=672 ) properties seen :0 out of 1
Probabilistic random walk after 2018433 steps, saw 262399 distinct states, run finished after 3002 ms. (steps per millisecond=672 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:28:51] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:28:51] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:28:51] [INFO ] Deduced a trap composed of 18 places in 46 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:28:51] [INFO ] Deduced a trap composed of 22 places in 48 ms of which 1 ms to minimize.
[2024-05-21 13:28:51] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 1 ms to minimize.
[2024-05-21 13:28:51] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 3/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 232 constraints, problems are : Problem set: 0 solved, 1 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints]
After SMT, in 431ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 80 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1932 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (380 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2043748 steps, run timeout after 3001 ms. (steps per millisecond=681 ) properties seen :0 out of 1
Probabilistic random walk after 2043748 steps, saw 266209 distinct states, run finished after 3002 ms. (steps per millisecond=680 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:28:55] [INFO ] Computed 59 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 235ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 59 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:28:55] [INFO ] Invariant cache hit.
[2024-05-21 13:28:55] [INFO ] Implicit Places using invariants in 240 ms returned []
[2024-05-21 13:28:55] [INFO ] Invariant cache hit.
[2024-05-21 13:28:55] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 396 ms to find 0 implicit places.
[2024-05-21 13:28:55] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:28:55] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:56] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-21 13:28:57] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 1 ms to minimize.
[2024-05-21 13:28:57] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:57] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:58] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-21 13:28:58] [INFO ] Deduced a trap composed of 18 places in 50 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:28:59] [INFO ] Deduced a trap composed of 5 places in 46 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:00] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:00] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6535 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:10] [INFO ] Deduced a trap composed of 10 places in 18 ms of which 0 ms to minimize.
[2024-05-21 13:29:10] [INFO ] Deduced a trap composed of 17 places in 32 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17476 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24044ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24045ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24448 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 4 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:29:19] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:29:19] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:29:19] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-21 13:29:19] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:29:20] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:29:20] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-21 13:29:20] [INFO ] After 89ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:29:20] [INFO ] After 97ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:29:20] [INFO ] After 144ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 214 ms.
RANDOM walk for 40000 steps (1819 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (381 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2108812 steps, run timeout after 3001 ms. (steps per millisecond=702 ) properties seen :0 out of 1
Probabilistic random walk after 2108812 steps, saw 275102 distinct states, run finished after 3001 ms. (steps per millisecond=702 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:29:23] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:29:23] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:29:23] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:29:23] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 0 ms to minimize.
[2024-05-21 13:29:23] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/158 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 103/261 variables, 158/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 3/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 1 unsolved in 184 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 372ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 66 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 13 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1883 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (409 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2094948 steps, run timeout after 3001 ms. (steps per millisecond=698 ) properties seen :0 out of 1
Probabilistic random walk after 2094948 steps, saw 273270 distinct states, run finished after 3001 ms. (steps per millisecond=698 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:29:26] [INFO ] Computed 59 invariants in 0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:29:26] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 270ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 58 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:29:27] [INFO ] Invariant cache hit.
[2024-05-21 13:29:27] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-21 13:29:27] [INFO ] Invariant cache hit.
[2024-05-21 13:29:27] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2024-05-21 13:29:27] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:29:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:28] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:29:28] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-05-21 13:29:28] [INFO ] Deduced a trap composed of 16 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:29] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:30] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-21 13:29:30] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:31] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:31] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:29:32] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6580 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
Detected timeout of ITS tools.
[2024-05-21 13:29:42] [INFO ] Flatten gal took : 34 ms
[2024-05-21 13:29:42] [INFO ] Applying decomposition
[2024-05-21 13:29:42] [INFO ] Flatten gal took : 15 ms
[2024-05-21 13:29:42] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 1 ms to minimize.
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/graph10383170400240071432.txt' '-o' '/tmp/graph10383170400240071432.bin' '-w' '/tmp/graph10383170400240071432.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph10383170400240071432.bin' '-l' '-1' '-v' '-w' '/tmp/graph10383170400240071432.weights' '-q' '0' '-e' '0.001'
[2024-05-21 13:29:42] [INFO ] Decomposing Gal with order
[2024-05-21 13:29:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2024-05-21 13:29:42] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 1 ms to minimize.
[2024-05-21 13:29:42] [INFO ] Removed a total of 108 redundant transitions.
[2024-05-21 13:29:42] [INFO ] Flatten gal took : 61 ms
[2024-05-21 13:29:42] [INFO ] Fuse similar labels procedure discarded/fused a total of 40 labels/synchronizations in 13 ms.
[2024-05-21 13:29:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12332749500828639319.gal : 4 ms
[2024-05-21 13:29:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16269646627589287319.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12332749500828639319.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16269646627589287319.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 ...309
Loading property file /tmp/ReachabilityCardinality16269646627589287319.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :3 after 5
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :5 after 57
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :57 after 10889
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :10889 after 8.93947e+06
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :1.33641e+07 after 9.30015e+11
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :3.41749e+13 after 9.98852e+13
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,8.12601e+14,1.36119,60392,12436,678,164449,3130,412,106012,224,10840,0
Total reachable state count : 812601289449327

Verifying 10 reachability properties.
Reachability property qltransition_0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_0,1728,1.36924,60392,71,104,164449,3130,418,106012,227,10840,48
Reachability property qltransition_14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_14,248832,1.37244,60392,70,121,164449,3130,422,106012,229,10840,48
Reachability property qltransition_82 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_82,5.02854e+06,1.37749,60392,319,284,164449,3130,434,106012,231,10840,79
Reachability property qltransition_83 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_83,2.83778e+08,1.38243,60392,291,288,164449,3130,443,106012,233,10840,79
Reachability property qltransition_84 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_84,1.20685e+08,1.38853,60392,322,293,164449,3130,452,106012,235,10840,79
Reachability property qltransition_85 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_85,7.6458e+06,1.39148,60392,322,296,164449,3130,460,106012,236,10840,79
Reachability property qltransition_112 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_112,1.80936e+13,1.39331,60392,1484,403,164449,3130,464,106012,237,10840,79
Reachability property qltransition_113 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_113,1.82154e+13,1.39506,60392,1500,402,164449,3130,467,106012,238,10840,79
Reachability property qltransition_114 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_114,1.82154e+13,1.39674,60392,1499,382,164449,3130,471,106012,240,10840,79
Reachability property qltransition_115 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_115,1.82149e+13,1.39836,60392,1520,377,164449,3130,474,106012,241,10840,79
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17924 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24528ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24531ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24769 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 4 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:29:51] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:29:51] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:29:51] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:29:51] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:29:51] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:29:51] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:29:51] [INFO ] After 42ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:29:51] [INFO ] After 52ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:29:51] [INFO ] After 104ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 173 ms.
RANDOM walk for 40000 steps (1832 resets) in 90 ms. (439 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (366 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2060166 steps, run timeout after 3001 ms. (steps per millisecond=686 ) properties seen :0 out of 1
Probabilistic random walk after 2060166 steps, saw 268668 distinct states, run finished after 3001 ms. (steps per millisecond=686 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:29:55] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:29:55] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:29:55] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 17 ms to minimize.
[2024-05-21 13:29:55] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 249 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 371ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 64 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1905 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (377 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2028815 steps, run timeout after 3001 ms. (steps per millisecond=676 ) properties seen :0 out of 1
Probabilistic random walk after 2028815 steps, saw 263970 distinct states, run finished after 3001 ms. (steps per millisecond=676 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:29:58] [INFO ] Computed 59 invariants in 5 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:29:58] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:29:58] [INFO ] Deduced a trap composed of 5 places in 27 ms of which 1 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/258 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/258 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 219 constraints, problems are : Problem set: 0 solved, 1 unsolved in 194 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 315ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 54 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:29:58] [INFO ] Invariant cache hit.
[2024-05-21 13:29:58] [INFO ] Implicit Places using invariants in 99 ms returned []
[2024-05-21 13:29:58] [INFO ] Invariant cache hit.
[2024-05-21 13:29:59] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2024-05-21 13:29:59] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:29:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:00] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 1 ms to minimize.
[2024-05-21 13:30:00] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 0 ms to minimize.
[2024-05-21 13:30:00] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:00] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:01] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-21 13:30:01] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:02] [INFO ] Deduced a trap composed of 5 places in 40 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:03] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:04] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6422 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:13] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 1 ms to minimize.
[2024-05-21 13:30:13] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17982 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24421ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24422ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24665 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:30:23] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:30:23] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:30:23] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-21 13:30:23] [INFO ] After 46ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:30:23] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:30:23] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:30:23] [INFO ] After 35ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:30:23] [INFO ] After 43ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:30:23] [INFO ] After 90ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 147 ms.
RANDOM walk for 40000 steps (1814 resets) in 99 ms. (400 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (384 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2129626 steps, run timeout after 3001 ms. (steps per millisecond=709 ) properties seen :0 out of 1
Probabilistic random walk after 2129626 steps, saw 277904 distinct states, run finished after 3001 ms. (steps per millisecond=709 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:30:26] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:30:26] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:30:26] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-21 13:30:26] [INFO ] Deduced a trap composed of 15 places in 23 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:30:27] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/261 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 4/265 variables, 4/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 231 constraints, problems are : Problem set: 0 solved, 1 unsolved in 218 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints]
After SMT, in 330ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 5 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1951 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (373 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2126040 steps, run timeout after 3001 ms. (steps per millisecond=708 ) properties seen :0 out of 1
Probabilistic random walk after 2126040 steps, saw 277408 distinct states, run finished after 3001 ms. (steps per millisecond=708 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:30:30] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:30:30] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 156 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 271ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:30:30] [INFO ] Invariant cache hit.
[2024-05-21 13:30:30] [INFO ] Implicit Places using invariants in 88 ms returned []
[2024-05-21 13:30:30] [INFO ] Invariant cache hit.
[2024-05-21 13:30:30] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 244 ms to find 0 implicit places.
[2024-05-21 13:30:30] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:30:30] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:31] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 0 ms to minimize.
[2024-05-21 13:30:32] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 1 ms to minimize.
[2024-05-21 13:30:32] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:32] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:33] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 1 ms to minimize.
[2024-05-21 13:30:33] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:34] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:35] [INFO ] Deduced a trap composed of 20 places in 35 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:35] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6407 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:30:45] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 1 ms to minimize.
[2024-05-21 13:30:45] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17625 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24048ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24049ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24300 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 6 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:30:54] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:30:54] [INFO ] [Real]Absence check using 35 positive place invariants in 7 ms returned sat
[2024-05-21 13:30:54] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 10 ms returned sat
[2024-05-21 13:30:54] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:30:54] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 13:30:54] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:30:54] [INFO ] After 62ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:30:54] [INFO ] After 71ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:30:54] [INFO ] After 125ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 194 ms.
RANDOM walk for 40000 steps (1851 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (396 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2075816 steps, run timeout after 3001 ms. (steps per millisecond=691 ) properties seen :0 out of 1
Probabilistic random walk after 2075816 steps, saw 270718 distinct states, run finished after 3001 ms. (steps per millisecond=691 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:30:58] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:30:58] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:30:58] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 1 ms to minimize.
[2024-05-21 13:30:58] [INFO ] Deduced a trap composed of 15 places in 22 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/222 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 289ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1925 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (392 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2081936 steps, run timeout after 3001 ms. (steps per millisecond=693 ) properties seen :0 out of 1
Probabilistic random walk after 2081936 steps, saw 271507 distinct states, run finished after 3001 ms. (steps per millisecond=693 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:31:01] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:31:01] [INFO ] Deduced a trap composed of 13 places in 23 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 144 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 255ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:31:01] [INFO ] Invariant cache hit.
[2024-05-21 13:31:01] [INFO ] Implicit Places using invariants in 95 ms returned []
[2024-05-21 13:31:01] [INFO ] Invariant cache hit.
[2024-05-21 13:31:01] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 243 ms to find 0 implicit places.
[2024-05-21 13:31:01] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:31:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:02] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:31:03] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 1 ms to minimize.
[2024-05-21 13:31:03] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:03] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:04] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 0 ms to minimize.
[2024-05-21 13:31:04] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:05] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:06] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:06] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6540 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:16] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 1 ms to minimize.
[2024-05-21 13:31:16] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17780 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24342ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24343ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24594 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 4 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:31:26] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:31:26] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:31:26] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:31:26] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:31:26] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:31:26] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:31:26] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:31:26] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:31:26] [INFO ] After 96ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 148 ms.
RANDOM walk for 40000 steps (1871 resets) in 98 ms. (404 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (371 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2108917 steps, run timeout after 3001 ms. (steps per millisecond=702 ) properties seen :0 out of 1
Probabilistic random walk after 2108917 steps, saw 275127 distinct states, run finished after 3001 ms. (steps per millisecond=702 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:31:29] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:31:29] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 119 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 243ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 82 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1930 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (407 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2041468 steps, run timeout after 3001 ms. (steps per millisecond=680 ) properties seen :0 out of 1
Probabilistic random walk after 2041468 steps, saw 265904 distinct states, run finished after 3003 ms. (steps per millisecond=679 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:31:32] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 230ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 70 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:31:33] [INFO ] Invariant cache hit.
[2024-05-21 13:31:33] [INFO ] Implicit Places using invariants in 92 ms returned []
[2024-05-21 13:31:33] [INFO ] Invariant cache hit.
[2024-05-21 13:31:33] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 223 ms to find 0 implicit places.
[2024-05-21 13:31:33] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:31:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:34] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:31:34] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 1 ms to minimize.
[2024-05-21 13:31:34] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:35] [INFO ] Deduced a trap composed of 12 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:36] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 0 ms to minimize.
[2024-05-21 13:31:36] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:37] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:37] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:38] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6493 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:31:48] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 0 ms to minimize.
[2024-05-21 13:31:48] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17632 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24145ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24147ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24380 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 8 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:31:57] [INFO ] Computed 59 invariants in 3 ms
[2024-05-21 13:31:57] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:31:57] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 7 ms returned sat
[2024-05-21 13:31:57] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:31:57] [INFO ] [Nat]Absence check using 35 positive place invariants in 5 ms returned sat
[2024-05-21 13:31:57] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:31:57] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:31:57] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 1 ms to minimize.
[2024-05-21 13:31:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 40 ms
TRAPS : Iteration 1
[2024-05-21 13:31:57] [INFO ] After 98ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:31:57] [INFO ] After 156ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 229 ms.
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
RANDOM walk for 40000 steps (1843 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (402 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2143091 steps, run timeout after 3001 ms. (steps per millisecond=714 ) properties seen :0 out of 1
Probabilistic random walk after 2143091 steps, saw 279685 distinct states, run finished after 3001 ms. (steps per millisecond=714 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:32:00] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:32:00] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 4/265 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/265 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 212ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 76 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1927 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (405 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2121490 steps, run timeout after 3001 ms. (steps per millisecond=706 ) properties seen :0 out of 1
Probabilistic random walk after 2121490 steps, saw 276698 distinct states, run finished after 3001 ms. (steps per millisecond=706 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:32:04] [INFO ] Computed 59 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:32:04] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 278ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 59 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:32:04] [INFO ] Invariant cache hit.
[2024-05-21 13:32:04] [INFO ] Implicit Places using invariants in 88 ms returned []
[2024-05-21 13:32:04] [INFO ] Invariant cache hit.
[2024-05-21 13:32:04] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
[2024-05-21 13:32:04] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:32:04] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:05] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 1 ms to minimize.
[2024-05-21 13:32:06] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 1 ms to minimize.
[2024-05-21 13:32:06] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:06] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:07] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:32:07] [INFO ] Deduced a trap composed of 18 places in 43 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:08] [INFO ] Deduced a trap composed of 5 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:09] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:09] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6342 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:19] [INFO ] Deduced a trap composed of 10 places in 25 ms of which 0 ms to minimize.
[2024-05-21 13:32:19] [INFO ] Deduced a trap composed of 17 places in 41 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17629 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23987ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23988ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24217 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 5 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:32:28] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:32:28] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:32:28] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:32:28] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:32:28] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:32:28] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:32:28] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:32:28] [INFO ] After 48ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:32:28] [INFO ] After 100ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 153 ms.
RANDOM walk for 40000 steps (1818 resets) in 110 ms. (360 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (381 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2056809 steps, run timeout after 3001 ms. (steps per millisecond=685 ) properties seen :0 out of 1
Probabilistic random walk after 2056809 steps, saw 268164 distinct states, run finished after 3002 ms. (steps per millisecond=685 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:32:31] [INFO ] Computed 62 invariants in 4 ms
[2024-05-21 13:32:31] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:32:32] [INFO ] Deduced a trap composed of 14 places in 24 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 277ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 66 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 8 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1947 resets) in 108 ms. (366 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (383 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2138486 steps, run timeout after 3001 ms. (steps per millisecond=712 ) properties seen :0 out of 1
Probabilistic random walk after 2138486 steps, saw 279121 distinct states, run finished after 3001 ms. (steps per millisecond=712 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:32:35] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 233ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 54 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:32:35] [INFO ] Invariant cache hit.
[2024-05-21 13:32:35] [INFO ] Implicit Places using invariants in 89 ms returned []
[2024-05-21 13:32:35] [INFO ] Invariant cache hit.
[2024-05-21 13:32:35] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2024-05-21 13:32:35] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:32:35] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:36] [INFO ] Deduced a trap composed of 13 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:32:37] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 1 ms to minimize.
[2024-05-21 13:32:37] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:37] [INFO ] Deduced a trap composed of 12 places in 47 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:38] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 1 ms to minimize.
[2024-05-21 13:32:38] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:39] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:40] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:40] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6374 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:32:50] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 1 ms to minimize.
[2024-05-21 13:32:50] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17606 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23997ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24000ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24232 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 5 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:32:59] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:32:59] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:32:59] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 16 ms returned sat
[2024-05-21 13:32:59] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:32:59] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:32:59] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:33:00] [INFO ] After 41ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:33:00] [INFO ] After 50ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:33:00] [INFO ] After 100ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 171 ms.
RANDOM walk for 40000 steps (1809 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (372 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2057358 steps, run timeout after 3001 ms. (steps per millisecond=685 ) properties seen :0 out of 1
Probabilistic random walk after 2057358 steps, saw 268249 distinct states, run finished after 3001 ms. (steps per millisecond=685 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:33:03] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:33:03] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:33:03] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 0 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 143 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 245ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1882 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (376 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2056473 steps, run timeout after 3001 ms. (steps per millisecond=685 ) properties seen :0 out of 1
Probabilistic random walk after 2056473 steps, saw 268119 distinct states, run finished after 3001 ms. (steps per millisecond=685 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:33:06] [INFO ] Computed 59 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:33:06] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 25/128 variables, 17/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/128 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/135 variables, 7/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/135 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 86/221 variables, 135/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 1/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/235 variables, 8/200 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 3/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/235 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 14/249 variables, 5/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 9/258 variables, 9/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 144 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 256ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:33:06] [INFO ] Invariant cache hit.
[2024-05-21 13:33:06] [INFO ] Implicit Places using invariants in 96 ms returned []
[2024-05-21 13:33:06] [INFO ] Invariant cache hit.
[2024-05-21 13:33:06] [INFO ] Implicit Places using invariants and state equation in 134 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2024-05-21 13:33:06] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:33:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:08] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 1 ms to minimize.
[2024-05-21 13:33:08] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 0 ms to minimize.
[2024-05-21 13:33:08] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:08] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 0 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:09] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-21 13:33:09] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:10] [INFO ] Deduced a trap composed of 5 places in 38 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:11] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:11] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6485 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:21] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 0 ms to minimize.
[2024-05-21 13:33:21] [INFO ] Deduced a trap composed of 17 places in 37 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18106 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24607ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24609ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24847 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 7 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:33:31] [INFO ] Computed 59 invariants in 1 ms
[2024-05-21 13:33:31] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:33:31] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:33:31] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:33:31] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:33:31] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:33:31] [INFO ] After 40ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:33:31] [INFO ] After 49ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:33:31] [INFO ] After 97ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 157 ms.
RANDOM walk for 40000 steps (1816 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (394 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2060740 steps, run timeout after 3001 ms. (steps per millisecond=686 ) properties seen :0 out of 1
Probabilistic random walk after 2060740 steps, saw 268728 distinct states, run finished after 3001 ms. (steps per millisecond=686 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:33:34] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:33:34] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:33:34] [INFO ] Deduced a trap composed of 11 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/265 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 229 constraints, problems are : Problem set: 0 solved, 1 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 246ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 6 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1959 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (374 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2072292 steps, run timeout after 3001 ms. (steps per millisecond=690 ) properties seen :0 out of 1
Probabilistic random walk after 2072292 steps, saw 270299 distinct states, run finished after 3001 ms. (steps per millisecond=690 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:33:38] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:33:38] [INFO ] Deduced a trap composed of 6 places in 24 ms of which 0 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/258 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 218 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 263ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 37 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:33:38] [INFO ] Invariant cache hit.
[2024-05-21 13:33:38] [INFO ] Implicit Places using invariants in 91 ms returned []
[2024-05-21 13:33:38] [INFO ] Invariant cache hit.
[2024-05-21 13:33:38] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-21 13:33:38] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:33:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:39] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-21 13:33:39] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 1 ms to minimize.
[2024-05-21 13:33:39] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:40] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:41] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-21 13:33:41] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:42] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:42] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:43] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 1 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6398 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:33:53] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 0 ms to minimize.
[2024-05-21 13:33:53] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 18180 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 24594ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 24595ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24824 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 3 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:34:03] [INFO ] Computed 59 invariants in 2 ms
[2024-05-21 13:34:03] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:34:03] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:34:03] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:34:03] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:34:03] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:34:03] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:34:03] [INFO ] After 47ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:34:03] [INFO ] After 91ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 142 ms.
RANDOM walk for 40000 steps (1780 resets) in 111 ms. (357 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (376 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2104064 steps, run timeout after 3001 ms. (steps per millisecond=701 ) properties seen :0 out of 1
Probabilistic random walk after 2104064 steps, saw 274533 distinct states, run finished after 3001 ms. (steps per millisecond=701 ) properties seen :0
// Phase 1: matrix 103 rows 162 cols
[2024-05-21 13:34:06] [INFO ] Computed 62 invariants in 3 ms
[2024-05-21 13:34:06] [INFO ] State equation strengthened by 3 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 30/158 variables, 19/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/158 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 103/261 variables, 158/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/261 variables, 3/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 4/265 variables, 4/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/265 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 265/265 variables, and 227 constraints, problems are : Problem set: 0 solved, 1 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 70/71 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 57/128 variables, 34/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:34:06] [INFO ] Deduced a trap composed of 14 places in 25 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/128 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/128 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 30/158 variables, 19/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/158 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 103/261 variables, 158/221 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/261 variables, 3/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/261 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/261 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 4/265 variables, 4/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-21 13:34:06] [INFO ] Deduced a trap composed of 7 places in 26 ms of which 0 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/265 variables, 1/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/265 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 265/265 variables, and 230 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 34/34 constraints, Generalized P Invariants (flows): 28/28 constraints, State Equation: 162/162 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints]
After SMT, in 304ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 103/103 transitions.
Graph (complete) has 546 edges and 162 vertex of which 158 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.0 ms
Discarding 4 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 158 transition count 102
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 157 transition count 101
Applied a total of 3 rules in 4 ms. Remains 157 /162 variables (removed 5) and now considering 101/103 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 157/162 places, 101/103 transitions.
RANDOM walk for 40000 steps (1941 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (374 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2124008 steps, run timeout after 3001 ms. (steps per millisecond=707 ) properties seen :0 out of 1
Probabilistic random walk after 2124008 steps, saw 277097 distinct states, run finished after 3001 ms. (steps per millisecond=707 ) properties seen :0
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:34:09] [INFO ] Computed 59 invariants in 2 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 14/235 variables, 8/198 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/235 variables, 3/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/249 variables, 5/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/249 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/258 variables, 9/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/258 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/66 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 37/103 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 25/128 variables, 17/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/128 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/135 variables, 7/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/135 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 86/221 variables, 135/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/221 variables, 1/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 0/191 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 14/235 variables, 8/199 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/235 variables, 3/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/235 variables, 0/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/249 variables, 5/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/249 variables, 1/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/249 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 9/258 variables, 9/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/258 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 217 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 224ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 157 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 1 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 157/157 places, 101/101 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 157/157 places, 101/101 transitions.
Applied a total of 0 rules in 2 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
[2024-05-21 13:34:10] [INFO ] Invariant cache hit.
[2024-05-21 13:34:10] [INFO ] Implicit Places using invariants in 96 ms returned []
[2024-05-21 13:34:10] [INFO ] Invariant cache hit.
[2024-05-21 13:34:10] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 234 ms to find 0 implicit places.
[2024-05-21 13:34:10] [INFO ] Redundant transitions in 0 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-21 13:34:10] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 2/156 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (OVERLAPS) 101/257 variables, 156/215 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:34:11] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 1 ms to minimize.
[2024-05-21 13:34:11] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 0 ms to minimize.
[2024-05-21 13:34:11] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 3/218 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:34:12] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/257 variables, 1/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 0/219 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (OVERLAPS) 1/258 variables, 1/220 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:34:13] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-21 13:34:13] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/258 variables, 2/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:34:14] [INFO ] Deduced a trap composed of 5 places in 36 ms of which 1 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 1/223 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:34:14] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 1 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:34:15] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 0 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/258 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 16 (OVERLAPS) 0/258 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 258/258 variables, and 225 constraints, problems are : Problem set: 0 solved, 98 unsolved in 6351 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 9/9 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/154 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/154 variables, 17/52 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/154 variables, 7/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/154 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 2/156 variables, 7/66 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 2/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 101/257 variables, 156/224 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/257 variables, 98/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/257 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 10 (OVERLAPS) 1/258 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/258 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 98 unsolved
[2024-05-21 13:34:24] [INFO ] Deduced a trap composed of 10 places in 24 ms of which 1 ms to minimize.
[2024-05-21 13:34:25] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/258 variables, 2/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 14 (OVERLAPS) 0/258 variables, 0/325 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 258/258 variables, and 325 constraints, problems are : Problem set: 0 solved, 98 unsolved in 17630 ms.
Refiners :[Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 157/157 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 11/11 constraints]
After SMT, in 23998ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 23999ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24239 ms. Remains : 157/157 places, 101/101 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 157 transition count 101
Applied a total of 1 rules in 6 ms. Remains 157 /157 variables (removed 0) and now considering 101/101 (removed 0) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 101 rows 157 cols
[2024-05-21 13:34:34] [INFO ] Computed 59 invariants in 3 ms
[2024-05-21 13:34:34] [INFO ] [Real]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:34:34] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 6 ms returned sat
[2024-05-21 13:34:34] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-21 13:34:34] [INFO ] [Nat]Absence check using 35 positive place invariants in 4 ms returned sat
[2024-05-21 13:34:34] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 5 ms returned sat
[2024-05-21 13:34:34] [INFO ] After 39ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-21 13:34:34] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-21 13:34:34] [INFO ] After 100ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 150 ms.
Able to resolve query QuasiLiveness after proving 119 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE USE_NUPN
Total runtime 894198 ms.

BK_STOP 1716298474546

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="DES-PT-10b"
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 DES-PT-10b, 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 r101-tall-171624201900422"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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