About the Execution of ITS-Tools for Parking-PT-864
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 394846.00 | 0.00 | 0.00 | T | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819600277.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is Parking-PT-864, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819600277
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 872K
-rw-r--r-- 1 mcc users 5.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 53K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 4 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 427K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
FORMULA_NAME QuasiLiveness
=== Now, execution of the tool begins
BK_START 1748810044731
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Parking-PT-864
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2025-06-01 20:34:05] [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]
[2025-06-01 20:34:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 20:34:06] [INFO ] Load time of PNML (sax parser for PT used): 151 ms
[2025-06-01 20:34:06] [INFO ] Transformed 1185 places.
[2025-06-01 20:34:06] [INFO ] Transformed 1697 transitions.
[2025-06-01 20:34:06] [INFO ] Found NUPN structural information;
[2025-06-01 20:34:06] [INFO ] Parsed PT model containing 1185 places and 1697 transitions and 5073 arcs in 262 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1185/1185 places, 1697/1697 transitions.
Ensure Unique test removed 688 transitions
Reduce isomorphic transitions removed 688 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 720 rules applied. Total rules applied 720 place count 1185 transition count 977
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 752 place count 1153 transition count 977
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 32 Pre rules applied. Total rules applied 752 place count 1153 transition count 945
Deduced a syphon composed of 32 places in 4 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 2 with 64 rules applied. Total rules applied 816 place count 1121 transition count 945
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 3 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 912 place count 1073 transition count 897
Applied a total of 912 rules in 148 ms. Remains 1073 /1185 variables (removed 112) and now considering 897/1697 (removed 800) transitions.
// Phase 1: matrix 897 rows 1073 cols
[2025-06-01 20:34:06] [INFO ] Computed 280 invariants in 35 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:08] [INFO ] Implicit Places using invariants in 1686 ms returned [151, 158, 164, 170, 177, 184, 190, 196, 228, 230, 271, 278, 284, 290, 297, 304, 310, 316, 348, 350, 391, 398, 404, 410, 417, 424, 430, 436, 468, 470, 511, 518, 524, 530, 537, 544, 550, 556, 588, 590, 631, 638, 644, 650, 657, 664, 670, 676, 708, 710, 751, 758, 764, 770, 777, 784, 790, 796, 828, 830, 871, 878, 884, 890, 897, 904, 910, 916, 948, 950, 991, 998, 1004, 1010, 1017, 1024, 1030, 1036, 1068, 1070]
Discarding 80 places :
Implicit Place search using SMT only with invariants took 1723 ms to find 80 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 993/1185 places, 897/1697 transitions.
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 2 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 0 with 144 rules applied. Total rules applied 144 place count 921 transition count 825
Applied a total of 144 rules in 31 ms. Remains 921 /993 variables (removed 72) and now considering 825/897 (removed 72) transitions.
// Phase 1: matrix 825 rows 921 cols
[2025-06-01 20:34:08] [INFO ] Computed 200 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:08] [INFO ] Implicit Places using invariants in 794 ms returned []
[2025-06-01 20:34:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:09] [INFO ] State equation strengthened by 344 read => feed constraints.
[2025-06-01 20:34:22] [INFO ] Implicit Places using invariants and state equation in 13215 ms returned []
Implicit Place search using SMT with State Equation took 14016 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 921/1185 places, 825/1697 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 15934 ms. Remains : 921/1185 places, 825/1697 transitions.
Discarding 288 transitions out of 825. Remains 537
Initial state reduction rules removed 1 formulas.
[2025-06-01 20:34:23] [INFO ] Flatten gal took : 337 ms
RANDOM walk for 40000 steps (157 resets) in 4410 ms. (9 steps per ms) remains 179/536 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 9 ms. (40 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
[2025-06-01 20:34:23] [INFO ] Flatten gal took : 74 ms
BEST_FIRST walk for 404 steps (0 resets) in 25 ms. (15 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 5 ms. (67 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 21 ms. (18 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 25 ms. (15 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
[2025-06-01 20:34:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3414878574377729802.gal : 59 ms
BEST_FIRST walk for 404 steps (0 resets) in 23 ms. (16 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 27 ms. (14 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 6 ms. (57 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 7 ms. (50 steps per ms) remains 179/179 properties
BEST_FIRST walk for 404 steps (0 resets) in 8 ms. (44 steps per ms) remains 179/179 properties
[2025-06-01 20:34:23] [INFO ] Invariant cache hit.
[2025-06-01 20:34:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14034108704189373895.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3414878574377729802.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14034108704189373895.prop' '--nowitness' '--gen-order' 'FOLLOW'
[2025-06-01 20:34:23] [INFO ] State equation strengthened by 344 read => feed constraints.
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Loading property file /tmp/ReachabilityCardinality14034108704189373895.prop.
SDD proceeding with computation,179 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,179 properties remain. new max is 8
SDD size :3 after 321
Reachability property qltransition_754 is true.
Reachability property qltransition_625 is true.
SDD proceeding with computation,177 properties remain. new max is 8
SDD size :321 after 769
SDD proceeding with computation,177 properties remain. new max is 16
SDD size :769 after 2049
SDD proceeding with computation,177 properties remain. new max is 32
SDD size :2049 after 9731
Reachability property qltransition_755 is true.
SDD proceeding with computation,176 properties remain. new max is 32
SDD size :9731 after 9985
At refinement iteration 0 (INCLUDED_ONLY) 0/351 variables, 351/351 constraints. Problems are: Problem set: 0 solved, 179 unsolved
Reachability property qltransition_756 is true.
At refinement iteration 1 (INCLUDED_ONLY) 0/351 variables, 0/351 constraints. Problems are: Problem set: 4 solved, 175 unsolved
SDD proceeding with computation,175 properties remain. new max is 32
SDD size :9985 after 46081
At refinement iteration 2 (OVERLAPS) 530/881 variables, 180/531 constraints. Problems are: Problem set: 4 solved, 175 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/881 variables, 530/1061 constraints. Problems are: Problem set: 4 solved, 175 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 881/1746 variables, and 1061 constraints, problems are : Problem set: 4 solved, 175 unsolved in 5037 ms.
Refiners :[Domain max(s): 881/921 constraints, Positive P Invariants (semi-flows): 180/200 constraints, State Equation: 0/921 constraints, ReadFeed: 0/344 constraints, PredecessorRefiner: 179/179 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 175 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/344 variables, 344/344 constraints. Problems are: Problem set: 4 solved, 175 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/344 variables, 0/344 constraints. Problems are: Problem set: 4 solved, 175 unsolved
At refinement iteration 2 (OVERLAPS) 531/875 variables, 177/521 constraints. Problems are: Problem set: 4 solved, 175 unsolved
Reachability property qltransition_757 is true.
At refinement iteration 3 (INCLUDED_ONLY) 0/875 variables, 531/1052 constraints. Problems are: Problem set: 5 solved, 174 unsolved
SDD proceeding with computation,174 properties remain. new max is 32
SDD size :46081 after 106497
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 875/1746 variables, and 1052 constraints, problems are : Problem set: 5 solved, 174 unsolved in 5016 ms.
Refiners :[Domain max(s): 875/921 constraints, Positive P Invariants (semi-flows): 177/200 constraints, State Equation: 0/921 constraints, ReadFeed: 0/344 constraints, PredecessorRefiner: 0/179 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10278ms problems are : Problem set: 5 solved, 174 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 342 out of 921 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 921/921 places, 825/825 transitions.
Free-agglomeration rule applied 96 times.
Iterating global reduction 0 with 96 rules applied. Total rules applied 96 place count 921 transition count 729
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 0 with 96 rules applied. Total rules applied 192 place count 825 transition count 729
Applied a total of 192 rules in 147 ms. Remains 825 /921 variables (removed 96) and now considering 729/825 (removed 96) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 825/921 places, 729/825 transitions.
Reachability property qltransition_760 is true.
SDD proceeding with computation,173 properties remain. new max is 32
SDD size :106497 after 238595
SDD proceeding with computation,173 properties remain. new max is 64
SDD size :238595 after 239617
SDD proceeding with computation,173 properties remain. new max is 128
SDD size :239617 after 241665
RANDOM walk for 4000000 steps (15197 resets) in 101900 ms. (39 steps per ms) remains 120/174 properties
BEST_FIRST walk for 40004 steps (8 resets) in 240 ms. (165 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 285 ms. (139 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 286 ms. (139 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 237 ms. (168 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 249 ms. (160 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 256 ms. (155 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40003 steps (8 resets) in 177 ms. (224 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 164 ms. (242 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 178 ms. (223 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 184 ms. (216 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 174 ms. (228 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40003 steps (8 resets) in 189 ms. (210 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 220 ms. (181 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 179 ms. (222 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 176 ms. (226 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40003 steps (8 resets) in 167 ms. (238 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 160 ms. (248 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 180 ms. (221 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40003 steps (8 resets) in 188 ms. (211 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 185 ms. (215 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 154 ms. (258 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40003 steps (8 resets) in 168 ms. (236 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40003 steps (8 resets) in 162 ms. (245 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 190 ms. (209 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 182 ms. (218 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 188 ms. (211 steps per ms) remains 120/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 120/120 properties
// Phase 1: matrix 729 rows 825 cols
[2025-06-01 20:35:03] [INFO ] Computed 200 invariants in 5 ms
[2025-06-01 20:35:03] [INFO ] State equation strengthened by 380 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 465/705 variables, 128/368 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/705 variables, 465/833 constraints. Problems are: Problem set: 0 solved, 120 unsolved
SDD proceeding with computation,173 properties remain. new max is 256
SDD size :241665 after 540673
At refinement iteration 4 (INCLUDED_ONLY) 0/705 variables, 0/833 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 120/825 variables, 72/905 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/825 variables, 120/1025 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/825 variables, 0/1025 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 729/1554 variables, 825/1850 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1554 variables, 380/2230 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1554 variables, 0/2230 constraints. Problems are: Problem set: 0 solved, 120 unsolved
SDD proceeding with computation,173 properties remain. new max is 512
SDD size :540673 after 1.19603e+06
Error getting values : (error "ParserException while parsing response: ((t0 1.0)
(t1 0.0)
(t2 2.0)
(t3 0.0)
(t4 3.0)
(t5 0.0)
(t6 0.0)
(t7 3.0)
(t8 0.0)
(t9 0.0)
(t10 2.0)
(t11 0.0)
(t12 0.0)
(t13 2.0)
(t14 0.0)
(t15 3.0)
(t16 0.0)
(t17 2.0)
(t18 0.0)
(t19 2.0)
(t20 0.0)
(t21 0.0)
(t22 3.0)
(t23 0.0)
(t24 0.0)
(t25 0.0)
(t26 0.0)
(t27 0.0)
(t28 2.0)
(t29 0.0)
(t30 2.0)
(t31 0.0)
(t32 3.0)
(t33 0.0)
(t34 2.0)
(t35 0.0)
(t36 2.0)
(t37 0.0)
(t38 2.0)
(t39 0.0)
(t40 0.0)
(t41 2.0)
(t42 0.0)
(t43 0.0)
(t44 3.0)
(t45 0.0)
(t46 3.0)
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(t269 1.0)
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(t272 1.0)
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(t330 1.0)
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(t355 0.0)
(t356 1.0)
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(t359 1.0)
(t360 1.0)
(t361 1.0)
(t362 1.0)
(t363 1.0)
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(t368 2.0)
(t369 2.0)
(t370 0.0)
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(t374 1.0)
(t375 1.0)
(t376 1.0)
(t377 1.0)
(t378 1.0)
(t379 1.0)
(t380 1.0)
(t381 1.0)
(t382 2.0)
(t383 2.0)
(t384 2.0)
(t385 2.0)
(t386 2.0)
(t387 2.0)
(t388 2.0)
(t389 0.0)
(t390 0.0)
(t391 0.0)
(t392 0.0)
(t393 1.0)
(t394 1.0)
(t395 1.0)
(t396 1.0)
(t397 1.0)
(t398 1.0)
(t399 1.0)
(t400 timeout
1.0)
(t401 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1554/1554 variables, and 2230 constraints, problems are : Problem set: 0 solved, 120 unsolved in 45012 ms.
Refiners :[Domain max(s): 825/825 constraints, Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 825/825 constraints, ReadFeed: 380/380 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 240/240 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/240 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 465/705 variables, 128/368 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/705 variables, 465/833 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/705 variables, 0/833 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (OVERLAPS) 120/825 variables, 72/905 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/825 variables, 120/1025 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/825 variables, 0/1025 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 8 (OVERLAPS) 729/1554 variables, 825/1850 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1554 variables, 380/2230 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1554 variables, 120/2350 constraints. Problems are: Problem set: 0 solved, 120 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 1)
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(t506 0)
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(t509 0)
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(t512 0)
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(t515 0)
(t516 0)
(t517 0)
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(t521 0)
(t522 0)
(t523 0)
(t524 0)
(t525 0)
(t526 0)
(t527 0)
(t528 0)
(t529 0)
(t530 0)
(t531 0)
(t532 0)
(t533 0)
(t534 0)
(t535 0)
(t536 0)
(t537 0)
(t538 0)
(t539 0)
(t540 0)
(t541 0)
(t542 0)
(t543 0)
(t544 0)
(t545 0)
(t546 0)
(t547 0)
(t548 0)
(t549 0)
(t550 0)
(t551 0)
(t552 0)
(t553 0)
(t554 0)
(t555 0)
(t556 0)
(t557 0)
(t558 timeout
0)
(t559 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1554/1554 variables, and 2350 constraints, problems are : Problem set: 0 solved, 120 unsolved in 45018 ms.
Refiners :[Domain max(s): 825/825 constraints, Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 825/825 constraints, ReadFeed: 380/380 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90084ms problems are : Problem set: 0 solved, 120 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 240 out of 825 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 825/825 places, 729/729 transitions.
Free-agglomeration rule applied 48 times.
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 825 transition count 681
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 0 with 48 rules applied. Total rules applied 96 place count 777 transition count 681
Applied a total of 96 rules in 98 ms. Remains 777 /825 variables (removed 48) and now considering 681/729 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98 ms. Remains : 777/825 places, 681/729 transitions.
RANDOM walk for 4000000 steps (7625 resets) in 71124 ms. (56 steps per ms) remains 117/120 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 158 ms. (251 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 156 ms. (254 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 142 ms. (279 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 187 ms. (212 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (8 resets) in 141 ms. (281 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40003 steps (8 resets) in 152 ms. (261 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 151 ms. (263 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 150 ms. (264 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 120 ms. (330 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 157 ms. (253 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 148 ms. (268 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 139 ms. (285 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 153 ms. (259 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 143 ms. (277 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 144 ms. (275 steps per ms) remains 117/117 properties
BEST_FIRST walk for 40004 steps (8 resets) in 149 ms. (266 steps per ms) remains 117/117 properties
Interrupted probabilistic random walk after 6141612 steps, run timeout after 63001 ms. (steps per millisecond=97 ) properties seen :70 out of 117
Probabilistic random walk after 6141612 steps, saw 662233 distinct states, run finished after 63008 ms. (steps per millisecond=97 ) properties seen :70
// Phase 1: matrix 681 rows 777 cols
[2025-06-01 20:37:57] [INFO ] Computed 200 invariants in 7 ms
[2025-06-01 20:37:57] [INFO ] State equation strengthened by 440 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 94/94 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 407/501 variables, 54/148 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/501 variables, 407/555 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (OVERLAPS) 276/777 variables, 146/701 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/777 variables, 276/977 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/777 variables, 0/977 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 681/1458 variables, 777/1754 constraints. Problems are: Problem set: 0 solved, 47 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1458 variables, 440/2194 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1458 variables, 0/2194 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 11 (OVERLAPS) 0/1458 variables, 0/2194 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1458/1458 variables, and 2194 constraints, problems are : Problem set: 0 solved, 47 unsolved in 15455 ms.
Refiners :[Domain max(s): 777/777 constraints, Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 777/777 constraints, ReadFeed: 440/440 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 47 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/94 variables, 94/94 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/94 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 2 (OVERLAPS) 407/501 variables, 54/148 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/501 variables, 407/555 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/501 variables, 0/555 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 5 (OVERLAPS) 276/777 variables, 146/701 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/777 variables, 276/977 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/777 variables, 0/977 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 8 (OVERLAPS) 681/1458 variables, 777/1754 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1458 variables, 440/2194 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1458 variables, 47/2241 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1458 variables, 0/2241 constraints. Problems are: Problem set: 0 solved, 47 unsolved
At refinement iteration 12 (OVERLAPS) 0/1458 variables, 0/2241 constraints. Problems are: Problem set: 0 solved, 47 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1458/1458 variables, and 2241 constraints, problems are : Problem set: 0 solved, 47 unsolved in 47304 ms.
Refiners :[Domain max(s): 777/777 constraints, Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 777/777 constraints, ReadFeed: 440/440 constraints, PredecessorRefiner: 47/47 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62792ms problems are : Problem set: 0 solved, 47 unsolved
Parikh walk visited 0 properties in 7318 ms.
Support contains 94 out of 777 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 777/777 places, 681/681 transitions.
Free-agglomeration rule applied 73 times.
Iterating global reduction 0 with 73 rules applied. Total rules applied 73 place count 777 transition count 608
Reduce places removed 73 places and 0 transitions.
Iterating post reduction 0 with 73 rules applied. Total rules applied 146 place count 704 transition count 608
Applied a total of 146 rules in 47 ms. Remains 704 /777 variables (removed 73) and now considering 608/681 (removed 73) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 704/777 places, 608/681 transitions.
RANDOM walk for 4000000 steps (8 resets) in 35529 ms. (112 steps per ms) remains 37/47 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1575 ms. (253 steps per ms) remains 36/37 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1527 ms. (261 steps per ms) remains 34/36 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1449 ms. (275 steps per ms) remains 34/34 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1413 ms. (282 steps per ms) remains 33/34 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1447 ms. (276 steps per ms) remains 32/33 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1496 ms. (267 steps per ms) remains 32/32 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1482 ms. (269 steps per ms) remains 30/32 properties
BEST_FIRST walk for 400001 steps (8 resets) in 1445 ms. (276 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1445 ms. (276 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1458 ms. (274 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1443 ms. (277 steps per ms) remains 30/30 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1465 ms. (272 steps per ms) remains 29/30 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1416 ms. (282 steps per ms) remains 29/29 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1519 ms. (263 steps per ms) remains 28/29 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1531 ms. (261 steps per ms) remains 28/28 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1477 ms. (270 steps per ms) remains 28/28 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1544 ms. (258 steps per ms) remains 28/28 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1404 ms. (284 steps per ms) remains 27/28 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1486 ms. (269 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1458 ms. (274 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1475 ms. (271 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1510 ms. (264 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1530 ms. (261 steps per ms) remains 27/27 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1507 ms. (265 steps per ms) remains 26/27 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1558 ms. (256 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1479 ms. (270 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1493 ms. (267 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1507 ms. (265 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400004 steps (8 resets) in 1448 ms. (276 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400002 steps (8 resets) in 1552 ms. (257 steps per ms) remains 26/26 properties
BEST_FIRST walk for 400003 steps (8 resets) in 1486 ms. (269 steps per ms) remains 25/26 properties
// Phase 1: matrix 608 rows 704 cols
[2025-06-01 20:39:32] [INFO ] Computed 200 invariants in 3 ms
[2025-06-01 20:39:32] [INFO ] State equation strengthened by 513 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (OVERLAPS) 407/457 variables, 32/82 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 407/489 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (OVERLAPS) 247/704 variables, 168/657 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/704 variables, 247/904 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/704 variables, 0/904 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 8 (OVERLAPS) 608/1312 variables, 704/1608 constraints. Problems are: Problem set: 0 solved, 25 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1312 variables, 513/2121 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1312 variables, 0/2121 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 11 (OVERLAPS) 0/1312 variables, 0/2121 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1312/1312 variables, and 2121 constraints, problems are : Problem set: 0 solved, 25 unsolved in 6670 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 704/704 constraints, ReadFeed: 513/513 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 25 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 50/50 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 2 (OVERLAPS) 407/457 variables, 32/82 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 407/489 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/489 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 5 (OVERLAPS) 247/704 variables, 168/657 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/704 variables, 247/904 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/704 variables, 0/904 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 8 (OVERLAPS) 608/1312 variables, 704/1608 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1312 variables, 513/2121 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1312 variables, 25/2146 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1312 variables, 0/2146 constraints. Problems are: Problem set: 0 solved, 25 unsolved
At refinement iteration 12 (OVERLAPS) 0/1312 variables, 0/2146 constraints. Problems are: Problem set: 0 solved, 25 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1312/1312 variables, and 2146 constraints, problems are : Problem set: 0 solved, 25 unsolved in 13231 ms.
Refiners :[Domain max(s): 704/704 constraints, Positive P Invariants (semi-flows): 200/200 constraints, State Equation: 704/704 constraints, ReadFeed: 513/513 constraints, PredecessorRefiner: 25/25 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19932ms problems are : Problem set: 0 solved, 25 unsolved
Parikh walk visited 2 properties in 3426 ms.
Support contains 46 out of 704 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 704/704 places, 608/608 transitions.
Free-agglomeration rule applied 24 times.
Iterating global reduction 0 with 24 rules applied. Total rules applied 24 place count 704 transition count 584
Reduce places removed 24 places and 0 transitions.
Graph (complete) has 1389 edges and 680 vertex of which 605 are kept as prefixes of interest. Removing 75 places using SCC suffix rule.1 ms
Discarding 75 places :
Also discarding 56 output transitions
Drop transitions (Output transitions of discarded places.) removed 56 transitions
Iterating post reduction 0 with 25 rules applied. Total rules applied 49 place count 605 transition count 528
Drop transitions (Empty/Sink Transition effects.) removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 63 place count 605 transition count 514
Applied a total of 63 rules in 42 ms. Remains 605 /704 variables (removed 99) and now considering 514/608 (removed 94) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 605/704 places, 514/608 transitions.
RANDOM walk for 4000000 steps (8 resets) in 31407 ms. (127 steps per ms) remains 12/23 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 11403 ms. (350 steps per ms) remains 10/12 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 11226 ms. (356 steps per ms) remains 8/10 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 11383 ms. (351 steps per ms) remains 7/8 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 10833 ms. (369 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 10814 ms. (369 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000003 steps (8 resets) in 10873 ms. (367 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000002 steps (8 resets) in 11153 ms. (358 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 10826 ms. (369 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 10831 ms. (369 steps per ms) remains 6/6 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 10872 ms. (367 steps per ms) remains 5/6 properties
// Phase 1: matrix 514 rows 605 cols
[2025-06-01 20:40:34] [INFO ] Computed 182 invariants in 2 ms
[2025-06-01 20:40:34] [INFO ] State equation strengthened by 467 read => feed constraints.
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 233/243 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 233/252 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 362/605 variables, 173/425 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/605 variables, 362/787 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/605 variables, 0/787 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 514/1119 variables, 605/1392 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1119 variables, 467/1859 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1119 variables, 0/1859 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 0/1119 variables, 0/1859 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1119/1119 variables, and 1859 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1295 ms.
Refiners :[Domain max(s): 605/605 constraints, Positive P Invariants (semi-flows): 182/182 constraints, State Equation: 605/605 constraints, ReadFeed: 467/467 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 105.0 s and query timeout 10500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 233/243 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 233/252 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 362/605 variables, 173/425 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/605 variables, 362/787 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/605 variables, 0/787 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 514/1119 variables, 605/1392 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1119 variables, 467/1859 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1119 variables, 5/1864 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1119 variables, 0/1864 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/1119 variables, 0/1864 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1119/1119 variables, and 1864 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2192 ms.
Refiners :[Domain max(s): 605/605 constraints, Positive P Invariants (semi-flows): 182/182 constraints, State Equation: 605/605 constraints, ReadFeed: 467/467 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3508ms problems are : Problem set: 0 solved, 5 unsolved
Parikh walk visited 3 properties in 1218 ms.
Support contains 4 out of 605 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 605/605 places, 514/514 transitions.
Graph (complete) has 1231 edges and 605 vertex of which 528 are kept as prefixes of interest. Removing 77 places using SCC suffix rule.2 ms
Discarding 77 places :
Also discarding 58 output transitions
Drop transitions (Output transitions of discarded places.) removed 58 transitions
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 528 transition count 444
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 4 Pre rules applied. Total rules applied 13 place count 528 transition count 440
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 21 place count 524 transition count 440
Free-agglomeration rule applied 17 times.
Iterating global reduction 1 with 17 rules applied. Total rules applied 38 place count 524 transition count 423
Reduce places removed 17 places and 0 transitions.
Graph (complete) has 1008 edges and 507 vertex of which 264 are kept as prefixes of interest. Removing 243 places using SCC suffix rule.1 ms
Discarding 243 places :
Also discarding 192 output transitions
Drop transitions (Output transitions of discarded places.) removed 192 transitions
Iterating post reduction 1 with 18 rules applied. Total rules applied 56 place count 264 transition count 231
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 74 place count 264 transition count 213
Applied a total of 74 rules in 29 ms. Remains 264 /605 variables (removed 341) and now considering 213/514 (removed 301) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 264/605 places, 213/514 transitions.
RANDOM walk for 981 steps (0 resets) in 8 ms. (109 steps per ms) remains 0/2 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 537 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK PARIKH_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 393545 ms.
BK_STOP 1748810439577
--------------------
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
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="Parking-PT-864"
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 2-5832"
echo " Executing tool itstools"
echo " Input is Parking-PT-864, 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 r147-tall-174876819600277"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-864.tgz
mv Parking-PT-864 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.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 '
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 ;