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.r480-tall-171624189400517.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DBSingleClientW-PT-d1m07, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r480-tall-171624189400517
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 920K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K 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 2.2K May 19 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 12 12:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 163K Apr 12 12:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Apr 12 12:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Apr 12 12:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K 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 6 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 432K 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-00
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-01
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-02
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-03
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-04
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-05
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-06
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-07
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-08
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-09
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-10
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-11
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-12
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-13
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-14
FORMULA_NAME DBSingleClientW-PT-d1m07-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717189559814

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d1m07
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:06:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-31 21:06:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:06:01] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2024-05-31 21:06:01] [INFO ] Transformed 1440 places.
[2024-05-31 21:06:01] [INFO ] Transformed 672 transitions.
[2024-05-31 21:06:01] [INFO ] Parsed PT model containing 1440 places and 672 transitions and 2688 arcs in 265 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Deduced a syphon composed of 1093 places in 6 ms
Reduce places removed 1093 places and 0 transitions.
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-03 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d1m07-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0] Max Struct:[+inf, +inf, +inf]
// Phase 1: matrix 672 rows 347 cols
[2024-05-31 21:06:01] [INFO ] Computed 6 invariants in 76 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0] Max Struct:[1428, 1428, 9]
RANDOM walk for 10000 steps (2280 resets) in 194 ms. (51 steps per ms)
BEST_FIRST walk for 30002 steps (2923 resets) in 220 ms. (135 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 1] Max Struct:[1428, 1428, 9]
[2024-05-31 21:06:02] [INFO ] Invariant cache hit.
[2024-05-31 21:06:02] [INFO ] [Real]Absence check using 2 positive place invariants in 20 ms returned sat
[2024-05-31 21:06:02] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2024-05-31 21:06:02] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-31 21:06:02] [INFO ] State equation strengthened by 418 read => feed constraints.
[2024-05-31 21:06:02] [INFO ] [Real]Added 418 Read/Feed constraints in 90 ms returned sat
[2024-05-31 21:06:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 5 ms returned sat
[2024-05-31 21:06:03] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2024-05-31 21:06:03] [INFO ] [Nat]Absence check using state equation in 164 ms returned sat
[2024-05-31 21:06:03] [INFO ] [Nat]Added 418 Read/Feed constraints in 72 ms returned sat
[2024-05-31 21:06:03] [INFO ] Deduced a trap composed of 111 places in 201 ms of which 45 ms to minimize.
[2024-05-31 21:06:03] [INFO ] Deduced a trap composed of 100 places in 173 ms of which 3 ms to minimize.
[2024-05-31 21:06:03] [INFO ] Deduced a trap composed of 99 places in 172 ms of which 3 ms to minimize.
[2024-05-31 21:06:03] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 699 ms
[2024-05-31 21:06:04] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 122 ms.
[2024-05-31 21:06:04] [INFO ] Added : 11 causal constraints over 3 iterations in 310 ms. Result :sat
Minimization took 507 ms.
[2024-05-31 21:06:04] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 21:06:04] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 6 ms returned sat
[2024-05-31 21:06:05] [INFO ] [Real]Absence check using state equation in 170 ms returned sat
[2024-05-31 21:06:05] [INFO ] [Real]Added 418 Read/Feed constraints in 77 ms returned sat
[2024-05-31 21:06:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:05] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 21:06:05] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2024-05-31 21:06:05] [INFO ] [Nat]Absence check using state equation in 137 ms returned sat
[2024-05-31 21:06:05] [INFO ] [Nat]Added 418 Read/Feed constraints in 76 ms returned sat
[2024-05-31 21:06:05] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 75 ms.
[2024-05-31 21:06:05] [INFO ] Deduced a trap composed of 27 places in 163 ms of which 3 ms to minimize.
[2024-05-31 21:06:06] [INFO ] Deduced a trap composed of 43 places in 145 ms of which 3 ms to minimize.
[2024-05-31 21:06:06] [INFO ] Deduced a trap composed of 41 places in 157 ms of which 3 ms to minimize.
[2024-05-31 21:06:06] [INFO ] Deduced a trap composed of 31 places in 157 ms of which 2 ms to minimize.
[2024-05-31 21:06:06] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 840 ms
[2024-05-31 21:06:06] [INFO ] Added : 12 causal constraints over 4 iterations in 1196 ms. Result :sat
Minimization took 514 ms.
[2024-05-31 21:06:07] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-31 21:06:07] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2024-05-31 21:06:07] [INFO ] [Real]Absence check using state equation in 140 ms returned sat
[2024-05-31 21:06:07] [INFO ] [Real]Added 418 Read/Feed constraints in 86 ms returned sat
[2024-05-31 21:06:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-05-31 21:06:07] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 12 ms returned sat
[2024-05-31 21:06:07] [INFO ] [Nat]Absence check using state equation in 159 ms returned sat
[2024-05-31 21:06:07] [INFO ] [Nat]Added 418 Read/Feed constraints in 71 ms returned sat
[2024-05-31 21:06:07] [INFO ] Computed and/alt/rep : 126/406/126 causal constraints (skipped 545 transitions) in 68 ms.
[2024-05-31 21:06:08] [INFO ] Added : 2 causal constraints over 1 iterations in 159 ms. Result :sat
Minimization took 511 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 1] Max Struct:[1428, 1428, 9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 1] Max Struct:[1428, 1428, 9]
Support contains 3 out of 347 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 347/347 places, 672/672 transitions.
Graph (complete) has 1246 edges and 347 vertex of which 325 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.3 ms
Discarding 22 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 0 with 88 rules applied. Total rules applied 89 place count 325 transition count 584
Discarding 96 places :
Symmetric choice reduction at 1 with 96 rule applications. Total rules 185 place count 229 transition count 327
Iterating global reduction 1 with 96 rules applied. Total rules applied 281 place count 229 transition count 327
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 285 place count 229 transition count 323
Discarding 74 places :
Symmetric choice reduction at 2 with 74 rule applications. Total rules 359 place count 155 transition count 249
Iterating global reduction 2 with 74 rules applied. Total rules applied 433 place count 155 transition count 249
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 439 place count 155 transition count 243
Discarding 41 places :
Symmetric choice reduction at 3 with 41 rule applications. Total rules 480 place count 114 transition count 176
Iterating global reduction 3 with 41 rules applied. Total rules applied 521 place count 114 transition count 176
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 3 with 22 rules applied. Total rules applied 543 place count 114 transition count 154
Discarding 12 places :
Symmetric choice reduction at 4 with 12 rule applications. Total rules 555 place count 102 transition count 135
Iterating global reduction 4 with 12 rules applied. Total rules applied 567 place count 102 transition count 135
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 569 place count 102 transition count 133
Discarding 9 places :
Symmetric choice reduction at 5 with 9 rule applications. Total rules 578 place count 93 transition count 124
Iterating global reduction 5 with 9 rules applied. Total rules applied 587 place count 93 transition count 124
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 590 place count 93 transition count 121
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 597 place count 86 transition count 114
Iterating global reduction 6 with 7 rules applied. Total rules applied 604 place count 86 transition count 114
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 607 place count 86 transition count 111
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 608 place count 85 transition count 109
Iterating global reduction 7 with 1 rules applied. Total rules applied 609 place count 85 transition count 109
Applied a total of 609 rules in 100 ms. Remains 85 /347 variables (removed 262) and now considering 109/672 (removed 563) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 112 ms. Remains : 85/347 places, 109/672 transitions.
// Phase 1: matrix 109 rows 85 cols
[2024-05-31 21:06:08] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1] Max Struct:[1428, 1428, 9]
RANDOM walk for 1000000 steps (230005 resets) in 2041 ms. (489 steps per ms)
BEST_FIRST walk for 3000002 steps (295388 resets) in 2818 ms. (1064 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
[2024-05-31 21:06:13] [INFO ] Invariant cache hit.
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:13] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 21:06:13] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:06:13] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 12 ms.
[2024-05-31 21:06:13] [INFO ] Added : 10 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 39 ms.
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:06:13] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:06:13] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 8 ms.
[2024-05-31 21:06:13] [INFO ] Deduced a trap composed of 10 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:06:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:06:13] [INFO ] Added : 9 causal constraints over 2 iterations in 91 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Real]Added 37 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:06:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:06:14] [INFO ] [Nat]Added 37 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:06:14] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 7 ms.
[2024-05-31 21:06:14] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 85/85 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2024-05-31 21:06:14] [INFO ] Invariant cache hit.
[2024-05-31 21:06:14] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:06:14] [INFO ] Invariant cache hit.
[2024-05-31 21:06:14] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 21:06:14] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2024-05-31 21:06:14] [INFO ] Redundant transitions in 2 ms returned []
Running 108 sub problems to find dead transitions.
[2024-05-31 21:06:14] [INFO ] Invariant cache hit.
[2024-05-31 21:06:14] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/194 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 37/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 124 constraints, problems are : Problem set: 0 solved, 108 unsolved in 2021 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/194 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 37/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 108/232 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 232 constraints, problems are : Problem set: 0 solved, 108 unsolved in 4518 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints]
After SMT, in 6787ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 6808ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7031 ms. Remains : 85/85 places, 109/109 transitions.
[2024-05-31 21:06:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
RANDOM walk for 1000000 steps (229853 resets) in 1922 ms. (520 steps per ms)
BEST_FIRST walk for 3000002 steps (295986 resets) in 2689 ms. (1115 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
[2024-05-31 21:06:25] [INFO ] Invariant cache hit.
[2024-05-31 21:06:25] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:26] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 21:06:26] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:26] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:26] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 7 ms.
[2024-05-31 21:06:26] [INFO ] Added : 10 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 21:06:26] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:26] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:06:26] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 8 ms.
[2024-05-31 21:06:26] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:06:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:06:26] [INFO ] Added : 9 causal constraints over 2 iterations in 93 ms. Result :sat
Minimization took 40 ms.
[2024-05-31 21:06:26] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Real]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:06:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:26] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:06:26] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:26] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 8 ms.
[2024-05-31 21:06:26] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 85/85 places, 109/109 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Applied a total of 0 rules in 5 ms. Remains 85 /85 variables (removed 0) and now considering 109/109 (removed 0) transitions.
[2024-05-31 21:06:26] [INFO ] Invariant cache hit.
[2024-05-31 21:06:26] [INFO ] Implicit Places using invariants in 79 ms returned []
[2024-05-31 21:06:26] [INFO ] Invariant cache hit.
[2024-05-31 21:06:26] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 21:06:26] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
[2024-05-31 21:06:26] [INFO ] Redundant transitions in 2 ms returned []
Running 108 sub problems to find dead transitions.
[2024-05-31 21:06:26] [INFO ] Invariant cache hit.
[2024-05-31 21:06:26] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/194 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 37/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 124 constraints, problems are : Problem set: 0 solved, 108 unsolved in 1951 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 108 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 2 (OVERLAPS) 1/85 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 4 (OVERLAPS) 109/194 variables, 85/87 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 37/124 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 108/232 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 108 unsolved
At refinement iteration 8 (OVERLAPS) 0/194 variables, 0/232 constraints. Problems are: Problem set: 0 solved, 108 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 232 constraints, problems are : Problem set: 0 solved, 108 unsolved in 4610 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 108/108 constraints, Known Traps: 0/0 constraints]
After SMT, in 6704ms problems are : Problem set: 0 solved, 108 unsolved
Search for dead transitions found 0 dead transitions in 6705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6938 ms. Remains : 85/85 places, 109/109 transitions.
RANDOM walk for 40000 steps (9125 resets) in 945 ms. (42 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (3932 resets) in 581 ms. (68 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (3957 resets) in 212 ms. (187 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (3888 resets) in 186 ms. (213 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (3969 resets) in 188 ms. (211 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (3994 resets) in 153 ms. (259 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (3950 resets) in 127 ms. (312 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 592422 steps, run timeout after 3001 ms. (steps per millisecond=197 ) properties seen :2 out of 6
Probabilistic random walk after 592422 steps, saw 234507 distinct states, run finished after 3004 ms. (steps per millisecond=197 ) properties seen :2
[2024-05-31 21:06:37] [INFO ] Invariant cache hit.
[2024-05-31 21:06:37] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 51/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 7/61 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 79/140 variables, 61/63 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
At refinement iteration 7 (OVERLAPS) 45/185 variables, 19/82 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 33/115 constraints. Problems are: Problem set: 3 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 0/115 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/194 variables, 5/120 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/194 variables, 4/124 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/194 variables, 0/124 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/194 variables, 0/124 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 124 constraints, problems are : Problem set: 3 solved, 1 unsolved in 113 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/52 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/59 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 77/136 variables, 59/61 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/136 variables, 0/61 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 49/185 variables, 21/82 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/185 variables, 33/115 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 1/116 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/116 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/194 variables, 5/121 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/194 variables, 4/125 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/194 variables, 0/125 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/194 variables, 0/125 constraints. Problems are: Problem set: 3 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 125 constraints, problems are : Problem set: 3 solved, 1 unsolved in 90 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 85/85 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 1/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 207ms problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 8 ms.
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 83 transition count 107
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 83 transition count 107
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 83 transition count 105
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 82 transition count 99
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 82 transition count 99
Applied a total of 8 rules in 9 ms. Remains 82 /85 variables (removed 3) and now considering 99/109 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 82/85 places, 99/109 transitions.
RANDOM walk for 40000 steps (9109 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (4021 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2078124 steps, run timeout after 3001 ms. (steps per millisecond=692 ) properties seen :0 out of 1
Probabilistic random walk after 2078124 steps, saw 838370 distinct states, run finished after 3001 ms. (steps per millisecond=692 ) properties seen :0
// Phase 1: matrix 99 rows 82 cols
[2024-05-31 21:06:40] [INFO ] Computed 2 invariants in 4 ms
[2024-05-31 21:06:40] [INFO ] State equation strengthened by 29 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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/59 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 75/134 variables, 59/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 38/172 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/172 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/181 variables, 5/109 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/181 variables, 4/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 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) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/59 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 75/134 variables, 59/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 38/172 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/172 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/172 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/181 variables, 5/110 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/181 variables, 4/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/181 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/181 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 114 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 6 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 99/99 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
[2024-05-31 21:06:41] [INFO ] Invariant cache hit.
[2024-05-31 21:06:41] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-31 21:06:41] [INFO ] Invariant cache hit.
[2024-05-31 21:06:41] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-31 21:06:41] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-31 21:06:41] [INFO ] Redundant transitions in 2 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-31 21:06:41] [INFO ] Invariant cache hit.
[2024-05-31 21:06:41] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 0 solved, 98 unsolved in 1995 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 98/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (OVERLAPS) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 211 constraints, problems are : Problem set: 0 solved, 98 unsolved in 3247 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints]
After SMT, in 5353ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 5354ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5546 ms. Remains : 82/82 places, 99/99 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 82 transition count 91
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 10 place count 80 transition count 91
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 10 place count 80 transition count 83
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 26 place count 72 transition count 83
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 27 place count 71 transition count 82
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 71 transition count 82
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 29 place count 70 transition count 81
Iterating global reduction 2 with 1 rules applied. Total rules applied 30 place count 70 transition count 81
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 36 place count 67 transition count 78
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 40 place count 65 transition count 114
Applied a total of 40 rules in 37 ms. Remains 65 /82 variables (removed 17) and now considering 114/99 (removed -15) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 114 rows 65 cols
[2024-05-31 21:06:46] [INFO ] Computed 6 invariants in 1 ms
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:46] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using 1 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:46] [INFO ] After 24ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:06:46] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:06:46] [INFO ] After 57ms 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.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0, 0, 2] Max Struct:[1428, 1428, 9]
Starting property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1428]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1428]
// Phase 1: matrix 109 rows 85 cols
[2024-05-31 21:06:46] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1428]
RANDOM walk for 10000 steps (2293 resets) in 21 ms. (454 steps per ms)
BEST_FIRST walk for 10001 steps (997 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1428]
[2024-05-31 21:06:46] [INFO ] Invariant cache hit.
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:06:46] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 21:06:46] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:06:46] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:06:46] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 14 ms.
[2024-05-31 21:06:46] [INFO ] Added : 10 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1428]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1428]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 84 transition count 108
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 84 transition count 108
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 84 transition count 107
Applied a total of 3 rules in 5 ms. Remains 84 /85 variables (removed 1) and now considering 107/109 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 84/85 places, 107/109 transitions.
// Phase 1: matrix 107 rows 84 cols
[2024-05-31 21:06:47] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1428]
RANDOM walk for 1000000 steps (229719 resets) in 1872 ms. (533 steps per ms)
BEST_FIRST walk for 1000001 steps (98455 resets) in 885 ms. (1128 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1428]
[2024-05-31 21:06:49] [INFO ] Invariant cache hit.
[2024-05-31 21:06:49] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:49] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:49] [INFO ] State equation strengthened by 36 read => feed constraints.
[2024-05-31 21:06:49] [INFO ] [Real]Added 36 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:06:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:49] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:49] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:06:49] [INFO ] [Nat]Added 36 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:06:49] [INFO ] Computed and/alt/rep : 29/63/29 causal constraints (skipped 77 transitions) in 8 ms.
[2024-05-31 21:06:49] [INFO ] Added : 9 causal constraints over 2 iterations in 28 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1428]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1428]
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 3 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 84/84 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 3 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2024-05-31 21:06:50] [INFO ] Invariant cache hit.
[2024-05-31 21:06:50] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:06:50] [INFO ] Invariant cache hit.
[2024-05-31 21:06:50] [INFO ] State equation strengthened by 36 read => feed constraints.
[2024-05-31 21:06:50] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-31 21:06:50] [INFO ] Redundant transitions in 1 ms returned []
Running 106 sub problems to find dead transitions.
[2024-05-31 21:06:50] [INFO ] Invariant cache hit.
[2024-05-31 21:06:50] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/84 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/191 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 36/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 122 constraints, problems are : Problem set: 0 solved, 106 unsolved in 2099 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/84 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/191 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 36/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 106/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 228 constraints, problems are : Problem set: 0 solved, 106 unsolved in 3876 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
After SMT, in 6082ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 6084ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6313 ms. Remains : 84/84 places, 107/107 transitions.
RANDOM walk for 40000 steps (9153 resets) in 164 ms. (242 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (3966 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3937 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2182536 steps, run timeout after 3001 ms. (steps per millisecond=727 ) properties seen :1 out of 2
Probabilistic random walk after 2182536 steps, saw 859888 distinct states, run finished after 3001 ms. (steps per millisecond=727 ) properties seen :1
[2024-05-31 21:06:59] [INFO ] Invariant cache hit.
[2024-05-31 21:06:59] [INFO ] State equation strengthened by 36 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 80/83 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 50/133 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/133 variables, 35/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/133 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/140 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 5/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/140 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 191/191 variables, and 93 constraints, problems are : Problem set: 1 solved, 0 unsolved in 81 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 7/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1428]
Ending property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-05 in 12829 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1428]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1428]
// Phase 1: matrix 109 rows 85 cols
[2024-05-31 21:06:59] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1428]
RANDOM walk for 10000 steps (2271 resets) in 21 ms. (454 steps per ms)
BEST_FIRST walk for 10000 steps (1004 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1428]
[2024-05-31 21:06:59] [INFO ] Invariant cache hit.
[2024-05-31 21:06:59] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:06:59] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:06:59] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 21:06:59] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:06:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:06:59] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:06:59] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:06:59] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:06:59] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 8 ms.
[2024-05-31 21:06:59] [INFO ] Deduced a trap composed of 10 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:06:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:06:59] [INFO ] Added : 9 causal constraints over 2 iterations in 94 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1428]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1428]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 84 transition count 108
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 84 transition count 108
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 84 transition count 107
Applied a total of 3 rules in 5 ms. Remains 84 /85 variables (removed 1) and now considering 107/109 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 84/85 places, 107/109 transitions.
// Phase 1: matrix 107 rows 84 cols
[2024-05-31 21:06:59] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1428]
RANDOM walk for 1000000 steps (230026 resets) in 1836 ms. (544 steps per ms)
BEST_FIRST walk for 1000001 steps (98897 resets) in 858 ms. (1164 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1428]
[2024-05-31 21:07:02] [INFO ] Invariant cache hit.
[2024-05-31 21:07:02] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:07:02] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:07:02] [INFO ] State equation strengthened by 36 read => feed constraints.
[2024-05-31 21:07:02] [INFO ] [Real]Added 36 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:07:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:02] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:07:02] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:07:02] [INFO ] [Nat]Added 36 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:07:02] [INFO ] Computed and/alt/rep : 29/63/29 causal constraints (skipped 77 transitions) in 7 ms.
[2024-05-31 21:07:02] [INFO ] Added : 10 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1428]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1428]
Support contains 1 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 2 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 84/84 places, 107/107 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 107/107 transitions.
Applied a total of 0 rules in 7 ms. Remains 84 /84 variables (removed 0) and now considering 107/107 (removed 0) transitions.
[2024-05-31 21:07:02] [INFO ] Invariant cache hit.
[2024-05-31 21:07:02] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 21:07:02] [INFO ] Invariant cache hit.
[2024-05-31 21:07:02] [INFO ] State equation strengthened by 36 read => feed constraints.
[2024-05-31 21:07:03] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 194 ms to find 0 implicit places.
[2024-05-31 21:07:03] [INFO ] Redundant transitions in 2 ms returned []
Running 106 sub problems to find dead transitions.
[2024-05-31 21:07:03] [INFO ] Invariant cache hit.
[2024-05-31 21:07:03] [INFO ] State equation strengthened by 36 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/84 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/191 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 36/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (OVERLAPS) 0/191 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 191/191 variables, and 122 constraints, problems are : Problem set: 0 solved, 106 unsolved in 2058 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 1/84 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 107/191 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/191 variables, 36/122 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/191 variables, 106/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/191 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (OVERLAPS) 0/191 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 191/191 variables, and 228 constraints, problems are : Problem set: 0 solved, 106 unsolved in 3437 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
After SMT, in 5584ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 5586ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5793 ms. Remains : 84/84 places, 107/107 transitions.
RANDOM walk for 40000 steps (9251 resets) in 122 ms. (325 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3957 resets) in 57 ms. (689 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (3940 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 2270337 steps, run timeout after 3001 ms. (steps per millisecond=756 ) properties seen :1 out of 2
Probabilistic random walk after 2270337 steps, saw 893744 distinct states, run finished after 3001 ms. (steps per millisecond=756 ) properties seen :1
[2024-05-31 21:07:11] [INFO ] Invariant cache hit.
[2024-05-31 21:07:11] [INFO ] State equation strengthened by 36 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 80/83 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/83 variables, 7/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/83 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 50/133 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/133 variables, 35/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/133 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/140 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 5/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/140 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 191/191 variables, and 93 constraints, problems are : Problem set: 1 solved, 0 unsolved in 72 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 7/36 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 79ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1428]
Ending property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-07 in 12278 ms.
Starting property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[9]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[9]
// Phase 1: matrix 109 rows 85 cols
[2024-05-31 21:07:11] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[9]
RANDOM walk for 10000 steps (2246 resets) in 20 ms. (476 steps per ms)
BEST_FIRST walk for 10001 steps (960 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[9]
[2024-05-31 21:07:11] [INFO ] Invariant cache hit.
[2024-05-31 21:07:11] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:07:11] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 21:07:11] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:11] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:07:11] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:07:11] [INFO ] Computed and/alt/rep : 29/65/29 causal constraints (skipped 79 transitions) in 5 ms.
[2024-05-31 21:07:11] [INFO ] Added : 5 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[9]
Support contains 1 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 109/109 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 83 transition count 107
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 83 transition count 107
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 83 transition count 105
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 82 transition count 99
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 82 transition count 99
Applied a total of 8 rules in 5 ms. Remains 82 /85 variables (removed 3) and now considering 99/109 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/85 places, 99/109 transitions.
// Phase 1: matrix 99 rows 82 cols
[2024-05-31 21:07:12] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[9]
RANDOM walk for 1000000 steps (229371 resets) in 1765 ms. (566 steps per ms)
BEST_FIRST walk for 1000000 steps (97967 resets) in 825 ms. (1210 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[9]
[2024-05-31 21:07:14] [INFO ] Invariant cache hit.
[2024-05-31 21:07:14] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:07:14] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:07:14] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-31 21:07:14] [INFO ] [Real]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:14] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:07:14] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:07:14] [INFO ] [Nat]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:14] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 1 ms to minimize.
[2024-05-31 21:07:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2024-05-31 21:07:14] [INFO ] Computed and/alt/rep : 29/61/29 causal constraints (skipped 69 transitions) in 6 ms.
[2024-05-31 21:07:14] [INFO ] Added : 14 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 37 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[9]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 99/99 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 5 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
[2024-05-31 21:07:14] [INFO ] Invariant cache hit.
[2024-05-31 21:07:14] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-31 21:07:14] [INFO ] Invariant cache hit.
[2024-05-31 21:07:15] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-31 21:07:15] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-31 21:07:15] [INFO ] Redundant transitions in 2 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-31 21:07:15] [INFO ] Invariant cache hit.
[2024-05-31 21:07:15] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 0 solved, 98 unsolved in 1863 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 98/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (OVERLAPS) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 211 constraints, problems are : Problem set: 0 solved, 98 unsolved in 3264 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints]
After SMT, in 5200ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 5201ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5395 ms. Remains : 82/82 places, 99/99 transitions.
[2024-05-31 21:07:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[9]
RANDOM walk for 1000000 steps (229766 resets) in 1761 ms. (567 steps per ms)
BEST_FIRST walk for 1000001 steps (98292 resets) in 810 ms. (1233 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[9]
[2024-05-31 21:07:22] [INFO ] Invariant cache hit.
[2024-05-31 21:07:22] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2024-05-31 21:07:22] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:07:22] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-31 21:07:22] [INFO ] [Real]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:07:22] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 2 ms returned sat
[2024-05-31 21:07:23] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:07:23] [INFO ] [Nat]Added 29 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:07:23] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:07:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2024-05-31 21:07:23] [INFO ] Computed and/alt/rep : 29/61/29 causal constraints (skipped 69 transitions) in 7 ms.
[2024-05-31 21:07:23] [INFO ] Added : 14 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 39 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[9]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[9]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 82/82 places, 99/99 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
[2024-05-31 21:07:23] [INFO ] Invariant cache hit.
[2024-05-31 21:07:23] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-31 21:07:23] [INFO ] Invariant cache hit.
[2024-05-31 21:07:23] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-31 21:07:23] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2024-05-31 21:07:23] [INFO ] Redundant transitions in 1 ms returned []
Running 98 sub problems to find dead transitions.
[2024-05-31 21:07:23] [INFO ] Invariant cache hit.
[2024-05-31 21:07:23] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 0 solved, 98 unsolved in 1874 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 98 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 2 (OVERLAPS) 1/82 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 4 (OVERLAPS) 99/181 variables, 82/84 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/181 variables, 29/113 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/181 variables, 98/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
At refinement iteration 8 (OVERLAPS) 0/181 variables, 0/211 constraints. Problems are: Problem set: 0 solved, 98 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 211 constraints, problems are : Problem set: 0 solved, 98 unsolved in 3227 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 98/98 constraints, Known Traps: 0/0 constraints]
After SMT, in 5169ms problems are : Problem set: 0 solved, 98 unsolved
Search for dead transitions found 0 dead transitions in 5170ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5351 ms. Remains : 82/82 places, 99/99 transitions.
RANDOM walk for 40000 steps (9204 resets) in 161 ms. (246 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40000 steps (3947 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (3980 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1191191 steps, run timeout after 3001 ms. (steps per millisecond=396 ) properties seen :0 out of 2
Probabilistic random walk after 1191191 steps, saw 487119 distinct states, run finished after 3001 ms. (steps per millisecond=396 ) properties seen :0
[2024-05-31 21:07:31] [INFO ] Invariant cache hit.
[2024-05-31 21:07:31] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 51/52 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 7/59 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 75/134 variables, 59/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 7 (OVERLAPS) 38/172 variables, 18/79 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 25/104 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/172 variables, 0/104 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/181 variables, 5/109 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/181 variables, 4/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/181 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/181 variables, 0/113 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 181/181 variables, and 113 constraints, problems are : Problem set: 1 solved, 1 unsolved in 90 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 51/52 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/52 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/59 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 75/134 variables, 59/61 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/134 variables, 0/61 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 38/172 variables, 18/79 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 25/104 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/172 variables, 1/105 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/172 variables, 0/105 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/181 variables, 5/110 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/181 variables, 4/114 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/181 variables, 0/114 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/181 variables, 0/114 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 181/181 variables, and 114 constraints, problems are : Problem set: 1 solved, 1 unsolved in 67 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 82/82 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints]
After SMT, in 160ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 4 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 99/99 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 99/99 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 99/99 transitions.
RANDOM walk for 40000 steps (9130 resets) in 119 ms. (333 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (4055 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 2267864 steps, run visited all 1 properties in 2860 ms. (steps per millisecond=792 )
Probabilistic random walk after 2267864 steps, saw 906811 distinct states, run finished after 2863 ms. (steps per millisecond=792 ) properties seen :1
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[9]
Ending property specific reduction for DBSingleClientW-PT-d1m07-UpperBounds-11 in 22955 ms.
[2024-05-31 21:07:34] [INFO ] Flatten gal took : 34 ms
[2024-05-31 21:07:34] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-31 21:07:34] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 85 places, 109 transitions and 429 arcs took 4 ms.
Total runtime 93850 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : DBSingleClientW-PT-d1m07-UpperBounds-05
Could not compute solution for formula : DBSingleClientW-PT-d1m07-UpperBounds-07
Could not compute solution for formula : DBSingleClientW-PT-d1m07-UpperBounds-11

BK_STOP 1717189655194

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name DBSingleClientW-PT-d1m07-UpperBounds-05
ub formula formula --maxsum=/tmp/813/ub_0_
ub formula name DBSingleClientW-PT-d1m07-UpperBounds-07
ub formula formula --maxsum=/tmp/813/ub_1_
ub formula name DBSingleClientW-PT-d1m07-UpperBounds-11
ub formula formula --maxsum=/tmp/813/ub_2_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="DBSingleClientW-PT-d1m07"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 ltsminxred"
echo " Input is DBSingleClientW-PT-d1m07, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r480-tall-171624189400517"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d1m07.tgz
mv DBSingleClientW-PT-d1m07 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;