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.r245-tall-171654350600765.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 greatspnxred
Input is PGCD-PT-D03N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-171654350600765
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 8.0K Apr 11 15:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Apr 11 15:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Apr 11 15:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Apr 11 15:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 6 10:02 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 6 10:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 6 10:02 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 6 10:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Apr 11 15:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Apr 11 15:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 11 15:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 123K Apr 11 15:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 6 10:02 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 6 10:02 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 7.4K May 18 16:43 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 PGCD-PT-D03N050-UpperBounds-00
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-01
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-02
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-03
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-04
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-05
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-06
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-07
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-08
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-09
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-10
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-11
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-12
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-13
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-14
FORMULA_NAME PGCD-PT-D03N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716707098159

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-PT-D03N050
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-26 07:04:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-26 07:04:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-26 07:04:59] [INFO ] Load time of PNML (sax parser for PT used): 27 ms
[2024-05-26 07:04:59] [INFO ] Transformed 12 places.
[2024-05-26 07:04:59] [INFO ] Transformed 12 transitions.
[2024-05-26 07:04:59] [INFO ] Parsed PT model containing 12 places and 12 transitions and 56 arcs in 115 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Reduction of identical properties reduced properties to check from 16 to 10
Current structural bounds on expressions (Initially) : Max Seen:[1, 50, 50, 1, 1, 1, 1, 50, 1, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 50, 50, 1, 1, 1, 1, 50, 1, 50] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 12 rows 12 cols
[2024-05-26 07:04:59] [INFO ] Computed 5 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 50, 50, 1, 1, 1, 1, 50, 1, 50] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
RANDOM walk for 10015 steps (2 resets) in 17 ms. (556 steps per ms)
BEST_FIRST walk for 100009 steps (20 resets) in 76 ms. (1298 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[97, 151, 151, 87, 111, 111, 97, 151, 65, 151] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
[2024-05-26 07:04:59] [INFO ] Invariant cache hit.
[2024-05-26 07:04:59] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 7 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-26 07:04:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:04:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2024-05-26 07:04:59] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:04:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:04:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:04:59] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Minimization took 29 ms.
[2024-05-26 07:04:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 5 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:04:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:04:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:04:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:04:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:04:59] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 13 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:00] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 18 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:05:00] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 17 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:00] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 19 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:00] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 20 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:00] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 22 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:00] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 29 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:00] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 27 ms.
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 3 ms returned sat
[2024-05-26 07:05:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 4 ms.
[2024-05-26 07:05:00] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[97, 151, 151, 87, 111, 111, 97, 151, 65, 151] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[201, 199, 195, 199, 199, 199, 201, 199, 199, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
Support contains 10 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 16 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:01] [INFO ] Invariant cache hit.
[2024-05-26 07:05:01] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/24 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 21 constraints, problems are : Problem set: 0 solved, 4 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 4/12 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/24 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/24 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/24 variables, 4/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 25 constraints, problems are : Problem set: 0 solved, 4 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 12/12 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 146ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 153ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 182 ms. Remains : 12/12 places, 12/12 transitions.
[2024-05-26 07:05:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[201, 199, 195, 199, 199, 199, 201, 199, 199, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
RANDOM walk for 1000009 steps (2 resets) in 202 ms. (4926 steps per ms)
BEST_FIRST walk for 10000008 steps (20 resets) in 2752 ms. (3632 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201, 199, 195, 199, 199, 199, 201, 199, 199, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
[2024-05-26 07:05:04] [INFO ] Invariant cache hit.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 30 ms returned unsat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:04] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:04] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 3 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:04] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 9 ms.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:04] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:04] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:04] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 6 ms.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 4 ms returned unsat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 3 ms.
[2024-05-26 07:05:04] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 10 ms.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:04] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 12 ms.
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:04] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:04] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:05] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201, 199, 195, 199, 199, 199, 201, 199, 199, 197] Max Struct:[201, 204, 204, 204, 204, 204, 201, 204, 204, 204]
FORMULA PGCD-PT-D03N050-UpperBounds-12 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-07 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-04 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-00 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 197, 201, 201, 201, 199, 199, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204]
Support contains 8 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 12/12 transitions.
[2024-05-26 07:05:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 197, 201, 201, 201, 199, 199, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204]
RANDOM walk for 1000060 steps (2 resets) in 149 ms. (6667 steps per ms)
BEST_FIRST walk for 8000007 steps (16 resets) in 2119 ms. (3773 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 197, 201, 201, 201, 199, 199, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204]
[2024-05-26 07:05:07] [INFO ] Invariant cache hit.
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:07] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:07] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:07] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:07] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:07] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:07] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using state equation in 6 ms returned unsat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using state equation in 8 ms returned unsat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using state equation in 7 ms returned unsat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:07] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 16 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:07] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 12 ms.
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:07] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:07] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:08] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:08] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-05-26 07:05:08] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:08] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:08] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 197, 201, 201, 201, 199, 199, 197] Max Struct:[204, 204, 201, 201, 201, 204, 204, 204]
FORMULA PGCD-PT-D03N050-UpperBounds-06 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-05 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-10 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-11 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-03 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 197, 199, 200, 197] Max Struct:[204, 204, 204, 204, 204]
Support contains 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 12/12 transitions.
[2024-05-26 07:05:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 197, 199, 200, 197] Max Struct:[204, 204, 204, 204, 204]
RANDOM walk for 1000020 steps (2 resets) in 154 ms. (6451 steps per ms)
BEST_FIRST walk for 5000004 steps (10 resets) in 1294 ms. (3861 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 197, 199, 200, 197] Max Struct:[204, 204, 204, 204, 204]
[2024-05-26 07:05:09] [INFO ] Invariant cache hit.
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:09] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:09] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 9 ms.
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-26 07:05:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:09] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:09] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 10 ms.
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 12 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:09] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 12 ms.
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:09] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:09] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:09] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 197, 199, 200, 197] Max Struct:[204, 204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 197, 199, 201, 197] Max Struct:[204, 204, 204, 204, 204]
Support contains 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 12/12 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 12/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:10] [INFO ] Invariant cache hit.
[2024-05-26 07:05:10] [INFO ] Implicit Places using invariants in 37 ms returned [8, 9, 10, 11]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 40 ms to find 4 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 8/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 42 ms. Remains : 8/12 places, 12/12 transitions.
// Phase 1: matrix 12 rows 8 cols
[2024-05-26 07:05:10] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[199, 197, 199, 201, 197] Max Struct:[204, 204, 204, 204, 204]
RANDOM walk for 1000000 steps (2 resets) in 127 ms. (7812 steps per ms)
BEST_FIRST walk for 5000003 steps (10 resets) in 1028 ms. (4859 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 197, 199, 201, 197] Max Struct:[204, 204, 204, 204, 204]
[2024-05-26 07:05:11] [INFO ] Invariant cache hit.
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:11] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:11] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:11] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:11] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 9 ms.
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:11] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:11] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 7 ms.
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-05-26 07:05:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:11] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:11] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using state equation in 5 ms returned unsat
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:11] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:11] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:11] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 197, 199, 201, 197] Max Struct:[204, 204, 204, 201, 204]
FORMULA PGCD-PT-D03N050-UpperBounds-15 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D03N050-UpperBounds-09 201 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
[2024-05-26 07:05:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
RANDOM walk for 1000035 steps (2 resets) in 130 ms. (7633 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 791 ms. (5050 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
[2024-05-26 07:05:12] [INFO ] Invariant cache hit.
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:12] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:12] [INFO ] [Nat]Added 4 Read/Feed constraints in 4 ms returned sat
[2024-05-26 07:05:12] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:12] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 12 ms.
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:12] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:12] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 8 ms.
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:12] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:12] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 14 ms.
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:12] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:12] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:12] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:12] [INFO ] Invariant cache hit.
[2024-05-26 07:05:12] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-26 07:05:12] [INFO ] Invariant cache hit.
[2024-05-26 07:05:13] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:13] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2024-05-26 07:05:13] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:13] [INFO ] Invariant cache hit.
[2024-05-26 07:05:13] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 103ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40089 steps (8 resets) in 181 ms. (220 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 206 ms. (193 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 238 ms. (167 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 139 ms. (285 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 59 ms. (666 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 69 ms. (571 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 69 ms. (571 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 320686 steps, run timeout after 3001 ms. (steps per millisecond=106 ) properties seen :0 out of 8
Probabilistic random walk after 320686 steps, saw 183716 distinct states, run finished after 3004 ms. (steps per millisecond=106 ) properties seen :0
[2024-05-26 07:05:16] [INFO ] Invariant cache hit.
[2024-05-26 07:05:16] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 8 unsolved
[2024-05-26 07:05:16] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 7 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 4 solved, 4 unsolved in 103 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 4 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 4 solved, 4 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/8 constraints, Known Traps: 1/1 constraints]
After SMT, in 173ms problems are : Problem set: 4 solved, 4 unsolved
Parikh walk visited 0 properties in 3324 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:20] [INFO ] Invariant cache hit.
[2024-05-26 07:05:20] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 78ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 78ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 78 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40124 steps (8 resets) in 67 ms. (590 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 70 ms. (563 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 56 ms. (701 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 452257 steps, run timeout after 3001 ms. (steps per millisecond=150 ) properties seen :0 out of 4
Probabilistic random walk after 452257 steps, saw 254602 distinct states, run finished after 3001 ms. (steps per millisecond=150 ) properties seen :0
[2024-05-26 07:05:23] [INFO ] Invariant cache hit.
[2024-05-26 07:05:23] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
[2024-05-26 07:05:23] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 4 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 18 constraints, problems are : Problem set: 0 solved, 4 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 1/1 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 3210 ms.
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:26] [INFO ] Invariant cache hit.
[2024-05-26 07:05:26] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-26 07:05:26] [INFO ] Invariant cache hit.
[2024-05-26 07:05:26] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:26] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2024-05-26 07:05:26] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:26] [INFO ] Invariant cache hit.
[2024-05-26 07:05:26] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 93ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 94ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 149 ms. Remains : 8/8 places, 12/12 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[204]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[204]
[2024-05-26 07:05:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10029 steps (2 resets) in 4 ms. (2005 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[204]
[2024-05-26 07:05:26] [INFO ] Invariant cache hit.
[2024-05-26 07:05:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:26] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:26] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:26] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:26] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:26] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:26] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:26] [INFO ] Invariant cache hit.
[2024-05-26 07:05:26] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 92ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 92ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 93 ms. Remains : 8/8 places, 12/12 transitions.
[2024-05-26 07:05:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[204]
RANDOM walk for 1000015 steps (2 resets) in 134 ms. (7407 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 208 ms. (4784 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[204]
[2024-05-26 07:05:27] [INFO ] Invariant cache hit.
[2024-05-26 07:05:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:27] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:27] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:27] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:27] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:27] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:27] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:27] [INFO ] Invariant cache hit.
[2024-05-26 07:05:27] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-26 07:05:27] [INFO ] Invariant cache hit.
[2024-05-26 07:05:27] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:27] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2024-05-26 07:05:27] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:27] [INFO ] Invariant cache hit.
[2024-05-26 07:05:27] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 92ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 92ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40109 steps (8 resets) in 23 ms. (1671 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 25 ms. (1538 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 1046406 steps, run timeout after 3001 ms. (steps per millisecond=348 ) properties seen :0 out of 2
Probabilistic random walk after 1046406 steps, saw 583050 distinct states, run finished after 3001 ms. (steps per millisecond=348 ) properties seen :0
[2024-05-26 07:05:30] [INFO ] Invariant cache hit.
[2024-05-26 07:05:30] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:05:30] [INFO ] Deduced a trap composed of 4 places in 21 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 1 solved, 1 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 1 solved, 1 unsolved in 28 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 90ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:30] [INFO ] Invariant cache hit.
[2024-05-26 07:05:30] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 81ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 81ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40165 steps (8 resets) in 13 ms. (2868 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3779285 steps, run timeout after 3001 ms. (steps per millisecond=1259 ) properties seen :0 out of 1
Probabilistic random walk after 3779285 steps, saw 2045308 distinct states, run finished after 3001 ms. (steps per millisecond=1259 ) properties seen :0
[2024-05-26 07:05:33] [INFO ] Invariant cache hit.
[2024-05-26 07:05:33] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-26 07:05:33] [INFO ] Deduced a trap composed of 4 places in 17 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 31 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 88ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 24 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:33] [INFO ] Invariant cache hit.
[2024-05-26 07:05:33] [INFO ] Implicit Places using invariants in 19 ms returned []
[2024-05-26 07:05:33] [INFO ] Invariant cache hit.
[2024-05-26 07:05:33] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:33] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2024-05-26 07:05:33] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:33] [INFO ] Invariant cache hit.
[2024-05-26 07:05:33] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 87ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 136 ms. Remains : 8/8 places, 12/12 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[199] Max Struct:[204]
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-01 in 7287 ms.
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[204]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[204]
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10019 steps (2 resets) in 3 ms. (2504 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[204]
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
[2024-05-26 07:05:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:34] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:34] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:34] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:34] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:34] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:34] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
[2024-05-26 07:05:34] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 88ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 89 ms. Remains : 8/8 places, 12/12 transitions.
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[197] Max Struct:[204]
RANDOM walk for 1000001 steps (2 resets) in 175 ms. (5681 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 196 ms. (5076 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[197] Max Struct:[204]
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
[2024-05-26 07:05:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:34] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:34] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:34] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:34] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-05-26 07:05:34] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:34] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[197] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
[2024-05-26 07:05:34] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
[2024-05-26 07:05:34] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:34] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2024-05-26 07:05:34] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
[2024-05-26 07:05:34] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 80ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 80ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 141 ms. Remains : 8/8 places, 12/12 transitions.
[2024-05-26 07:05:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[204]
RANDOM walk for 1000069 steps (2 resets) in 141 ms. (7042 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 189 ms. (5263 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[204]
[2024-05-26 07:05:35] [INFO ] Invariant cache hit.
[2024-05-26 07:05:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:35] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:35] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:35] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:35] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:35] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-05-26 07:05:35] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:35] [INFO ] Invariant cache hit.
[2024-05-26 07:05:35] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-26 07:05:35] [INFO ] Invariant cache hit.
[2024-05-26 07:05:35] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:35] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2024-05-26 07:05:35] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:35] [INFO ] Invariant cache hit.
[2024-05-26 07:05:35] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 82ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 83ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40110 steps (8 resets) in 19 ms. (2005 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 18 ms. (2105 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 16 ms. (2353 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 990733 steps, run timeout after 3001 ms. (steps per millisecond=330 ) properties seen :0 out of 2
Probabilistic random walk after 990733 steps, saw 552098 distinct states, run finished after 3004 ms. (steps per millisecond=329 ) properties seen :0
[2024-05-26 07:05:38] [INFO ] Invariant cache hit.
[2024-05-26 07:05:38] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:05:38] [INFO ] Deduced a trap composed of 4 places in 19 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 1 solved, 1 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 1 solved, 1 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 108ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:38] [INFO ] Invariant cache hit.
[2024-05-26 07:05:38] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 97ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 97ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40131 steps (8 resets) in 11 ms. (3344 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 16 ms. (2353 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3069638 steps, run timeout after 3001 ms. (steps per millisecond=1022 ) properties seen :0 out of 1
Probabilistic random walk after 3069638 steps, saw 1664233 distinct states, run finished after 3001 ms. (steps per millisecond=1022 ) properties seen :0
[2024-05-26 07:05:41] [INFO ] Invariant cache hit.
[2024-05-26 07:05:41] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-26 07:05:41] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 107ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:41] [INFO ] Invariant cache hit.
[2024-05-26 07:05:41] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-26 07:05:41] [INFO ] Invariant cache hit.
[2024-05-26 07:05:41] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:41] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2024-05-26 07:05:41] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:41] [INFO ] Invariant cache hit.
[2024-05-26 07:05:41] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 83ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 83ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 8/8 places, 12/12 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[199] Max Struct:[204]
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-02 in 7926 ms.
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[204]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[204]
[2024-05-26 07:05:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10005 steps (2 resets) in 2 ms. (3335 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[204]
[2024-05-26 07:05:41] [INFO ] Invariant cache hit.
[2024-05-26 07:05:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:41] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:41] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:41] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:41] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:41] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-05-26 07:05:42] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 16 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:42] [INFO ] Invariant cache hit.
[2024-05-26 07:05:42] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 100ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 101ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101 ms. Remains : 8/8 places, 12/12 transitions.
[2024-05-26 07:05:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[197] Max Struct:[204]
RANDOM walk for 1000029 steps (2 resets) in 120 ms. (8264 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 227 ms. (4385 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[197] Max Struct:[204]
[2024-05-26 07:05:42] [INFO ] Invariant cache hit.
[2024-05-26 07:05:42] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:42] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2024-05-26 07:05:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:42] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:42] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:42] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:42] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[197] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[197] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:42] [INFO ] Invariant cache hit.
[2024-05-26 07:05:42] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-26 07:05:42] [INFO ] Invariant cache hit.
[2024-05-26 07:05:42] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:42] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2024-05-26 07:05:42] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:42] [INFO ] Invariant cache hit.
[2024-05-26 07:05:42] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 94ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 95ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 149 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40106 steps (8 resets) in 24 ms. (1604 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 13 ms. (2857 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 737365 steps, run timeout after 3001 ms. (steps per millisecond=245 ) properties seen :0 out of 2
Probabilistic random walk after 737365 steps, saw 411072 distinct states, run finished after 3001 ms. (steps per millisecond=245 ) properties seen :0
[2024-05-26 07:05:45] [INFO ] Invariant cache hit.
[2024-05-26 07:05:45] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:05:45] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 0 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 1 solved, 1 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 1 solved, 1 unsolved in 28 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 83ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 3218 steps, including 24 resets, run visited all 1 properties in 4 ms. (steps per millisecond=804 )
Parikh walk visited 1 properties in 8 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[197] Max Struct:[204]
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-08 in 3901 ms.
Starting property specific reduction for PGCD-PT-D03N050-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[204]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[204]
[2024-05-26 07:05:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10036 steps (2 resets) in 2 ms. (3345 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 3 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[204]
[2024-05-26 07:05:45] [INFO ] Invariant cache hit.
[2024-05-26 07:05:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-26 07:05:45] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-05-26 07:05:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:45] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-05-26 07:05:45] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:45] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:45] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:45] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:45] [INFO ] Invariant cache hit.
[2024-05-26 07:05:45] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 131ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132 ms. Remains : 8/8 places, 12/12 transitions.
[2024-05-26 07:05:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[204]
RANDOM walk for 1000014 steps (2 resets) in 183 ms. (5434 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 226 ms. (4405 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[204]
[2024-05-26 07:05:46] [INFO ] Invariant cache hit.
[2024-05-26 07:05:46] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:46] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-05-26 07:05:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-26 07:05:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-26 07:05:46] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-05-26 07:05:46] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:46] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-05-26 07:05:46] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-05-26 07:05:46] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199] Max Struct:[204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199] Max Struct:[204]
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:46] [INFO ] Invariant cache hit.
[2024-05-26 07:05:46] [INFO ] Implicit Places using invariants in 22 ms returned []
[2024-05-26 07:05:46] [INFO ] Invariant cache hit.
[2024-05-26 07:05:46] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:46] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2024-05-26 07:05:46] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:46] [INFO ] Invariant cache hit.
[2024-05-26 07:05:46] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 91ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 149 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40057 steps (8 resets) in 46 ms. (852 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 58 ms. (678 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 36 ms. (1081 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 887823 steps, run timeout after 3001 ms. (steps per millisecond=295 ) properties seen :0 out of 2
Probabilistic random walk after 887823 steps, saw 497305 distinct states, run finished after 3001 ms. (steps per millisecond=295 ) properties seen :0
[2024-05-26 07:05:49] [INFO ] Invariant cache hit.
[2024-05-26 07:05:49] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-05-26 07:05:49] [INFO ] Deduced a trap composed of 4 places in 20 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 1 solved, 1 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 1 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 93ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:49] [INFO ] Invariant cache hit.
[2024-05-26 07:05:49] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 85ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 86 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40166 steps (8 resets) in 13 ms. (2869 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3515513 steps, run timeout after 3001 ms. (steps per millisecond=1171 ) properties seen :0 out of 1
Probabilistic random walk after 3515513 steps, saw 1909834 distinct states, run finished after 3001 ms. (steps per millisecond=1171 ) properties seen :0
[2024-05-26 07:05:52] [INFO ] Invariant cache hit.
[2024-05-26 07:05:52] [INFO ] State equation strengthened by 4 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) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-05-26 07:05:53] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 14 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 12/20 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/20 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 15 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 107ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 22 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 8/8 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8/8 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-05-26 07:05:53] [INFO ] Invariant cache hit.
[2024-05-26 07:05:53] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-26 07:05:53] [INFO ] Invariant cache hit.
[2024-05-26 07:05:53] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-05-26 07:05:53] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2024-05-26 07:05:53] [INFO ] Redundant transitions in 1 ms returned []
Running 4 sub problems to find dead transitions.
[2024-05-26 07:05:53] [INFO ] Invariant cache hit.
[2024-05-26 07:05:53] [INFO ] State equation strengthened by 4 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 20/20 variables, and 13 constraints, problems are : Problem set: 0 solved, 4 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 4/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 12/20 variables, 8/9 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/20 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 20/20 variables, and 17 constraints, problems are : Problem set: 0 solved, 4 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 8/8 constraints, ReadFeed: 4/4 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 83ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 83ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 8/8 places, 12/12 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[199] Max Struct:[204]
Ending property specific reduction for PGCD-PT-D03N050-UpperBounds-13 in 7414 ms.
[2024-05-26 07:05:53] [INFO ] Flatten gal took : 14 ms
[2024-05-26 07:05:53] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-26 07:05:53] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8 places, 12 transitions and 40 arcs took 2 ms.
Total runtime 54123 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running PGCD-PT-D03N050

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 8
TRANSITIONS: 12
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.001s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1197
MODEL NAME: /home/mcc/execution/413/model
8 places, 12 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Building monolithic NSF...
FORMULA PGCD-PT-D03N050-UpperBounds-01 199 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D03N050-UpperBounds-02 199 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D03N050-UpperBounds-08 199 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
FORMULA PGCD-PT-D03N050-UpperBounds-13 199 TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING UNFOLDING_TO_PT USE_NUPN TOPOLOGICAL
Ok.
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716707159068

--------------------
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

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="PGCD-PT-D03N050"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is PGCD-PT-D03N050, 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 r245-tall-171654350600765"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D03N050.tgz
mv PGCD-PT-D03N050 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 ;