MCC'2024- Execution of r508-tall-171654352300765

About the Execution of LTSMin+red for PGCD-PT-D03N050

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
1226.195	58229.00	102638.00	212.30	201 ? ? 201 201 201 201 201 ? 201 201 201 201 ? ? 201	normal

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.r508-tall-171654352300765.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is PGCD-PT-D03N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r508-tall-171654352300765
=====================================================================

--------------------
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 1717246007233

Invoking MCC driver with
BK_TOOL=ltsminxred
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 ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 12:46:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 12:46:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 12:46:48] [INFO ] Load time of PNML (sax parser for PT used): 31 ms
[2024-06-01 12:46:48] [INFO ] Transformed 12 places.
[2024-06-01 12:46:48] [INFO ] Transformed 12 transitions.
[2024-06-01 12:46:48] [INFO ] Parsed PT model containing 12 places and 12 transitions and 56 arcs in 125 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
[2024-06-01 12:46:48] [INFO ] Computed 5 invariants in 5 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 10027 steps (2 resets) in 16 ms. (589 steps per ms)
BEST_FIRST walk for 100009 steps (20 resets) in 83 ms. (1190 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[109, 151, 151, 81, 105, 105, 109, 151, 75, 151] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
[2024-06-01 12:46:48] [INFO ] Invariant cache hit.
[2024-06-01 12:46:48] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-06-01 12:46:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-06-01 12:46:48] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:46:48] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:48] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 12:46:48] [INFO ] Added : 0 causal constraints over 0 iterations in 12 ms. Result :sat
Minimization took 23 ms.
[2024-06-01 12:46:48] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:46:48] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-06-01 12:46:48] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:48] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:48] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 13 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:49] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 18 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:49] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 18 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 12:46:49] [INFO ] Added : 0 causal constraints over 0 iterations in 16 ms. Result :sat
Minimization took 25 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 15 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 5 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:49] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 20 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:49] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 21 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 12:46:49] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 24 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:49] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 27 ms.
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-06-01 12:46:49] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:49] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:49] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[109, 151, 151, 81, 105, 105, 109, 151, 75, 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, 197, 199, 201, 201, 201, 197, 201, 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 11 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Running 4 sub problems to find dead transitions.
[2024-06-01 12:46:50] [INFO ] Invariant cache hit.
[2024-06-01 12:46:50] [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 59 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 55 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 142ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 150ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 173 ms. Remains : 12/12 places, 12/12 transitions.
[2024-06-01 12:46:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[201, 199, 197, 199, 201, 201, 201, 197, 201, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
RANDOM walk for 1000035 steps (2 resets) in 207 ms. (4807 steps per ms)
BEST_FIRST walk for 10000006 steps (20 resets) in 2840 ms. (3519 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201, 199, 197, 199, 201, 201, 201, 197, 201, 197] Max Struct:[204, 204, 204, 204, 204, 204, 204, 204, 204, 204]
[2024-06-01 12:46:53] [INFO ] Invariant cache hit.
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:46:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using state equation in 28 ms returned unsat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-06-01 12:46:53] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:46:53] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:53] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 12:46:53] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:53] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 13 ms.
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:53] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 12:46:53] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using state equation in 5 ms returned unsat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:53] [INFO ] [Nat]Absence check using state equation in 4 ms returned unsat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using state equation in 6 ms returned unsat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:54] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 7 ms.
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-06-01 12:46:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using state equation in 14 ms returned unsat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:54] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:54] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:54] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 13 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201, 199, 197, 199, 201, 201, 201, 197, 201, 197] Max Struct:[201, 204, 204, 204, 201, 201, 201, 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
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-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-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, 200, 197, 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 3 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 4 ms. Remains : 12/12 places, 12/12 transitions.
[2024-06-01 12:46:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 197, 200, 197, 197] Max Struct:[204, 204, 204, 204, 204]
RANDOM walk for 1000028 steps (2 resets) in 156 ms. (6369 steps per ms)
BEST_FIRST walk for 5000004 steps (10 resets) in 1259 ms. (3968 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 197, 200, 197, 197] Max Struct:[204, 204, 204, 204, 204]
[2024-06-01 12:46:55] [INFO ] Invariant cache hit.
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:55] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:46:55] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:55] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:46:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:55] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:55] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 9 ms.
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:55] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:46:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:55] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:56] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 10 ms.
[2024-06-01 12:46:56] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 0 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:56] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:46:56] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:56] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:56] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:56] [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, 197, 200, 197, 197] Max Struct:[204, 204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 197, 201, 197, 199] 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 0 ms. Remains 12 /12 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-06-01 12:46:56] [INFO ] Invariant cache hit.
[2024-06-01 12:46:56] [INFO ] Implicit Places using invariants in 37 ms returned [9, 10, 11]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 40 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 9/12 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 41 ms. Remains : 9/12 places, 12/12 transitions.
// Phase 1: matrix 12 rows 9 cols
[2024-06-01 12:46:56] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[199, 197, 201, 197, 199] Max Struct:[204, 204, 204, 204, 204]
RANDOM walk for 1000030 steps (2 resets) in 130 ms. (7633 steps per ms)
BEST_FIRST walk for 5000003 steps (10 resets) in 1123 ms. (4448 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 197, 201, 197, 199] Max Struct:[204, 204, 204, 204, 204]
[2024-06-01 12:46:57] [INFO ] Invariant cache hit.
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:57] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:46:57] [INFO ] [Nat]Added 4 Read/Feed constraints in 4 ms returned sat
[2024-06-01 12:46:57] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 12:46:57] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 9 ms.
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Added 4 Read/Feed constraints in 3 ms returned sat
[2024-06-01 12:46:57] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:57] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using state equation in 4 ms returned unsat
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:57] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:57] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 7 ms.
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:57] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:57] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:57] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[199, 197, 201, 197, 199] Max Struct:[204, 204, 201, 204, 204]
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, 199, 197, 199] Max Struct:[204, 204, 204, 204]
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 9/9 places, 12/12 transitions.
[2024-06-01 12:46:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 197, 199] Max Struct:[204, 204, 204, 204]
RANDOM walk for 1000009 steps (2 resets) in 141 ms. (7042 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 887 ms. (4504 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 197, 199] Max Struct:[204, 204, 204, 204]
[2024-06-01 12:46:59] [INFO ] Invariant cache hit.
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:46:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:59] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:46:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:59] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 11 ms.
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:46:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:46:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:46:59] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 9 ms.
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 12:46:59] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:46:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2024-06-01 12:46:59] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:46:59] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 12:46:59] [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:[199, 199, 197, 199] Max Struct:[204, 204, 204, 204]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[199, 199, 197, 199] Max Struct:[204, 204, 204, 204]
Support contains 4 out of 9 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 12/12 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 9/9 places, 12/12 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 12/12 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-06-01 12:46:59] [INFO ] Invariant cache hit.
[2024-06-01 12:46:59] [INFO ] Implicit Places using invariants in 22 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 8/9 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 24 ms. Remains : 8/9 places, 12/12 transitions.
// Phase 1: matrix 12 rows 8 cols
[2024-06-01 12:46:59] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[199, 199, 197, 199] Max Struct:[204, 204, 204, 204]
RANDOM walk for 1000041 steps (2 resets) in 126 ms. (7874 steps per ms)
BEST_FIRST walk for 4000002 steps (8 resets) in 807 ms. (4950 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 197, 199] Max Struct:[204, 204, 204, 204]
[2024-06-01 12:47:00] [INFO ] Invariant cache hit.
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2024-06-01 12:47:00] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:47:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 2 ms.
[2024-06-01 12:47:00] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:00] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:00] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 9 ms.
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:00] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:00] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:00] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:00] [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, 197, 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 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.
[2024-06-01 12:47:00] [INFO ] Invariant cache hit.
[2024-06-01 12:47:00] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 12:47:00] [INFO ] Invariant cache hit.
[2024-06-01 12:47:00] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:00] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2024-06-01 12:47:00] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:00] [INFO ] Invariant cache hit.
[2024-06-01 12:47:00] [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 48 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 93ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 151 ms. Remains : 8/8 places, 12/12 transitions.
[2024-06-01 12:47:00] [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 1000016 steps (2 resets) in 128 ms. (7752 steps per ms)
BEST_FIRST walk for 4000002 steps (8 resets) in 808 ms. (4944 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199, 199, 199, 199] Max Struct:[204, 204, 204, 204]
[2024-06-01 12:47:01] [INFO ] Invariant cache hit.
[2024-06-01 12:47:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:47:01] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:01] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:47:01] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:01] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:47:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:01] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 0 ms.
[2024-06-01 12:47:01] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 7 ms.
[2024-06-01 12:47:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2024-06-01 12:47:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:47:01] [INFO ] [Nat]Added 4 Read/Feed constraints in 0 ms returned sat
[2024-06-01 12:47:01] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:01] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
[2024-06-01 12:47:02] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:02] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:47:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:02] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:02] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:02] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:02] [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, 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 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.
[2024-06-01 12:47:02] [INFO ] Invariant cache hit.
[2024-06-01 12:47:02] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-06-01 12:47:02] [INFO ] Invariant cache hit.
[2024-06-01 12:47:02] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:02] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2024-06-01 12:47:02] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:02] [INFO ] Invariant cache hit.
[2024-06-01 12:47:02] [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 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]
After SMT, in 96ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 96ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 156 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40070 steps (8 resets) in 205 ms. (194 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 371 ms. (107 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 166 ms. (239 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 101 ms. (392 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 77 ms. (512 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40001 steps (8 resets) in 85 ms. (465 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40002 steps (8 resets) in 66 ms. (597 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 64 ms. (615 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 339439 steps, run timeout after 3001 ms. (steps per millisecond=113 ) properties seen :0 out of 8
Probabilistic random walk after 339439 steps, saw 194959 distinct states, run finished after 3004 ms. (steps per millisecond=112 ) properties seen :0
[2024-06-01 12:47:05] [INFO ] Invariant cache hit.
[2024-06-01 12:47:05] [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
[2024-06-01 12:47:05] [INFO ] Deduced a trap composed of 4 places in 146 ms of which 126 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 208 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 59 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 272ms problems are : Problem set: 4 solved, 4 unsolved
Parikh walk visited 0 properties in 2858 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.
[2024-06-01 12:47:08] [INFO ] Invariant cache hit.
[2024-06-01 12:47:08] [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 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]
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 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]
After SMT, in 102ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40105 steps (8 resets) in 48 ms. (818 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 40 ms. (975 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (8 resets) in 74 ms. (533 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 520209 steps, run timeout after 3001 ms. (steps per millisecond=173 ) properties seen :0 out of 4
Probabilistic random walk after 520209 steps, saw 293170 distinct states, run finished after 3001 ms. (steps per millisecond=173 ) properties seen :0
[2024-06-01 12:47:12] [INFO ] Invariant cache hit.
[2024-06-01 12:47:12] [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
[2024-06-01 12:47:12] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 2 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 83 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 56 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 146ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 2908 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 1 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:15] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2024-06-01 12:47:15] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [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 37 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 79ms 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 133 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]
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10023 steps (2 resets) in 3 ms. (2505 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 3 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[204]
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:15] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:15] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:15] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:15] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:47:15] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:15] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 21 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.
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [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 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 86ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 86ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 8/8 places, 12/12 transitions.
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[197] Max Struct:[204]
RANDOM walk for 1000100 steps (2 resets) in 127 ms. (7813 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 200 ms. (4975 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[197] Max Struct:[204]
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:15] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:47:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:15] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:47:15] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:15] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:15] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:15] [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:[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 3 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 3 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.
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:15] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2024-06-01 12:47:15] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:15] [INFO ] Invariant cache hit.
[2024-06-01 12:47:15] [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 37 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 77ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 77ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 138 ms. Remains : 8/8 places, 12/12 transitions.
[2024-06-01 12:47:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[204]
RANDOM walk for 1000031 steps (2 resets) in 123 ms. (8064 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 201 ms. (4950 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[204]
[2024-06-01 12:47:16] [INFO ] Invariant cache hit.
[2024-06-01 12:47:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:16] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:16] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:47:16] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:16] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:16] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 10 ms.
[2024-06-01 12:47:16] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 12 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 15 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-06-01 12:47:16] [INFO ] Invariant cache hit.
[2024-06-01 12:47:16] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 12:47:16] [INFO ] Invariant cache hit.
[2024-06-01 12:47:16] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:16] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2024-06-01 12:47:16] [INFO ] Redundant transitions in 1 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:16] [INFO ] Invariant cache hit.
[2024-06-01 12:47:16] [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, 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 55 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 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]
After SMT, in 115ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 201 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40103 steps (8 resets) in 19 ms. (2005 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 856282 steps, run timeout after 3001 ms. (steps per millisecond=285 ) properties seen :0 out of 2
Probabilistic random walk after 856282 steps, saw 478643 distinct states, run finished after 3001 ms. (steps per millisecond=285 ) properties seen :0
[2024-06-01 12:47:19] [INFO ] Invariant cache hit.
[2024-06-01 12:47:19] [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
[2024-06-01 12:47:19] [INFO ] Deduced a trap composed of 4 places in 23 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 63 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 29 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 96ms 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.
[2024-06-01 12:47:19] [INFO ] Invariant cache hit.
[2024-06-01 12:47:19] [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 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 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 81 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40109 steps (8 resets) in 16 ms. (2359 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3125535 steps, run timeout after 3001 ms. (steps per millisecond=1041 ) properties seen :0 out of 1
Probabilistic random walk after 3125535 steps, saw 1693338 distinct states, run finished after 3001 ms. (steps per millisecond=1041 ) properties seen :0
[2024-06-01 12:47:22] [INFO ] Invariant cache hit.
[2024-06-01 12:47:22] [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
[2024-06-01 12:47:22] [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 50 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 32 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 95ms problems are : Problem set: 0 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 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.
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:23] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2024-06-01 12:47:23] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [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
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 48 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 96ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 96ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150 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 7879 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]
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10039 steps (2 resets) in 2 ms. (3346 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]
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-06-01 12:47:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:23] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:23] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:23] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:47:23] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:23] [INFO ] Added : 1 causal constraints over 1 iterations in 6 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:[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.
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [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
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 37 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.
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[204]
RANDOM walk for 1000034 steps (2 resets) in 172 ms. (5780 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 214 ms. (4651 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[204]
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 12:47:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:23] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:47:23] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:23] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:47:23] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:23] [INFO ] Added : 1 causal constraints over 1 iterations in 4 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 2 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 2 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.
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:23] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2024-06-01 12:47:23] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:23] [INFO ] Invariant cache hit.
[2024-06-01 12:47:23] [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
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 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 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 137 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40145 steps (8 resets) in 30 ms. (1295 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 39 ms. (1000 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 778230 steps, run timeout after 3001 ms. (steps per millisecond=259 ) properties seen :0 out of 2
Probabilistic random walk after 778230 steps, saw 434812 distinct states, run finished after 3001 ms. (steps per millisecond=259 ) properties seen :0
[2024-06-01 12:47:27] [INFO ] Invariant cache hit.
[2024-06-01 12:47:27] [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
[2024-06-01 12:47:27] [INFO ] Deduced a trap composed of 4 places in 16 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 55 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 89ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 26 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.
[2024-06-01 12:47:27] [INFO ] Invariant cache hit.
[2024-06-01 12:47:27] [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 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 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 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 84 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40096 steps (8 resets) in 17 ms. (2227 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2955014 steps, run timeout after 3032 ms. (steps per millisecond=974 ) properties seen :0 out of 1
Probabilistic random walk after 2955014 steps, saw 1604514 distinct states, run finished after 3032 ms. (steps per millisecond=974 ) properties seen :0
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
[2024-06-01 12:47:30] [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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2024-06-01 12:47:30] [INFO ] Deduced a trap composed of 4 places in 21 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 55 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 30 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 91ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 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.
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
[2024-06-01 12:47:30] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
[2024-06-01 12:47:30] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:30] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2024-06-01 12:47:30] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
[2024-06-01 12:47:30] [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 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 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 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 142 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 7338 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]
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10001 steps (2 resets) in 2 ms. (3333 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]
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
[2024-06-01 12:47:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:30] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2024-06-01 12:47:30] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:30] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:30] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:30] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:47:30] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:30] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 15 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.
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
[2024-06-01 12:47:30] [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 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 37 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 79ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 79ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 8/8 places, 12/12 transitions.
[2024-06-01 12:47:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[204]
RANDOM walk for 1000042 steps (2 resets) in 123 ms. (8064 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 212 ms. (4694 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[204]
[2024-06-01 12:47:31] [INFO ] Invariant cache hit.
[2024-06-01 12:47:31] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:31] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:31] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:31] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:31] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:31] [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] 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 0 ms. Remains 8 /8 variables (removed 0) and now considering 12/12 (removed 0) transitions.
[2024-06-01 12:47:31] [INFO ] Invariant cache hit.
[2024-06-01 12:47:31] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 12:47:31] [INFO ] Invariant cache hit.
[2024-06-01 12:47:31] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:31] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2024-06-01 12:47:31] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:31] [INFO ] Invariant cache hit.
[2024-06-01 12:47:31] [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 37 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 75ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 75ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40142 steps (8 resets) in 20 ms. (1911 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 40003 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 887966 steps, run timeout after 3001 ms. (steps per millisecond=295 ) properties seen :0 out of 2
Probabilistic random walk after 887966 steps, saw 497393 distinct states, run finished after 3001 ms. (steps per millisecond=295 ) properties seen :0
[2024-06-01 12:47:34] [INFO ] Invariant cache hit.
[2024-06-01 12:47:34] [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
[2024-06-01 12:47:34] [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 59 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 30 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 98ms 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.
[2024-06-01 12:47:34] [INFO ] Invariant cache hit.
[2024-06-01 12:47:34] [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 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]
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 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 40076 steps (8 resets) in 17 ms. (2226 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3699346 steps, run timeout after 3001 ms. (steps per millisecond=1232 ) properties seen :0 out of 1
Probabilistic random walk after 3699346 steps, saw 2002767 distinct states, run finished after 3001 ms. (steps per millisecond=1232 ) properties seen :0
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
[2024-06-01 12:47:37] [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
[2024-06-01 12:47:37] [INFO ] Deduced a trap composed of 4 places in 21 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 59 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 39 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 101ms 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 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.
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
[2024-06-01 12:47:37] [INFO ] Implicit Places using invariants in 24 ms returned []
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
[2024-06-01 12:47:37] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:37] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2024-06-01 12:47:37] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
[2024-06-01 12:47:37] [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 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]
After SMT, in 90ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 90ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 146 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-08 in 7251 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]
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[204]
RANDOM walk for 10033 steps (2 resets) in 5 ms. (1672 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151] Max Struct:[204]
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
[2024-06-01 12:47:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:37] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2024-06-01 12:47:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:37] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2024-06-01 12:47:37] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:37] [INFO ] [Nat]Added 4 Read/Feed constraints in 1 ms returned sat
[2024-06-01 12:47:37] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:37] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 13 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.
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
[2024-06-01 12:47:37] [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 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]
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 92 ms. Remains : 8/8 places, 12/12 transitions.
[2024-06-01 12:47:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[199] Max Struct:[204]
RANDOM walk for 1000023 steps (2 resets) in 196 ms. (5076 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 201 ms. (4950 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[199] Max Struct:[204]
[2024-06-01 12:47:38] [INFO ] Invariant cache hit.
[2024-06-01 12:47:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-06-01 12:47:38] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2024-06-01 12:47:38] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 12:47:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-06-01 12:47:38] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2024-06-01 12:47:38] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:38] [INFO ] [Nat]Added 4 Read/Feed constraints in 2 ms returned sat
[2024-06-01 12:47:38] [INFO ] Computed and/alt/rep : 4/8/4 causal constraints (skipped 0 transitions) in 1 ms.
[2024-06-01 12:47:38] [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] 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.
[2024-06-01 12:47:38] [INFO ] Invariant cache hit.
[2024-06-01 12:47:38] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-06-01 12:47:38] [INFO ] Invariant cache hit.
[2024-06-01 12:47:38] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:38] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2024-06-01 12:47:38] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:38] [INFO ] Invariant cache hit.
[2024-06-01 12:47:38] [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 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 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]
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 131 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40083 steps (8 resets) in 16 ms. (2357 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 18 ms. (2105 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 989024 steps, run timeout after 3001 ms. (steps per millisecond=329 ) properties seen :0 out of 2
Probabilistic random walk after 989024 steps, saw 551012 distinct states, run finished after 3001 ms. (steps per millisecond=329 ) properties seen :0
[2024-06-01 12:47:41] [INFO ] Invariant cache hit.
[2024-06-01 12:47:41] [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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 7/8 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2024-06-01 12:47:41] [INFO ] Deduced a trap composed of 4 places in 20 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 49 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 29 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 80ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 21 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.
[2024-06-01 12:47:41] [INFO ] Invariant cache hit.
[2024-06-01 12:47:41] [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 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 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 82ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 8/8 places, 12/12 transitions.
RANDOM walk for 40119 steps (8 resets) in 14 ms. (2674 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3377109 steps, run timeout after 3001 ms. (steps per millisecond=1125 ) properties seen :0 out of 1
Probabilistic random walk after 3377109 steps, saw 1832883 distinct states, run finished after 3001 ms. (steps per millisecond=1125 ) properties seen :0
[2024-06-01 12:47:44] [INFO ] Invariant cache hit.
[2024-06-01 12:47:44] [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
[2024-06-01 12:47:44] [INFO ] Deduced a trap composed of 4 places in 15 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 51 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 33 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 93ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 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 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.
[2024-06-01 12:47:44] [INFO ] Invariant cache hit.
[2024-06-01 12:47:44] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-06-01 12:47:44] [INFO ] Invariant cache hit.
[2024-06-01 12:47:44] [INFO ] State equation strengthened by 4 read => feed constraints.
[2024-06-01 12:47:44] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
[2024-06-01 12:47:44] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2024-06-01 12:47:44] [INFO ] Invariant cache hit.
[2024-06-01 12:47:44] [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 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 95ms 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 150 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 7306 ms.
[2024-06-01 12:47:45] [INFO ] Flatten gal took : 16 ms
[2024-06-01 12:47:45] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-06-01 12:47:45] [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 56914 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : PGCD-PT-D03N050-UpperBounds-01
Could not compute solution for formula : PGCD-PT-D03N050-UpperBounds-02
Could not compute solution for formula : PGCD-PT-D03N050-UpperBounds-08
Could not compute solution for formula : PGCD-PT-D03N050-UpperBounds-13

BK_STOP 1717246065462

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name PGCD-PT-D03N050-UpperBounds-01
ub formula formula --maxsum=/tmp/1219/ub_0_
ub formula name PGCD-PT-D03N050-UpperBounds-02
ub formula formula --maxsum=/tmp/1219/ub_1_
ub formula name PGCD-PT-D03N050-UpperBounds-08
ub formula formula --maxsum=/tmp/1219/ub_2_
ub formula name PGCD-PT-D03N050-UpperBounds-13
ub formula formula --maxsum=/tmp/1219/ub_3_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PGCD-PT-D03N050"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is 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 r508-tall-171654352300765"
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 ;