fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r072-tall-174860067500445
Last Updated
June 24, 2025

About the Execution of ITS-Tools for DNAwalker-PT-16redondantChoiceR

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 2960905.00 0.00 0.00 2 2 2 2 2 2 1 2 1 2 2 2 1 2 2 2 normal

Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r072-tall-174860067500445.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is DNAwalker-PT-16redondantChoiceR, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r072-tall-174860067500445
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 692K
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 19 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 211K May 29 14:32 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-00
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-01
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-02
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-03
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-04
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-05
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-06
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-07
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-08
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-09
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-10
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-11
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-12
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-13
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-14
FORMULA_NAME DNAwalker-PT-16redondantChoiceR-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748722375909

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-16redondantChoiceR
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-05-31 20:12:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-31 20:12:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-31 20:12:57] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2025-05-31 20:12:57] [INFO ] Transformed 43 places.
[2025-05-31 20:12:57] [INFO ] Transformed 490 transitions.
[2025-05-31 20:12:57] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 169 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 2, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 1, 2, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 20:12:57] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
// Phase 1: matrix 489 rows 43 cols
[2025-05-31 20:12:57] [INFO ] Computed 0 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 2, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (387 resets) in 93 ms. (106 steps per ms)
BEST_FIRST walk for 160016 steps (426 resets) in 233 ms. (683 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 20:12:57] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2025-05-31 20:12:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:12:57] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2025-05-31 20:12:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:12:59] [INFO ] [Nat]Absence check using state equation in 1075 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:12:59] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2025-05-31 20:12:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:00] [INFO ] [Nat]Absence check using state equation in 1066 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:00] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2025-05-31 20:13:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:01] [INFO ] [Nat]Absence check using state equation in 1059 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:01] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-05-31 20:13:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:02] [INFO ] [Nat]Absence check using state equation in 1059 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:02] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2025-05-31 20:13:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:03] [INFO ] [Nat]Absence check using state equation in 1058 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:03] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2025-05-31 20:13:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:04] [INFO ] [Nat]Absence check using state equation in 1060 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:05] [INFO ] [Real]Absence check using state equation in 52 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:05] [INFO ] [Real]Absence check using state equation in 60 ms returned sat
[2025-05-31 20:13:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:06] [INFO ] [Nat]Absence check using state equation in 1057 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:06] [INFO ] [Real]Absence check using state equation in 49 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:06] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2025-05-31 20:13:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:07] [INFO ] [Nat]Absence check using state equation in 1055 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:07] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2025-05-31 20:13:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:08] [INFO ] [Nat]Absence check using state equation in 1061 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:08] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2025-05-31 20:13:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:09] [INFO ] [Nat]Absence check using state equation in 1056 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:09] [INFO ] [Real]Absence check using state equation in 49 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:09] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 20:13:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:11] [INFO ] [Nat]Absence check using state equation in 1057 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:11] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:13:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:12] [INFO ] [Nat]Absence check using state equation in 1057 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:12] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:13:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:13:13] [INFO ] [Nat]Absence check using state equation in 1056 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 1, 2, 1, 2, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, 1, +inf, 1, +inf, +inf, +inf, 1, +inf, +inf, +inf]
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 12 place count 43 transition count 478
Reduce places removed 6 places and 6 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 37 transition count 472
Applied a total of 18 rules in 49 ms. Remains 37 /43 variables (removed 6) and now considering 472/490 (removed 18) transitions.
Running 463 sub problems to find dead transitions.
// Phase 1: matrix 472 rows 37 cols
[2025-05-31 20:13:13] [INFO ] Computed 0 invariants in 9 ms
[2025-05-31 20:13:13] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 1 (OVERLAPS) 472/505 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 60/93 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/505 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 4 (OVERLAPS) 4/509 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/509 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 463 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 509/509 variables, and 97 constraints, problems are : Problem set: 0 solved, 463 unsolved in 20022 ms.
Refiners :[State Equation: 37/37 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 463/463 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 463 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/33 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 1 (OVERLAPS) 472/505 variables, 33/33 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/505 variables, 60/93 constraints. Problems are: Problem set: 0 solved, 463 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/505 variables, 463/556 constraints. Problems are: Problem set: 0 solved, 463 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 505/509 variables, and 556 constraints, problems are : Problem set: 0 solved, 463 unsolved in 20021 ms.
Refiners :[State Equation: 33/37 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 463/463 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40377ms problems are : Problem set: 0 solved, 463 unsolved
Search for dead transitions found 0 dead transitions in 40390ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40454 ms. Remains : 37/43 places, 472/490 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:13:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (44121 resets) in 4422 ms. (226 steps per ms)
BEST_FIRST walk for 13000013 steps (52576 resets) in 10622 ms. (1223 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 20:14:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:09] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-31 20:14:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:18] [INFO ] [Nat]Absence check using state equation in 9062 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:18] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 20:14:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:27] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:27] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-31 20:14:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:36] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:36] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:14:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:45] [INFO ] [Nat]Absence check using state equation in 9057 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:45] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:14:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:54] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:14:54] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 20:14:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:03] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:04] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 20:15:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:13] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:13] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-05-31 20:15:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:22] [INFO ] [Nat]Absence check using state equation in 9058 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:22] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:15:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:31] [INFO ] [Nat]Absence check using state equation in 9054 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:31] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:15:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:40] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:40] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-31 20:15:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:49] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:49] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:15:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:58] [INFO ] [Nat]Absence check using state equation in 9059 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:15:59] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:15:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:08] [INFO ] [Nat]Absence check using state equation in 9053 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 472/472 transitions.
Applied a total of 0 rules in 16 ms. Remains 37 /37 variables (removed 0) and now considering 472/472 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 37/37 places, 472/472 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 472/472 transitions.
Applied a total of 0 rules in 6 ms. Remains 37 /37 variables (removed 0) and now considering 472/472 (removed 0) transitions.
[2025-05-31 20:16:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:16:08] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-31 20:16:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:16:08] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-05-31 20:16:08] [INFO ] Implicit Places using invariants and state equation in 657 ms returned [35]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Implicit Place search using SMT with State Equation took 705 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 36/37 places, 470/472 transitions.
Applied a total of 0 rules in 9 ms. Remains 36 /36 variables (removed 0) and now considering 470/470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 721 ms. Remains : 36/37 places, 470/472 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:16:08] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (41872 resets) in 4390 ms. (227 steps per ms)
BEST_FIRST walk for 13000013 steps (51253 resets) in 10365 ms. (1254 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2025-05-31 20:16:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:23] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-31 20:16:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:28] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:28] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:16:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:33] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:33] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 20:16:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:37] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:37] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-31 20:16:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:42] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:42] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 20:16:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:47] [INFO ] [Nat]Absence check using state equation in 4556 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:47] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-31 20:16:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:51] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:51] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:16:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:56] [INFO ] [Nat]Absence check using state equation in 4549 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:16:56] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:16:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:00] [INFO ] [Nat]Absence check using state equation in 4565 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:01] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:17:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:05] [INFO ] [Nat]Absence check using state equation in 4554 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:05] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:17:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:10] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:10] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-31 20:17:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:14] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:15] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:17:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:19] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:19] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-05-31 20:17:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:17:24] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 13 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Applied a total of 0 rules in 9 ms. Remains 36 /36 variables (removed 0) and now considering 470/470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 36/36 places, 470/470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Applied a total of 0 rules in 6 ms. Remains 36 /36 variables (removed 0) and now considering 470/470 (removed 0) transitions.
[2025-05-31 20:17:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:17:24] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-31 20:17:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:17:24] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-05-31 20:17:24] [INFO ] Implicit Places using invariants and state equation in 584 ms returned []
Implicit Place search using SMT with State Equation took 622 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:17:24] [INFO ] Redundant transitions in 32 ms returned []
Running 461 sub problems to find dead transitions.
[2025-05-31 20:17:25] [INFO ] Invariant cache hit.
[2025-05-31 20:17:25] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 470/502 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/502 variables, 60/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/502 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (OVERLAPS) 4/506 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 6 (OVERLAPS) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
No progress, stopping.
After SMT solving in domain Real declared 506/506 variables, and 96 constraints, problems are : Problem set: 0 solved, 461 unsolved in 25694 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 461 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 470/502 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/502 variables, 60/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/502 variables, 461/553 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/502 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 461 unsolved
SMT process timed out in 55935ms, After SMT, problems are : Problem set: 0 solved, 461 unsolved
Search for dead transitions found 0 dead transitions in 55938ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56610 ms. Remains : 36/36 places, 470/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:18:21] [INFO ] Flatten gal took : 99 ms
RANDOM walk for 40000 steps (1659 resets) in 1319 ms. (30 steps per ms) remains 13/13 properties
[2025-05-31 20:18:21] [INFO ] Flatten gal took : 37 ms
BEST_FIRST walk for 40004 steps (146 resets) in 155 ms. (256 steps per ms) remains 13/13 properties
[2025-05-31 20:18:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13059557793420333455.gal : 39 ms
[2025-05-31 20:18:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13939771902533117311.prop : 1 ms
BEST_FIRST walk for 40004 steps (138 resets) in 145 ms. (274 steps per ms) remains 13/13 properties
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13059557793420333455.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13939771902533117311.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (148 resets) in 137 ms. (289 steps per ms) remains 13/13 properties
Loading property file /tmp/ReachabilityCardinality13939771902533117311.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :9 after 81
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :81 after 584
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :584 after 2179
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :2179 after 2491
BEST_FIRST walk for 40004 steps (168 resets) in 151 ms. (263 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :2491 after 11298
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :11298 after 20394
BEST_FIRST walk for 40003 steps (153 resets) in 132 ms. (300 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :20394 after 47602
BEST_FIRST walk for 40004 steps (146 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :47602 after 245668
BEST_FIRST walk for 40004 steps (149 resets) in 100 ms. (396 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (150 resets) in 90 ms. (439 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (249 resets) in 98 ms. (404 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (150 resets) in 86 ms. (459 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :245668 after 1.47825e+06
BEST_FIRST walk for 40004 steps (143 resets) in 94 ms. (421 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (134 resets) in 78 ms. (506 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (143 resets) in 87 ms. (454 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :1.47825e+06 after 3.27851e+06
SDD proceeding with computation,13 properties remain. new max is 8192
SDD size :3.27851e+06 after 1.86899e+07
SDD proceeding with computation,13 properties remain. new max is 16384
SDD size :1.86899e+07 after 4.18442e+07
Interrupted probabilistic random walk after 513274 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 13
Probabilistic random walk after 513274 steps, saw 117812 distinct states, run finished after 3006 ms. (steps per millisecond=170 ) properties seen :0
[2025-05-31 20:18:24] [INFO ] Invariant cache hit.
[2025-05-31 20:18:24] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 298/311 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 60/73 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 195/506 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 506/506 variables, and 96 constraints, problems are : Problem set: 0 solved, 13 unsolved in 500 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 298/311 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 60/73 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 13 unsolved
SDD proceeding with computation,13 properties remain. new max is 32768
SDD size :4.18442e+07 after 9.00481e+07
SDD proceeding with computation,13 properties remain. new max is 65536
SDD size :9.00481e+07 after 3.71227e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 506/506 variables, and 97 constraints, problems are : Problem set: 0 solved, 13 unsolved in 5011 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5520ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Applied a total of 0 rules in 8 ms. Remains 36 /36 variables (removed 0) and now considering 470/470 (removed 0) transitions.
Running 461 sub problems to find dead transitions.
[2025-05-31 20:18:30] [INFO ] Invariant cache hit.
[2025-05-31 20:18:30] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 470/502 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/502 variables, 60/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
SDD proceeding with computation,13 properties remain. new max is 131072
SDD size :3.71227e+08 after 3.38897e+09
At refinement iteration 3 (INCLUDED_ONLY) 0/502 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (OVERLAPS) 4/506 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 506/506 variables, and 96 constraints, problems are : Problem set: 0 solved, 461 unsolved in 20016 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 461 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 470/502 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
SDD proceeding with computation,13 properties remain. new max is 262144
SDD size :3.38897e+09 after 2.2837e+10
At refinement iteration 2 (INCLUDED_ONLY) 0/502 variables, 60/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/502 variables, 461/553 constraints. Problems are: Problem set: 0 solved, 461 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 502/506 variables, and 553 constraints, problems are : Problem set: 0 solved, 461 unsolved in 20019 ms.
Refiners :[State Equation: 32/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40224ms problems are : Problem set: 0 solved, 461 unsolved
Search for dead transitions found 0 dead transitions in 40227ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40237 ms. Remains : 36/36 places, 470/470 transitions.
RANDOM walk for 40000 steps (1689 resets) in 908 ms. (44 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (146 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (142 resets) in 80 ms. (493 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (145 resets) in 57 ms. (689 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (166 resets) in 71 ms. (555 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (156 resets) in 77 ms. (512 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (143 resets) in 64 ms. (615 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (155 resets) in 85 ms. (465 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (146 resets) in 56 ms. (701 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (253 resets) in 61 ms. (645 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (152 resets) in 62 ms. (634 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (147 resets) in 101 ms. (392 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (137 resets) in 55 ms. (714 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (141 resets) in 58 ms. (678 steps per ms) remains 13/13 properties
Detected timeout of ITS tools.
[2025-05-31 20:19:11] [INFO ] Flatten gal took : 45 ms
[2025-05-31 20:19:11] [INFO ] Applying decomposition
[2025-05-31 20:19:11] [INFO ] Flatten gal took : 43 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph1002181684924100946.txt' '-o' '/tmp/graph1002181684924100946.bin' '-w' '/tmp/graph1002181684924100946.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1002181684924100946.bin' '-l' '-1' '-v' '-w' '/tmp/graph1002181684924100946.weights' '-q' '0' '-e' '0.001'
[2025-05-31 20:19:11] [INFO ] Decomposing Gal with order
[2025-05-31 20:19:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 20:19:11] [INFO ] Removed a total of 861 redundant transitions.
[2025-05-31 20:19:11] [INFO ] Flatten gal took : 83 ms
[2025-05-31 20:19:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 6 ms.
[2025-05-31 20:19:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality397821924953982692.gal : 6 ms
[2025-05-31 20:19:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11139619716306792925.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality397821924953982692.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11139619716306792925.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality11139619716306792925.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 603668
Interrupted probabilistic random walk after 496310 steps, run timeout after 3001 ms. (steps per millisecond=165 ) properties seen :0 out of 13
Probabilistic random walk after 496310 steps, saw 114230 distinct states, run finished after 3001 ms. (steps per millisecond=165 ) properties seen :0
[2025-05-31 20:19:14] [INFO ] Invariant cache hit.
[2025-05-31 20:19:14] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 298/311 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 60/73 constraints. Problems are: Problem set: 0 solved, 13 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (OVERLAPS) 195/506 variables, 23/96 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 6 (OVERLAPS) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 13 unsolved
No progress, stopping.
After SMT solving in domain Real declared 506/506 variables, and 96 constraints, problems are : Problem set: 0 solved, 13 unsolved in 519 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 298/311 variables, 13/13 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/311 variables, 60/73 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/311 variables, 1/74 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/311 variables, 0/74 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 506/506 variables, and 97 constraints, problems are : Problem set: 0 solved, 13 unsolved in 45011 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 1/13 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45538ms problems are : Problem set: 0 solved, 13 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 13 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Applied a total of 0 rules in 11 ms. Remains 36 /36 variables (removed 0) and now considering 470/470 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 36/36 places, 470/470 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Applied a total of 0 rules in 4 ms. Remains 36 /36 variables (removed 0) and now considering 470/470 (removed 0) transitions.
[2025-05-31 20:19:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:19:59] [INFO ] Implicit Places using invariants in 52 ms returned []
[2025-05-31 20:19:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:19:59] [INFO ] State equation strengthened by 60 read => feed constraints.
[2025-05-31 20:20:00] [INFO ] Implicit Places using invariants and state equation in 581 ms returned []
Implicit Place search using SMT with State Equation took 635 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:20:00] [INFO ] Redundant transitions in 8 ms returned []
Running 461 sub problems to find dead transitions.
[2025-05-31 20:20:00] [INFO ] Invariant cache hit.
[2025-05-31 20:20:00] [INFO ] State equation strengthened by 60 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 470/502 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
Detected timeout of ITS tools.
At refinement iteration 2 (INCLUDED_ONLY) 0/502 variables, 60/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/502 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (OVERLAPS) 4/506 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 6 (OVERLAPS) 0/506 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 461 unsolved
No progress, stopping.
After SMT solving in domain Real declared 506/506 variables, and 96 constraints, problems are : Problem set: 0 solved, 461 unsolved in 24946 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 461 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 1 (OVERLAPS) 470/502 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/502 variables, 60/92 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/502 variables, 461/553 constraints. Problems are: Problem set: 0 solved, 461 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/502 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 461 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 506/506 variables, and 557 constraints, problems are : Problem set: 0 solved, 461 unsolved in 30018 ms.
Refiners :[State Equation: 36/36 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 461/461 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 55111ms problems are : Problem set: 0 solved, 461 unsolved
Search for dead transitions found 0 dead transitions in 55112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 55769 ms. Remains : 36/36 places, 470/470 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
[2025-05-31 20:20:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (421 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (35 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:20:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:20:55] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-31 20:20:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:20:56] [INFO ] [Nat]Absence check using state equation in 551 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 35 transition count 460
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 31 transition count 456
Applied a total of 15 rules in 28 ms. Remains 31 /36 variables (removed 5) and now considering 456/470 (removed 14) transitions.
Running 451 sub problems to find dead transitions.
// Phase 1: matrix 456 rows 31 cols
[2025-05-31 20:20:56] [INFO ] Computed 0 invariants in 6 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10963 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20017 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31139ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31169 ms. Remains : 31/36 places, 456/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:21:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36214 resets) in 3772 ms. (265 steps per ms)
BEST_FIRST walk for 1000001 steps (4013 resets) in 769 ms. (1298 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:21:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:21:32] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-31 20:21:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:21:41] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 13 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:21:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:21:41] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-05-31 20:21:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:21:41] [INFO ] Implicit Places using invariants and state equation in 455 ms returned []
Implicit Place search using SMT with State Equation took 505 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:21:41] [INFO ] Redundant transitions in 9 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:21:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10693 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30024 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40857ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 40859ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41381 ms. Remains : 31/31 places, 456/456 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:22:22] [INFO ] Flatten gal took : 19 ms
[2025-05-31 20:22:22] [INFO ] Flatten gal took : 31 ms
[2025-05-31 20:22:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10371045697366325822.gal : 7 ms
[2025-05-31 20:22:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15628753218883746234.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10371045697366325822.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15628753218883746234.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (1446 resets) in 285 ms. (139 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality15628753218883746234.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
BEST_FIRST walk for 40004 steps (160 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1145433 steps, run timeout after 3001 ms. (steps per millisecond=381 ) properties seen :0 out of 1
Probabilistic random walk after 1145433 steps, saw 314856 distinct states, run finished after 3001 ms. (steps per millisecond=381 ) properties seen :0
[2025-05-31 20:22:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1092 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 18 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Running 451 sub problems to find dead transitions.
[2025-05-31 20:22:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10985 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 7.11515e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20018 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31176ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31196 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1455 resets) in 219 ms. (181 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (160 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1130583 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 1
Probabilistic random walk after 1130583 steps, saw 310800 distinct states, run finished after 3001 ms. (steps per millisecond=376 ) properties seen :0
[2025-05-31 20:23:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 82/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 36/37 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 368/405 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/405 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/405 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9080 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9174ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 13 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:23:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:23:10] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-05-31 20:23:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:23:10] [INFO ] Implicit Places using invariants and state equation in 451 ms returned []
Implicit Place search using SMT with State Equation took 506 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:23:11] [INFO ] Redundant transitions in 5 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:23:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.46555e+10,49.5028,992648,2,17282,22,3.54218e+06,7,0,646,5.20685e+06,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,49.5089,992648,1,0,22,3.54218e+06,7,0,647,5.20685e+06,0
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10904 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30022 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41077ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41079ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41599 ms. Remains : 31/31 places, 456/456 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-00 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-00 in 176521 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:23:52] [INFO ] Computed 0 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (421 resets) in 48 ms. (204 steps per ms)
BEST_FIRST walk for 10001 steps (36 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:23:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:23:52] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:23:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:23:52] [INFO ] [Nat]Absence check using state equation in 552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 35 transition count 460
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 31 transition count 456
Applied a total of 15 rules in 16 ms. Remains 31 /36 variables (removed 5) and now considering 456/470 (removed 14) transitions.
Running 451 sub problems to find dead transitions.
// Phase 1: matrix 456 rows 31 cols
[2025-05-31 20:23:52] [INFO ] Computed 0 invariants in 3 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10976 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20016 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31134ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31156 ms. Remains : 31/36 places, 456/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:24:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36208 resets) in 3749 ms. (266 steps per ms)
BEST_FIRST walk for 1000001 steps (4021 resets) in 771 ms. (1295 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:24:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:24:28] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-31 20:24:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:24:37] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:24:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:24:37] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-31 20:24:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:24:38] [INFO ] Implicit Places using invariants and state equation in 448 ms returned []
Implicit Place search using SMT with State Equation took 491 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:24:38] [INFO ] Redundant transitions in 5 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:24:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11051 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30019 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41215ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41217ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41730 ms. Remains : 31/31 places, 456/456 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:25:19] [INFO ] Flatten gal took : 36 ms
[2025-05-31 20:25:19] [INFO ] Flatten gal took : 30 ms
[2025-05-31 20:25:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16602616918047560271.gal : 3 ms
[2025-05-31 20:25:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16684864385385187217.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16602616918047560271.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16684864385385187217.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (1439 resets) in 297 ms. (134 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (159 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality16684864385385187217.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1139923 steps, run timeout after 3001 ms. (steps per millisecond=379 ) properties seen :0 out of 1
Probabilistic random walk after 1139923 steps, saw 313244 distinct states, run finished after 3001 ms. (steps per millisecond=379 ) properties seen :0
[2025-05-31 20:25:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1078 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1184ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 12 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Running 451 sub problems to find dead transitions.
[2025-05-31 20:25:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11138 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 131072
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD size :3.80487e+08 after 1.60963e+09
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 7.11515e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20017 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31328ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31329ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31342 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1446 resets) in 236 ms. (168 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (157 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1129890 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 1
Probabilistic random walk after 1129890 steps, saw 310623 distinct states, run finished after 3001 ms. (steps per millisecond=376 ) properties seen :0
[2025-05-31 20:25:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 119/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 337/368 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/368 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/368 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9078 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9170ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:26:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:26:07] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-31 20:26:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:26:07] [INFO ] Implicit Places using invariants and state equation in 460 ms returned []
Implicit Place search using SMT with State Equation took 506 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:26:07] [INFO ] Redundant transitions in 6 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:26:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.46555e+10,49.4368,991976,2,17282,22,3.54218e+06,7,0,646,5.20685e+06,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,49.444,991976,1,0,22,3.54218e+06,7,0,647,5.20685e+06,0
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10792 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30010 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40930ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 40931ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41456 ms. Remains : 31/31 places, 456/456 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-01 in 176835 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:26:48] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (422 resets) in 43 ms. (227 steps per ms)
BEST_FIRST walk for 10001 steps (39 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:26:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:26:49] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2025-05-31 20:26:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:26:49] [INFO ] [Nat]Absence check using state equation in 551 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 36 transition count 466
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 32 transition count 462
Applied a total of 8 rules in 14 ms. Remains 32 /36 variables (removed 4) and now considering 462/470 (removed 8) transitions.
Running 457 sub problems to find dead transitions.
// Phase 1: matrix 462 rows 32 cols
[2025-05-31 20:26:49] [INFO ] Computed 0 invariants in 4 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 462/494 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 10568 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20016 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 0/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30716ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 30718ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30733 ms. Remains : 32/36 places, 462/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:27:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (44497 resets) in 3928 ms. (254 steps per ms)
BEST_FIRST walk for 1000001 steps (4681 resets) in 775 ms. (1288 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:27:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:27:25] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-31 20:27:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:27:34] [INFO ] [Nat]Absence check using state equation in 9052 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 10 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 32/32 places, 462/462 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 3 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2025-05-31 20:27:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:27:34] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-05-31 20:27:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:27:34] [INFO ] Implicit Places using invariants and state equation in 505 ms returned [31]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Implicit Place search using SMT with State Equation took 555 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 31/32 places, 457/462 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 563 ms. Remains : 31/32 places, 457/462 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
// Phase 1: matrix 457 rows 31 cols
[2025-05-31 20:27:34] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (37714 resets) in 3770 ms. (265 steps per ms)
BEST_FIRST walk for 1000001 steps (4222 resets) in 765 ms. (1305 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:27:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:27:39] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2025-05-31 20:27:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:27:48] [INFO ] [Nat]Absence check using state equation in 9048 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-05-31 20:27:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:27:48] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-31 20:27:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:27:49] [INFO ] Implicit Places using invariants and state equation in 455 ms returned []
Implicit Place search using SMT with State Equation took 501 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:27:49] [INFO ] Redundant transitions in 8 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:27:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10286 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30022 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40455ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 40456ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40976 ms. Remains : 31/31 places, 457/457 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:28:29] [INFO ] Flatten gal took : 13 ms
[2025-05-31 20:28:29] [INFO ] Flatten gal took : 12 ms
[2025-05-31 20:28:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8665975320577638965.gal : 2 ms
[2025-05-31 20:28:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8724049237504308647.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8665975320577638965.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8724049237504308647.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality8724049237504308647.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
RANDOM walk for 40000 steps (1508 resets) in 349 ms. (114 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (164 resets) in 52 ms. (754 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1068708 steps, run timeout after 3001 ms. (steps per millisecond=356 ) properties seen :0 out of 1
Probabilistic random walk after 1068708 steps, saw 307180 distinct states, run finished after 3001 ms. (steps per millisecond=356 ) properties seen :0
[2025-05-31 20:28:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 196/479 variables, 16/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/283 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 196/479 variables, 16/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1096 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1194ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 13 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Running 452 sub problems to find dead transitions.
[2025-05-31 20:28:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10135 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 6.82565e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20016 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30313ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 30314ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30328 ms. Remains : 31/31 places, 457/457 transitions.
RANDOM walk for 40000 steps (1510 resets) in 231 ms. (172 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (166 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1115787 steps, run timeout after 3001 ms. (steps per millisecond=371 ) properties seen :0 out of 1
Probabilistic random walk after 1115787 steps, saw 319747 distinct states, run finished after 3001 ms. (steps per millisecond=371 ) properties seen :0
[2025-05-31 20:29:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 196/479 variables, 16/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 23/24 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 259/283 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/283 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/283 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 196/479 variables, 16/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9095 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9187ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 13 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-05-31 20:29:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:29:16] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-31 20:29:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:29:17] [INFO ] Implicit Places using invariants and state equation in 454 ms returned []
Implicit Place search using SMT with State Equation took 497 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:29:17] [INFO ] Redundant transitions in 5 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:29:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Detected timeout of ITS tools.
[2025-05-31 20:29:19] [INFO ] Flatten gal took : 12 ms
[2025-05-31 20:29:19] [INFO ] Applying decomposition
[2025-05-31 20:29:19] [INFO ] Flatten gal took : 11 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9934319833872424522.txt' '-o' '/tmp/graph9934319833872424522.bin' '-w' '/tmp/graph9934319833872424522.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9934319833872424522.bin' '-l' '-1' '-v' '-w' '/tmp/graph9934319833872424522.weights' '-q' '0' '-e' '0.001'
[2025-05-31 20:29:19] [INFO ] Decomposing Gal with order
[2025-05-31 20:29:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 20:29:19] [INFO ] Removed a total of 850 redundant transitions.
[2025-05-31 20:29:19] [INFO ] Flatten gal took : 24 ms
[2025-05-31 20:29:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2025-05-31 20:29:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality719079431789555667.gal : 3 ms
[2025-05-31 20:29:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16695496302026644530.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality719079431789555667.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16695496302026644530.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality16695496302026644530.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10256 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30023 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40406ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 40407ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40920 ms. Remains : 31/31 places, 457/457 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-02 in 188754 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[2] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:29:57] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 10000 steps (424 resets) in 42 ms. (232 steps per ms)
BEST_FIRST walk for 10001 steps (42 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:29:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:29:57] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:29:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:29:58] [INFO ] [Nat]Absence check using state equation in 553 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 35 transition count 460
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 31 transition count 456
Applied a total of 15 rules in 16 ms. Remains 31 /36 variables (removed 5) and now considering 456/470 (removed 14) transitions.
Running 451 sub problems to find dead transitions.
// Phase 1: matrix 456 rows 31 cols
[2025-05-31 20:29:58] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10944 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20021 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31093ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31094ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31112 ms. Remains : 31/36 places, 456/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:30:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36211 resets) in 3704 ms. (269 steps per ms)
BEST_FIRST walk for 1000001 steps (4007 resets) in 755 ms. (1322 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:30:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:30:34] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2025-05-31 20:30:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:30:43] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:30:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:30:43] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-05-31 20:30:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:30:43] [INFO ] Implicit Places using invariants and state equation in 469 ms returned []
Implicit Place search using SMT with State Equation took 518 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:30:43] [INFO ] Redundant transitions in 8 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:30:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10941 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30017 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41083ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41085ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41618 ms. Remains : 31/31 places, 456/456 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:31:24] [INFO ] Flatten gal took : 22 ms
[2025-05-31 20:31:24] [INFO ] Flatten gal took : 24 ms
[2025-05-31 20:31:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12979715962689767355.gal : 3 ms
[2025-05-31 20:31:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5056005250893325217.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12979715962689767355.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5056005250893325217.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (1438 resets) in 373 ms. (106 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality5056005250893325217.prop.
BEST_FIRST walk for 40003 steps (158 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1157982 steps, run timeout after 3001 ms. (steps per millisecond=385 ) properties seen :0 out of 1
Probabilistic random walk after 1157982 steps, saw 318269 distinct states, run finished after 3001 ms. (steps per millisecond=385 ) properties seen :0
[2025-05-31 20:31:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 283/395 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 92/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 283/395 variables, 13/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1081 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Running 451 sub problems to find dead transitions.
[2025-05-31 20:31:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11030 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 7.11515e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20016 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31204ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31204ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31217 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1446 resets) in 285 ms. (139 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (157 resets) in 60 ms. (655 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1121973 steps, run timeout after 3001 ms. (steps per millisecond=373 ) properties seen :0 out of 1
Probabilistic random walk after 1121973 steps, saw 308488 distinct states, run finished after 3003 ms. (steps per millisecond=373 ) properties seen :0
[2025-05-31 20:32:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 283/395 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/395 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 92/487 variables, 12/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 10/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 101/112 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/112 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/112 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 283/395 variables, 13/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/395 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9085 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9185ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 6 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:32:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:32:12] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-05-31 20:32:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:32:13] [INFO ] Implicit Places using invariants and state equation in 473 ms returned []
Implicit Place search using SMT with State Equation took 517 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:32:13] [INFO ] Redundant transitions in 2 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:32:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.46555e+10,49.5627,993016,2,17282,22,3.54218e+06,7,0,646,5.20685e+06,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,49.5695,993016,1,0,22,3.54218e+06,7,0,647,5.20685e+06,0
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10973 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30020 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41131ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41132ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41662 ms. Remains : 31/31 places, 456/456 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-03 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-03 in 176707 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:32:54] [INFO ] Computed 0 invariants in 7 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (425 resets) in 40 ms. (243 steps per ms)
BEST_FIRST walk for 10000 steps (39 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:32:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:32:54] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2025-05-31 20:32:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:32:55] [INFO ] [Nat]Absence check using state equation in 552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 35 transition count 461
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 31 transition count 457
Applied a total of 14 rules in 13 ms. Remains 31 /36 variables (removed 5) and now considering 457/470 (removed 13) transitions.
Running 452 sub problems to find dead transitions.
// Phase 1: matrix 457 rows 31 cols
[2025-05-31 20:32:55] [INFO ] Computed 0 invariants in 3 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10451 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20021 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30605ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 30606ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30620 ms. Remains : 31/36 places, 457/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:33:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (37840 resets) in 3895 ms. (256 steps per ms)
BEST_FIRST walk for 1000001 steps (4280 resets) in 814 ms. (1226 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:33:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:33:30] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2025-05-31 20:33:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:33:39] [INFO ] [Nat]Absence check using state equation in 9050 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-05-31 20:33:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:33:39] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-05-31 20:33:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:33:40] [INFO ] Implicit Places using invariants and state equation in 494 ms returned []
Implicit Place search using SMT with State Equation took 543 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:33:40] [INFO ] Redundant transitions in 7 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:33:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10112 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30021 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40307ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 40308ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40874 ms. Remains : 31/31 places, 457/457 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:34:20] [INFO ] Flatten gal took : 10 ms
[2025-05-31 20:34:20] [INFO ] Flatten gal took : 9 ms
[2025-05-31 20:34:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10404502207769436882.gal : 2 ms
[2025-05-31 20:34:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11387639536578356660.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10404502207769436882.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11387639536578356660.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11387639536578356660.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
RANDOM walk for 40000 steps (1510 resets) in 367 ms. (108 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (168 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 808895
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :808895 after 4.21565e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.21565e+06 after 1.77469e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.77469e+07 after 3.84087e+07
Interrupted probabilistic random walk after 1133874 steps, run timeout after 3001 ms. (steps per millisecond=377 ) properties seen :0 out of 1
Probabilistic random walk after 1133874 steps, saw 311620 distinct states, run finished after 3001 ms. (steps per millisecond=377 ) properties seen :0
[2025-05-31 20:34:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 230/479 variables, 18/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/249 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 230/479 variables, 18/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :3.84087e+07 after 1.79963e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1093 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1194ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Running 452 sub problems to find dead transitions.
[2025-05-31 20:34:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.79963e+08 after 3.70027e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10333 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.70027e+08 after 8.0966e+08
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :8.0966e+08 after 3.55353e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20015 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30545ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 30546ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30558 ms. Remains : 31/31 places, 457/457 transitions.
RANDOM walk for 40000 steps (1500 resets) in 214 ms. (186 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (170 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1122820 steps, run timeout after 3001 ms. (steps per millisecond=374 ) properties seen :0 out of 1
Probabilistic random walk after 1122820 steps, saw 308717 distinct states, run finished after 3001 ms. (steps per millisecond=374 ) properties seen :0
[2025-05-31 20:34:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 230/479 variables, 18/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/479 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 9/488 variables, 3/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 19/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 229/249 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/249 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/249 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 230/479 variables, 18/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/479 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9121 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9215ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 457/457 transitions.
Applied a total of 0 rules in 2 ms. Remains 31 /31 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-05-31 20:35:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:35:07] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-05-31 20:35:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:35:08] [INFO ] Implicit Places using invariants and state equation in 488 ms returned []
Implicit Place search using SMT with State Equation took 544 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:35:08] [INFO ] Redundant transitions in 8 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:35:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Detected timeout of ITS tools.
[2025-05-31 20:35:10] [INFO ] Flatten gal took : 9 ms
[2025-05-31 20:35:10] [INFO ] Applying decomposition
[2025-05-31 20:35:10] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph184017942507963924.txt' '-o' '/tmp/graph184017942507963924.bin' '-w' '/tmp/graph184017942507963924.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph184017942507963924.bin' '-l' '-1' '-v' '-w' '/tmp/graph184017942507963924.weights' '-q' '0' '-e' '0.001'
[2025-05-31 20:35:10] [INFO ] Decomposing Gal with order
[2025-05-31 20:35:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 20:35:10] [INFO ] Removed a total of 850 redundant transitions.
[2025-05-31 20:35:10] [INFO ] Flatten gal took : 19 ms
[2025-05-31 20:35:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-05-31 20:35:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14450341456254581802.gal : 1 ms
[2025-05-31 20:35:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2749669123660655709.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14450341456254581802.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2749669123660655709.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality2749669123660655709.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (OVERLAPS) 0/488 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 10193 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/488 variables, and 31 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30024 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40383ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 40384ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40944 ms. Remains : 31/31 places, 457/457 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-04 in 174504 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:35:48] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (428 resets) in 42 ms. (232 steps per ms)
BEST_FIRST walk for 10001 steps (37 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:35:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:35:49] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-31 20:35:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:35:49] [INFO ] [Nat]Absence check using state equation in 550 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 35 transition count 461
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 13 place count 32 transition count 458
Applied a total of 13 rules in 12 ms. Remains 32 /36 variables (removed 4) and now considering 458/470 (removed 12) transitions.
Running 452 sub problems to find dead transitions.
// Phase 1: matrix 458 rows 32 cols
[2025-05-31 20:35:49] [INFO ] Computed 0 invariants in 2 ms
[2025-05-31 20:35:49] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 52 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19317 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 51 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20021 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39513ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 39514ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39527 ms. Remains : 32/36 places, 458/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:36:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (35737 resets) in 3813 ms. (262 steps per ms)
BEST_FIRST walk for 1000001 steps (4035 resets) in 833 ms. (1199 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:36:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:36:33] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-31 20:36:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:36:38] [INFO ] [Nat]Absence check using state equation in 4548 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 2 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2025-05-31 20:36:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:36:38] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-31 20:36:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:36:38] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-05-31 20:36:39] [INFO ] Implicit Places using invariants and state equation in 611 ms returned []
Implicit Place search using SMT with State Equation took 657 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:36:39] [INFO ] Redundant transitions in 7 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:36:39] [INFO ] Invariant cache hit.
[2025-05-31 20:36:39] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 52 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19416 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 51 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30019 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49625ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 49626ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50301 ms. Remains : 32/32 places, 458/458 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:37:28] [INFO ] Flatten gal took : 18 ms
[2025-05-31 20:37:28] [INFO ] Flatten gal took : 20 ms
[2025-05-31 20:37:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4807289704318287505.gal : 2 ms
[2025-05-31 20:37:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9831774894046315459.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4807289704318287505.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9831774894046315459.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (1424 resets) in 263 ms. (151 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9831774894046315459.prop.
BEST_FIRST walk for 40003 steps (161 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1221279 steps, run timeout after 3001 ms. (steps per millisecond=406 ) properties seen :0 out of 1
Probabilistic random walk after 1221279 steps, saw 305986 distinct states, run finished after 3001 ms. (steps per millisecond=406 ) properties seen :0
[2025-05-31 20:37:32] [INFO ] Invariant cache hit.
[2025-05-31 20:37:32] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 42/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 379/422 variables, 21/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/422 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 67/489 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/490 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 52 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 42/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 379/422 variables, 21/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/422 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/422 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 67/489 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/489 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.58178e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 53 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1113 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1221ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 12 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Running 452 sub problems to find dead transitions.
[2025-05-31 20:37:33] [INFO ] Invariant cache hit.
[2025-05-31 20:37:33] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.58178e+08 after 3.66699e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.66699e+08 after 1.6138e+09
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 52 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19533 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.6138e+09 after 1.07033e+10
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 452/503 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/489 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SMT process timed out in 39700ms, After SMT, problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 39701ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39715 ms. Remains : 32/32 places, 458/458 transitions.
RANDOM walk for 40000 steps (1435 resets) in 342 ms. (116 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (164 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1227540 steps, run timeout after 3001 ms. (steps per millisecond=409 ) properties seen :0 out of 1
Probabilistic random walk after 1227540 steps, saw 307866 distinct states, run finished after 3001 ms. (steps per millisecond=409 ) properties seen :0
[2025-05-31 20:38:16] [INFO ] Invariant cache hit.
[2025-05-31 20:38:16] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 42/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 379/422 variables, 21/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/422 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 67/489 variables, 9/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/490 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 52 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 42/43 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 379/422 variables, 21/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/422 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/422 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 67/489 variables, 9/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/489 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2025-05-31 20:38:19] [INFO ] Flatten gal took : 19 ms
[2025-05-31 20:38:19] [INFO ] Applying decomposition
[2025-05-31 20:38:19] [INFO ] Flatten gal took : 16 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph7903564204306644778.txt' '-o' '/tmp/graph7903564204306644778.bin' '-w' '/tmp/graph7903564204306644778.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7903564204306644778.bin' '-l' '-1' '-v' '-w' '/tmp/graph7903564204306644778.weights' '-q' '0' '-e' '0.001'
[2025-05-31 20:38:19] [INFO ] Decomposing Gal with order
[2025-05-31 20:38:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 20:38:19] [INFO ] Removed a total of 850 redundant transitions.
[2025-05-31 20:38:19] [INFO ] Flatten gal took : 16 ms
[2025-05-31 20:38:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2025-05-31 20:38:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16985028214301369148.gal : 1 ms
[2025-05-31 20:38:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3872862366124234796.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16985028214301369148.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3872862366124234796.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3872862366124234796.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1.14724e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 53 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9117 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9229ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 2 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2025-05-31 20:38:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:38:25] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-05-31 20:38:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:38:25] [INFO ] State equation strengthened by 20 read => feed constraints.
[2025-05-31 20:38:25] [INFO ] Implicit Places using invariants and state equation in 632 ms returned []
Implicit Place search using SMT with State Equation took 670 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:38:26] [INFO ] Redundant transitions in 7 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:38:26] [INFO ] Invariant cache hit.
[2025-05-31 20:38:26] [INFO ] State equation strengthened by 20 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 52 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19434 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 452/503 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.20536e+10,38.3562,1281400,22434,11,2.23266e+06,274,532,4.65493e+06,14,276,0
Total reachable state count : 22053626382

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,38.3595,1281400,1,0,2.23266e+06,274,534,4.65493e+06,16,276,0
At refinement iteration 4 (INCLUDED_ONLY) 0/489 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 504 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30015 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49623ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 49624ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50318 ms. Remains : 32/32 places, 458/458 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-05 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-05 in 206761 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:39:15] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (424 resets) in 42 ms. (232 steps per ms)
BEST_FIRST walk for 10001 steps (40 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:39:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:39:15] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:39:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:39:16] [INFO ] [Nat]Absence check using state equation in 554 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 35 transition count 461
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 13 place count 32 transition count 458
Applied a total of 13 rules in 10 ms. Remains 32 /36 variables (removed 4) and now considering 458/470 (removed 12) transitions.
Running 452 sub problems to find dead transitions.
// Phase 1: matrix 458 rows 32 cols
[2025-05-31 20:39:16] [INFO ] Computed 0 invariants in 2 ms
[2025-05-31 20:39:16] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 11/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 43 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19456 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 42 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20019 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39646ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 39646ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39657 ms. Remains : 32/36 places, 458/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:39:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36173 resets) in 3796 ms. (263 steps per ms)
BEST_FIRST walk for 1000001 steps (4113 resets) in 771 ms. (1295 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:40:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:40:00] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-31 20:40:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:40:05] [INFO ] [Nat]Absence check using state equation in 4553 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 12 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 2 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2025-05-31 20:40:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:40:05] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-31 20:40:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:40:05] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 20:40:05] [INFO ] Implicit Places using invariants and state equation in 589 ms returned []
Implicit Place search using SMT with State Equation took 636 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:40:05] [INFO ] Redundant transitions in 8 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:40:05] [INFO ] Invariant cache hit.
[2025-05-31 20:40:05] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 11/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 43 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19227 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 42 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30021 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49391ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 49392ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50045 ms. Remains : 32/32 places, 458/458 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:40:55] [INFO ] Flatten gal took : 12 ms
[2025-05-31 20:40:55] [INFO ] Flatten gal took : 8 ms
[2025-05-31 20:40:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13652456886790400250.gal : 2 ms
[2025-05-31 20:40:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6594418049701922371.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13652456886790400250.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6594418049701922371.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6594418049701922371.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
RANDOM walk for 40000 steps (1442 resets) in 300 ms. (132 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40004 steps (162 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 64332
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :64332 after 183719
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :183719 after 1.07405e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.07405e+06 after 6.16702e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6.16702e+06 after 2.58649e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.58649e+07 after 5.60192e+07
Interrupted probabilistic random walk after 1244227 steps, run timeout after 3001 ms. (steps per millisecond=414 ) properties seen :0 out of 1
Probabilistic random walk after 1244227 steps, saw 315647 distinct states, run finished after 3001 ms. (steps per millisecond=414 ) properties seen :0
[2025-05-31 20:40:58] [INFO ] Invariant cache hit.
[2025-05-31 20:40:58] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 260/285 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 196/481 variables, 16/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/481 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/490 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 43 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 260/285 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 196/481 variables, 16/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/481 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :5.60192e+07 after 2.62029e+08
After SMT solving in domain Int declared 490/490 variables, and 44 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1097 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1200ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Running 452 sub problems to find dead transitions.
[2025-05-31 20:40:59] [INFO ] Invariant cache hit.
[2025-05-31 20:40:59] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 11/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :2.62029e+08 after 5.40633e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :5.40633e+08 after 1.18162e+09
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 43 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19383 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 11/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 452/494 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.18162e+09 after 5.20132e+09
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 494 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20019 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39571ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 39573ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39585 ms. Remains : 32/32 places, 458/458 transitions.
RANDOM walk for 40000 steps (1447 resets) in 292 ms. (136 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (163 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1214306 steps, run timeout after 3001 ms. (steps per millisecond=404 ) properties seen :0 out of 1
Probabilistic random walk after 1214306 steps, saw 307907 distinct states, run finished after 3001 ms. (steps per millisecond=404 ) properties seen :0
[2025-05-31 20:41:42] [INFO ] Invariant cache hit.
[2025-05-31 20:41:42] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 260/285 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 196/481 variables, 16/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/481 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 9/490 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 43 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 24/25 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/25 variables, 11/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 260/285 variables, 12/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/285 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/285 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 196/481 variables, 16/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/481 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2025-05-31 20:41:45] [INFO ] Flatten gal took : 7 ms
[2025-05-31 20:41:45] [INFO ] Applying decomposition
[2025-05-31 20:41:45] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10110808977445744679.txt' '-o' '/tmp/graph10110808977445744679.bin' '-w' '/tmp/graph10110808977445744679.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10110808977445744679.bin' '-l' '-1' '-v' '-w' '/tmp/graph10110808977445744679.weights' '-q' '0' '-e' '0.001'
[2025-05-31 20:41:45] [INFO ] Decomposing Gal with order
[2025-05-31 20:41:45] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 20:41:45] [INFO ] Removed a total of 850 redundant transitions.
[2025-05-31 20:41:45] [INFO ] Flatten gal took : 15 ms
[2025-05-31 20:41:45] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-05-31 20:41:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12885611114267556524.gal : 2 ms
[2025-05-31 20:41:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4632485900393714252.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12885611114267556524.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4632485900393714252.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality4632485900393714252.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 503527
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 44 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9099 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9205ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 3 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 26 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2025-05-31 20:41:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:41:51] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-05-31 20:41:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:41:51] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-05-31 20:41:52] [INFO ] Implicit Places using invariants and state equation in 567 ms returned []
Implicit Place search using SMT with State Equation took 607 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:41:52] [INFO ] Redundant transitions in 3 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:41:52] [INFO ] Invariant cache hit.
[2025-05-31 20:41:52] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 11/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 43 constraints, problems are : Problem set: 0 solved, 452 unsolved in 19813 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.22077e+10,47.8711,1558580,20801,12,2.6391e+06,275,532,5.70475e+06,14,287,0
Total reachable state count : 22207706254

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,47.8791,1558580,1,0,2.6391e+06,275,534,5.70475e+06,16,287,0
ITS tools runner thread asked to quit. Dying gracefully.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 42 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30016 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49985ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 49986ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50632 ms. Remains : 32/32 places, 458/458 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-07 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-07 in 206659 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:42:42] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (426 resets) in 43 ms. (227 steps per ms)
BEST_FIRST walk for 10000 steps (38 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:42:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:42:42] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2025-05-31 20:42:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:42:43] [INFO ] [Nat]Absence check using state equation in 552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 35 transition count 460
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 14 place count 32 transition count 457
Applied a total of 14 rules in 7 ms. Remains 32 /36 variables (removed 4) and now considering 457/470 (removed 13) transitions.
Running 451 sub problems to find dead transitions.
// Phase 1: matrix 457 rows 32 cols
[2025-05-31 20:42:43] [INFO ] Computed 0 invariants in 5 ms
[2025-05-31 20:42:43] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 47 constraints, problems are : Problem set: 0 solved, 451 unsolved in 18902 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 451/497 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SMT process timed out in 39079ms, After SMT, problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 39080ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39088 ms. Remains : 32/36 places, 457/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:43:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (34878 resets) in 3793 ms. (263 steps per ms)
BEST_FIRST walk for 1000000 steps (3910 resets) in 792 ms. (1261 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:43:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:43:26] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2025-05-31 20:43:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:43:31] [INFO ] [Nat]Absence check using state equation in 4552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 3 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 5 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-05-31 20:43:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:43:31] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-05-31 20:43:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:43:31] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-05-31 20:43:32] [INFO ] Implicit Places using invariants and state equation in 638 ms returned []
Implicit Place search using SMT with State Equation took 680 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:43:32] [INFO ] Redundant transitions in 8 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:43:32] [INFO ] Invariant cache hit.
[2025-05-31 20:43:32] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 47 constraints, problems are : Problem set: 0 solved, 451 unsolved in 18973 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 451/497 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 498 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30026 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49161ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 49163ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49860 ms. Remains : 32/32 places, 457/457 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:44:21] [INFO ] Flatten gal took : 7 ms
[2025-05-31 20:44:21] [INFO ] Flatten gal took : 7 ms
[2025-05-31 20:44:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13552375310685096084.gal : 1 ms
[2025-05-31 20:44:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2682979581955948328.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13552375310685096084.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2682979581955948328.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2682979581955948328.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 81
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :81 after 584
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :584 after 2179
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2179 after 2491
RANDOM walk for 40000 steps (1386 resets) in 247 ms. (161 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :2491 after 11298
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11298 after 24615
BEST_FIRST walk for 40003 steps (155 resets) in 51 ms. (769 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :24615 after 50771
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :50771 after 246568
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :246568 after 1.11541e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.11541e+06 after 6.15329e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6.15329e+06 after 2.53273e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.53273e+07 after 5.69835e+07
Interrupted probabilistic random walk after 1181979 steps, run timeout after 3001 ms. (steps per millisecond=393 ) properties seen :0 out of 1
Probabilistic random walk after 1181979 steps, saw 306295 distinct states, run finished after 3001 ms. (steps per millisecond=393 ) properties seen :0
[2025-05-31 20:44:24] [INFO ] Invariant cache hit.
[2025-05-31 20:44:24] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 31/32 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 338/370 variables, 16/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 119/489 variables, 15/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 47 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 31/32 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 338/370 variables, 16/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :5.69835e+07 after 2.63383e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1084 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1190ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Running 451 sub problems to find dead transitions.
[2025-05-31 20:44:25] [INFO ] Invariant cache hit.
[2025-05-31 20:44:25] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :2.63383e+08 after 5.56011e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :5.56011e+08 after 2.36252e+09
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 47 constraints, problems are : Problem set: 0 solved, 451 unsolved in 18997 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :2.36252e+09 after 1.04559e+10
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 451/497 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Error getting values : (error "ParserException while parsing response: ((t0 4780)
(t1 0)
(t2 timeout
1 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 488/489 variables, and 497 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20016 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39192ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 39194ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 39205 ms. Remains : 32/32 places, 457/457 transitions.
RANDOM walk for 40000 steps (1397 resets) in 226 ms. (176 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (154 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1156445 steps, run timeout after 3001 ms. (steps per millisecond=385 ) properties seen :0 out of 1
Probabilistic random walk after 1156445 steps, saw 299373 distinct states, run finished after 3001 ms. (steps per millisecond=385 ) properties seen :0
[2025-05-31 20:45:07] [INFO ] Invariant cache hit.
[2025-05-31 20:45:07] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 31/32 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 338/370 variables, 16/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 119/489 variables, 15/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 47 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 31/32 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/32 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 338/370 variables, 16/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/370 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/370 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2025-05-31 20:45:11] [INFO ] Flatten gal took : 7 ms
[2025-05-31 20:45:11] [INFO ] Applying decomposition
[2025-05-31 20:45:11] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph185547143114675100.txt' '-o' '/tmp/graph185547143114675100.bin' '-w' '/tmp/graph185547143114675100.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph185547143114675100.bin' '-l' '-1' '-v' '-w' '/tmp/graph185547143114675100.weights' '-q' '0' '-e' '0.001'
[2025-05-31 20:45:11] [INFO ] Decomposing Gal with order
[2025-05-31 20:45:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 20:45:11] [INFO ] Removed a total of 850 redundant transitions.
[2025-05-31 20:45:11] [INFO ] Flatten gal took : 14 ms
[2025-05-31 20:45:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-05-31 20:45:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3199511570683394148.gal : 1 ms
[2025-05-31 20:45:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14119132707677784459.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3199511570683394148.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14119132707677784459.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality14119132707677784459.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 48 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9106 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9210ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 9 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 457/457 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 457/457 transitions.
Applied a total of 0 rules in 6 ms. Remains 32 /32 variables (removed 0) and now considering 457/457 (removed 0) transitions.
[2025-05-31 20:45:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:45:17] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-31 20:45:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:45:17] [INFO ] State equation strengthened by 15 read => feed constraints.
[2025-05-31 20:45:17] [INFO ] Implicit Places using invariants and state equation in 655 ms returned []
Implicit Place search using SMT with State Equation took 700 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:45:17] [INFO ] Redundant transitions in 3 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:45:17] [INFO ] Invariant cache hit.
[2025-05-31 20:45:17] [INFO ] State equation strengthened by 15 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 4 (OVERLAPS) 1/489 variables, 1/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 6 (OVERLAPS) 0/489 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 489/489 variables, and 47 constraints, problems are : Problem set: 0 solved, 451 unsolved in 19129 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 457/488 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.15797e+10,33.013,1097456,17290,9,1.96857e+06,272,532,3.97099e+06,13,257,0
Total reachable state count : 21579668835

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,33.0276,1097456,1,0,1.96857e+06,272,534,3.97099e+06,15,257,0
At refinement iteration 2 (INCLUDED_ONLY) 0/488 variables, 15/46 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/488 variables, 451/497 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/488 variables, 0/497 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/489 variables, and 498 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30025 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 49332ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 49333ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50058 ms. Remains : 32/32 places, 457/457 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-09 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-09 in 204945 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:46:07] [INFO ] Computed 0 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (413 resets) in 45 ms. (217 steps per ms)
BEST_FIRST walk for 10001 steps (62 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:46:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:46:07] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-31 20:46:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:46:07] [INFO ] [Nat]Absence check using state equation in 551 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 36 transition count 466
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 32 transition count 462
Applied a total of 8 rules in 12 ms. Remains 32 /36 variables (removed 4) and now considering 462/470 (removed 8) transitions.
Running 457 sub problems to find dead transitions.
// Phase 1: matrix 462 rows 32 cols
[2025-05-31 20:46:07] [INFO ] Computed 0 invariants in 4 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 462/494 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 10707 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20025 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 0/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30913ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 30914ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30927 ms. Remains : 32/36 places, 462/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:46:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (44466 resets) in 3985 ms. (250 steps per ms)
BEST_FIRST walk for 1000001 steps (8309 resets) in 811 ms. (1231 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:46:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:46:43] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2025-05-31 20:46:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:46:52] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 462/462 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 2 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2025-05-31 20:46:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:46:52] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-31 20:46:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:46:53] [INFO ] Implicit Places using invariants and state equation in 507 ms returned []
Implicit Place search using SMT with State Equation took 553 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:46:53] [INFO ] Redundant transitions in 6 ms returned []
Running 457 sub problems to find dead transitions.
[2025-05-31 20:46:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 462/494 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 10772 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 30024 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 0/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40960ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 40961ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41535 ms. Remains : 32/32 places, 462/462 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:47:34] [INFO ] Flatten gal took : 12 ms
[2025-05-31 20:47:34] [INFO ] Flatten gal took : 7 ms
[2025-05-31 20:47:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11818000347470608675.gal : 2 ms
[2025-05-31 20:47:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11577238494616182934.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11818000347470608675.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11577238494616182934.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11577238494616182934.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
RANDOM walk for 40000 steps (1776 resets) in 280 ms. (142 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40004 steps (340 resets) in 94 ms. (421 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1044224 steps, run timeout after 3001 ms. (steps per millisecond=347 ) properties seen :0 out of 1
Probabilistic random walk after 1044224 steps, saw 296132 distinct states, run finished after 3001 ms. (steps per millisecond=347 ) properties seen :0
[2025-05-31 20:47:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 138/145 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 281/426 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/426 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 67/493 variables, 9/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/493 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/494 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 116 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/145 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/145 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 281/426 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/426 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 67/493 variables, 9/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 33 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1107 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1227ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 6 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Running 457 sub problems to find dead transitions.
[2025-05-31 20:47:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 462/494 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 10760 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 7.11515e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 20018 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 0/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30946ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 30947ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30956 ms. Remains : 32/32 places, 462/462 transitions.
RANDOM walk for 40000 steps (1782 resets) in 255 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (336 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1037405 steps, run timeout after 3001 ms. (steps per millisecond=345 ) properties seen :0 out of 1
Probabilistic random walk after 1037405 steps, saw 293793 distinct states, run finished after 3001 ms. (steps per millisecond=345 ) properties seen :0
[2025-05-31 20:48:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 138/145 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 281/426 variables, 15/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/426 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 67/493 variables, 9/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/493 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/494 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 96 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 6/7 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/7 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/145 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/145 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 281/426 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/426 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 67/493 variables, 9/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/493 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 33 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9105 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9206ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 32/32 places, 462/462 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 462/462 transitions.
Applied a total of 0 rules in 4 ms. Remains 32 /32 variables (removed 0) and now considering 462/462 (removed 0) transitions.
[2025-05-31 20:48:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:48:22] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-31 20:48:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:48:22] [INFO ] Implicit Places using invariants and state equation in 524 ms returned []
Implicit Place search using SMT with State Equation took 571 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:48:22] [INFO ] Redundant transitions in 8 ms returned []
Running 457 sub problems to find dead transitions.
[2025-05-31 20:48:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.56333e+10,48.7589,991680,2,17293,22,3.54226e+06,7,0,655,5.2083e+06,0
Total reachable state count : 15633324411

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,48.7603,991680,1,0,22,3.54226e+06,7,0,656,5.2083e+06,0
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 1 (OVERLAPS) 462/494 variables, 32/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
At refinement iteration 3 (OVERLAPS) 0/494 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 457 unsolved
No progress, stopping.
After SMT solving in domain Real declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 10606 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 457/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 457 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 457 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 494/494 variables, and 32 constraints, problems are : Problem set: 0 solved, 457 unsolved in 30017 ms.
Refiners :[State Equation: 32/32 constraints, PredecessorRefiner: 0/457 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40825ms problems are : Problem set: 0 solved, 457 unsolved
Search for dead transitions found 0 dead transitions in 40827ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41420 ms. Remains : 32/32 places, 462/462 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-10 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-10 in 176363 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:49:03] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (414 resets) in 40 ms. (243 steps per ms)
BEST_FIRST walk for 10001 steps (35 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:49:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:49:03] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2025-05-31 20:49:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:49:04] [INFO ] [Nat]Absence check using state equation in 552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 10 place count 35 transition count 461
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 13 place count 32 transition count 458
Applied a total of 13 rules in 19 ms. Remains 32 /36 variables (removed 4) and now considering 458/470 (removed 12) transitions.
Running 452 sub problems to find dead transitions.
// Phase 1: matrix 458 rows 32 cols
[2025-05-31 20:49:04] [INFO ] Computed 0 invariants in 4 ms
[2025-05-31 20:49:04] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 14/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 452 unsolved in 18617 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 45 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20021 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38802ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 38803ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38823 ms. Remains : 32/36 places, 458/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:49:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36022 resets) in 3846 ms. (259 steps per ms)
BEST_FIRST walk for 1000001 steps (4063 resets) in 793 ms. (1259 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:49:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:49:47] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2025-05-31 20:49:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:49:52] [INFO ] [Nat]Absence check using state equation in 4551 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 10 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 3 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2025-05-31 20:49:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:49:52] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-05-31 20:49:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:49:52] [INFO ] State equation strengthened by 14 read => feed constraints.
[2025-05-31 20:49:53] [INFO ] Implicit Places using invariants and state equation in 569 ms returned []
Implicit Place search using SMT with State Equation took 611 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:49:53] [INFO ] Redundant transitions in 9 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:49:53] [INFO ] Invariant cache hit.
[2025-05-31 20:49:53] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 14/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 452 unsolved in 18510 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 45 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30022 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48690ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 48690ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49317 ms. Remains : 32/32 places, 458/458 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:50:41] [INFO ] Flatten gal took : 12 ms
[2025-05-31 20:50:41] [INFO ] Flatten gal took : 19 ms
[2025-05-31 20:50:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16047471862774576065.gal : 2 ms
[2025-05-31 20:50:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3689719489147248985.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16047471862774576065.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3689719489147248985.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality3689719489147248985.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
RANDOM walk for 40000 steps (1437 resets) in 294 ms. (135 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40004 steps (163 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 8.89532e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :8.89532e+06 after 3.86669e+07
Interrupted probabilistic random walk after 1220857 steps, run timeout after 3001 ms. (steps per millisecond=406 ) properties seen :0 out of 1
Probabilistic random walk after 1220857 steps, saw 310543 distinct states, run finished after 3001 ms. (steps per millisecond=406 ) properties seen :0
[2025-05-31 20:50:45] [INFO ] Invariant cache hit.
[2025-05-31 20:50:45] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 311/342 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 144/486 variables, 14/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/490 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 311/342 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 144/486 variables, 14/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :3.86669e+07 after 8.65814e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 47 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1105 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1210ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 11 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Running 452 sub problems to find dead transitions.
[2025-05-31 20:50:46] [INFO ] Invariant cache hit.
[2025-05-31 20:50:46] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 14/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :8.65814e+07 after 3.6211e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.6211e+08 after 4.06536e+09
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 452 unsolved in 18351 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :4.06536e+09 after 1.01961e+10
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 45 constraints, problems are : Problem set: 0 solved, 452 unsolved in 20017 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38573ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 38574ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38587 ms. Remains : 32/32 places, 458/458 transitions.
RANDOM walk for 40000 steps (1447 resets) in 249 ms. (160 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (162 resets) in 63 ms. (625 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1224063 steps, run timeout after 3001 ms. (steps per millisecond=407 ) properties seen :0 out of 1
Probabilistic random walk after 1224063 steps, saw 311285 distinct states, run finished after 3001 ms. (steps per millisecond=407 ) properties seen :0
[2025-05-31 20:51:27] [INFO ] Invariant cache hit.
[2025-05-31 20:51:27] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 311/342 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 144/486 variables, 14/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/486 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 4/490 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 1 unsolved in 102 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/31 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 311/342 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/342 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/342 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 144/486 variables, 14/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/486 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Detected timeout of ITS tools.
[2025-05-31 20:51:32] [INFO ] Flatten gal took : 6 ms
[2025-05-31 20:51:32] [INFO ] Applying decomposition
[2025-05-31 20:51:32] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13419185488762130279.txt' '-o' '/tmp/graph13419185488762130279.bin' '-w' '/tmp/graph13419185488762130279.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13419185488762130279.bin' '-l' '-1' '-v' '-w' '/tmp/graph13419185488762130279.weights' '-q' '0' '-e' '0.001'
[2025-05-31 20:51:32] [INFO ] Decomposing Gal with order
[2025-05-31 20:51:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 20:51:32] [INFO ] Removed a total of 850 redundant transitions.
[2025-05-31 20:51:32] [INFO ] Flatten gal took : 14 ms
[2025-05-31 20:51:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2025-05-31 20:51:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4810392935344375309.gal : 1 ms
[2025-05-31 20:51:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17426800827583927820.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4810392935344375309.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17426800827583927820.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality17426800827583927820.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1.39096e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 490/490 variables, and 47 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9101 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9209ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 32 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 8 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 32/32 places, 458/458 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 32/32 places, 458/458 transitions.
Applied a total of 0 rules in 2 ms. Remains 32 /32 variables (removed 0) and now considering 458/458 (removed 0) transitions.
[2025-05-31 20:51:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:51:37] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-31 20:51:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:51:37] [INFO ] State equation strengthened by 14 read => feed constraints.
[2025-05-31 20:51:37] [INFO ] Implicit Places using invariants and state equation in 574 ms returned []
Implicit Place search using SMT with State Equation took 622 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:51:37] [INFO ] Redundant transitions in 8 ms returned []
Running 452 sub problems to find dead transitions.
[2025-05-31 20:51:37] [INFO ] Invariant cache hit.
[2025-05-31 20:51:37] [INFO ] State equation strengthened by 14 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/489 variables, 14/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/489 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 4 (OVERLAPS) 1/490 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 6 (OVERLAPS) 0/490 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 452 unsolved
No progress, stopping.
After SMT solving in domain Real declared 490/490 variables, and 46 constraints, problems are : Problem set: 0 solved, 452 unsolved in 18730 ms.
Refiners :[State Equation: 32/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 452/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 452 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 452 unsolved
At refinement iteration 1 (OVERLAPS) 458/489 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 452 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.21375e+10,42.3106,1415548,23395,12,2.43091e+06,275,532,5.14699e+06,14,281,0
Total reachable state count : 22137507585

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,42.3141,1415548,1,0,2.43091e+06,275,534,5.14699e+06,16,281,0
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 489/490 variables, and 45 constraints, problems are : Problem set: 0 solved, 452 unsolved in 30012 ms.
Refiners :[State Equation: 31/32 constraints, ReadFeed: 14/14 constraints, PredecessorRefiner: 0/452 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48954ms problems are : Problem set: 0 solved, 452 unsolved
Search for dead transitions found 0 dead transitions in 48955ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49606 ms. Remains : 32/32 places, 458/458 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-11 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-11 in 203187 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:52:26] [INFO ] Computed 0 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (430 resets) in 43 ms. (227 steps per ms)
BEST_FIRST walk for 10001 steps (34 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:52:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:52:26] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2025-05-31 20:52:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:52:27] [INFO ] [Nat]Absence check using state equation in 549 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 35 transition count 460
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 31 transition count 456
Applied a total of 15 rules in 12 ms. Remains 31 /36 variables (removed 5) and now considering 456/470 (removed 14) transitions.
Running 451 sub problems to find dead transitions.
// Phase 1: matrix 456 rows 31 cols
[2025-05-31 20:52:27] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10894 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20015 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31089ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31090ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31102 ms. Remains : 31/36 places, 456/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:52:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36199 resets) in 3864 ms. (258 steps per ms)
BEST_FIRST walk for 1000001 steps (4005 resets) in 791 ms. (1262 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:53:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:53:03] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:53:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:53:12] [INFO ] [Nat]Absence check using state equation in 9051 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 5 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:53:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:53:12] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-31 20:53:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:53:13] [INFO ] Implicit Places using invariants and state equation in 481 ms returned []
Implicit Place search using SMT with State Equation took 526 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:53:13] [INFO ] Redundant transitions in 6 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:53:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10777 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30019 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40965ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 40966ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41513 ms. Remains : 31/31 places, 456/456 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:53:54] [INFO ] Flatten gal took : 14 ms
[2025-05-31 20:53:54] [INFO ] Flatten gal took : 7 ms
[2025-05-31 20:53:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13400909659618398384.gal : 2 ms
[2025-05-31 20:53:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11686128829030329077.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13400909659618398384.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11686128829030329077.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11686128829030329077.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
RANDOM walk for 40000 steps (1451 resets) in 295 ms. (135 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
BEST_FIRST walk for 40004 steps (158 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1109723 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :0 out of 1
Probabilistic random walk after 1109723 steps, saw 305171 distinct states, run finished after 3001 ms. (steps per millisecond=369 ) properties seen :0
[2025-05-31 20:53:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 135/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1079 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1172ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Running 451 sub problems to find dead transitions.
[2025-05-31 20:53:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11173 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 7.11515e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20017 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31368ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31369ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31380 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1440 resets) in 251 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (157 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1106878 steps, run timeout after 3001 ms. (steps per millisecond=368 ) properties seen :0 out of 1
Probabilistic random walk after 1106878 steps, saw 304457 distinct states, run finished after 3001 ms. (steps per millisecond=368 ) properties seen :0
[2025-05-31 20:54:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 135/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 321/352 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/352 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/352 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9080 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 3 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:54:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:54:42] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-05-31 20:54:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:54:42] [INFO ] Implicit Places using invariants and state equation in 489 ms returned []
Implicit Place search using SMT with State Equation took 535 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:54:42] [INFO ] Redundant transitions in 8 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:54:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.46555e+10,49.9052,991516,2,17282,22,3.54218e+06,7,0,646,5.20685e+06,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,49.9069,991516,1,0,22,3.54218e+06,7,0,647,5.20685e+06,0
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10905 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30020 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41090ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41091ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41645 ms. Remains : 31/31 places, 456/456 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-13 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-13 in 176895 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:55:23] [INFO ] Computed 0 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (412 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (32 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:55:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:55:23] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2025-05-31 20:55:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:55:24] [INFO ] [Nat]Absence check using state equation in 553 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 35 transition count 460
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 31 transition count 456
Applied a total of 15 rules in 16 ms. Remains 31 /36 variables (removed 5) and now considering 456/470 (removed 14) transitions.
Running 451 sub problems to find dead transitions.
// Phase 1: matrix 456 rows 31 cols
[2025-05-31 20:55:24] [INFO ] Computed 0 invariants in 2 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10756 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20016 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 30942ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 30943ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30959 ms. Remains : 31/36 places, 456/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:55:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36205 resets) in 3824 ms. (261 steps per ms)
BEST_FIRST walk for 1000001 steps (4017 resets) in 797 ms. (1253 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:56:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:56:00] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2025-05-31 20:56:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:56:09] [INFO ] [Nat]Absence check using state equation in 9049 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:56:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:56:09] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-05-31 20:56:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:56:09] [INFO ] Implicit Places using invariants and state equation in 423 ms returned []
Implicit Place search using SMT with State Equation took 462 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:56:09] [INFO ] Redundant transitions in 8 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:56:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11122 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30030 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41314ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41315ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41798 ms. Remains : 31/31 places, 456/456 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:56:51] [INFO ] Flatten gal took : 10 ms
[2025-05-31 20:56:51] [INFO ] Flatten gal took : 15 ms
[2025-05-31 20:56:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4167531034665667157.gal : 2 ms
[2025-05-31 20:56:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9498806514032271712.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4167531034665667157.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9498806514032271712.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (1448 resets) in 268 ms. (148 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9498806514032271712.prop.
BEST_FIRST walk for 40003 steps (158 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1116487 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1116487 steps, saw 307044 distinct states, run finished after 3001 ms. (steps per millisecond=372 ) properties seen :0
[2025-05-31 20:56:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 422/471 variables, 24/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16/487 variables, 6/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 422/471 variables, 24/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/471 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1087 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1181ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 10 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Running 451 sub problems to find dead transitions.
[2025-05-31 20:56:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11133 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 7.11515e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20021 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31305ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31305ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31316 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1450 resets) in 268 ms. (148 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (159 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1109314 steps, run timeout after 3001 ms. (steps per millisecond=369 ) properties seen :0 out of 1
Probabilistic random walk after 1109314 steps, saw 305069 distinct states, run finished after 3001 ms. (steps per millisecond=369 ) properties seen :0
[2025-05-31 20:57:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 422/471 variables, 24/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 16/487 variables, 6/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 48/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 422/471 variables, 24/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/471 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/471 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9082 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9167ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 9 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 4 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:57:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:57:39] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-05-31 20:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:57:39] [INFO ] Implicit Places using invariants and state equation in 425 ms returned []
Implicit Place search using SMT with State Equation took 463 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:57:39] [INFO ] Redundant transitions in 5 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:57:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.46555e+10,48.849,992532,2,17282,22,3.54218e+06,7,0,646,5.20685e+06,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,48.8554,992532,1,0,22,3.54218e+06,7,0,647,5.20685e+06,0
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 10835 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30018 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41023ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41024ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41506 ms. Remains : 31/31 places, 456/456 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-14 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-14 in 176790 ms.
Starting property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[+inf]
// Phase 1: matrix 470 rows 36 cols
[2025-05-31 20:58:20] [INFO ] Computed 0 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (425 resets) in 41 ms. (238 steps per ms)
BEST_FIRST walk for 10001 steps (37 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:58:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:58:20] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2025-05-31 20:58:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-05-31 20:58:21] [INFO ] [Nat]Absence check using state equation in 552 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 36 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 36/36 places, 470/470 transitions.
Graph (complete) has 466 edges and 36 vertex of which 35 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 35 transition count 460
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 15 place count 31 transition count 456
Applied a total of 15 rules in 10 ms. Remains 31 /36 variables (removed 5) and now considering 456/470 (removed 14) transitions.
Running 451 sub problems to find dead transitions.
// Phase 1: matrix 456 rows 31 cols
[2025-05-31 20:58:21] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11028 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20025 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31204ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31205ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31216 ms. Remains : 31/36 places, 456/470 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:58:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (36197 resets) in 3845 ms. (260 steps per ms)
BEST_FIRST walk for 1000001 steps (4018 resets) in 828 ms. (1206 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-05-31 20:58:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:58:57] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2025-05-31 20:58:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-05-31 20:59:06] [INFO ] [Nat]Absence check using state equation in 9047 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 7 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 20:59:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:59:06] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-05-31 20:59:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 20:59:06] [INFO ] Implicit Places using invariants and state equation in 461 ms returned []
Implicit Place search using SMT with State Equation took 504 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 20:59:06] [INFO ] Redundant transitions in 8 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 20:59:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11057 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30016 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41256ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41258ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41787 ms. Remains : 31/31 places, 456/456 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
When looking for a positive semi flow solution, solver replied unsat
[2025-05-31 20:59:48] [INFO ] Flatten gal took : 12 ms
[2025-05-31 20:59:48] [INFO ] Flatten gal took : 13 ms
[2025-05-31 20:59:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2904623988305951076.gal : 2 ms
[2025-05-31 20:59:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2353530237918453769.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2904623988305951076.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2353530237918453769.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2353530237918453769.prop.
RANDOM walk for 40000 steps (1452 resets) in 248 ms. (160 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :9 after 76
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :76 after 415
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :415 after 1686
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1686 after 3454
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :3454 after 8846
BEST_FIRST walk for 40004 steps (159 resets) in 76 ms. (519 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8846 after 27451
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :27451 after 80478
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :80478 after 184028
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :184028 after 803167
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :803167 after 4.27324e+06
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4.27324e+06 after 1.75373e+07
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.75373e+07 after 4.01943e+07
Interrupted probabilistic random walk after 1118933 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1118933 steps, saw 307706 distinct states, run finished after 3001 ms. (steps per millisecond=372 ) properties seen :0
[2025-05-31 20:59:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 151/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :4.01943e+07 after 1.80002e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1079 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1168ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 8 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Running 451 sub problems to find dead transitions.
[2025-05-31 20:59:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :1.80002e+08 after 3.80487e+08
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11000 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :3.80487e+08 after 1.60963e+09
SDD proceeding with computation,1 properties remain. new max is 262144
SDD size :1.60963e+09 after 7.11515e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 20017 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31187ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 31189ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31199 ms. Remains : 31/31 places, 456/456 transitions.
RANDOM walk for 40000 steps (1445 resets) in 287 ms. (138 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (159 resets) in 48 ms. (816 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1126035 steps, run timeout after 3001 ms. (steps per millisecond=375 ) properties seen :0 out of 1
Probabilistic random walk after 1126035 steps, saw 309606 distinct states, run finished after 3001 ms. (steps per millisecond=375 ) properties seen :0
[2025-05-31 21:00:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 151/487 variables, 15/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 30/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 305/336 variables, 15/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/336 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 32 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9075 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9162ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 31 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 11 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 31/31 places, 456/456 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 31/31 places, 456/456 transitions.
Applied a total of 0 rules in 2 ms. Remains 31 /31 variables (removed 0) and now considering 456/456 (removed 0) transitions.
[2025-05-31 21:00:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 21:00:36] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-05-31 21:00:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-31 21:00:36] [INFO ] Implicit Places using invariants and state equation in 460 ms returned []
Implicit Place search using SMT with State Equation took 506 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-31 21:00:36] [INFO ] Redundant transitions in 6 ms returned []
Running 451 sub problems to find dead transitions.
[2025-05-31 21:00:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.46555e+10,49.0937,992560,2,17282,22,3.54218e+06,7,0,646,5.20685e+06,0
Total reachable state count : 14655455288

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,49.1005,992560,1,0,22,3.54218e+06,7,0,647,5.20685e+06,0
ITS tools runner thread asked to quit. Dying gracefully.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 1 (OVERLAPS) 456/487 variables, 31/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
At refinement iteration 3 (OVERLAPS) 0/487 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 451 unsolved
No progress, stopping.
After SMT solving in domain Real declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 11034 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 451/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 451 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 451 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 487/487 variables, and 31 constraints, problems are : Problem set: 0 solved, 451 unsolved in 30022 ms.
Refiners :[State Equation: 31/31 constraints, PredecessorRefiner: 0/451 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 41218ms problems are : Problem set: 0 solved, 451 unsolved
Search for dead transitions found 0 dead transitions in 41219ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41742 ms. Remains : 31/31 places, 456/456 transitions.
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-15 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for DNAwalker-PT-16redondantChoiceR-UpperBounds-15 in 177213 ms.
[2025-05-31 21:01:17] [INFO ] Flatten gal took : 15 ms
[2025-05-31 21:01:17] [INFO ] Applying decomposition
[2025-05-31 21:01:17] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph3568580027133098762.txt' '-o' '/tmp/graph3568580027133098762.bin' '-w' '/tmp/graph3568580027133098762.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3568580027133098762.bin' '-l' '-1' '-v' '-w' '/tmp/graph3568580027133098762.weights' '-q' '0' '-e' '0.001'
[2025-05-31 21:01:17] [INFO ] Decomposing Gal with order
[2025-05-31 21:01:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-31 21:01:17] [INFO ] Removed a total of 861 redundant transitions.
[2025-05-31 21:01:17] [INFO ] Flatten gal took : 14 ms
[2025-05-31 21:01:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2025-05-31 21:01:17] [INFO ] Time to serialize gal into /tmp/UpperBounds16260278219070360936.gal : 2 ms
[2025-05-31 21:01:17] [INFO ] Time to serialize properties into /tmp/UpperBounds11317244716292412891.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds16260278219070360936.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds11317244716292412891.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...285
Loading property file /tmp/UpperBounds11317244716292412891.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,7.82604e+10,57.7922,1770832,22074,13,2.88876e+06,286,549,6.78878e+06,15,313,0
Total reachable state count : 78260444816

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property DNAwalker-PT-16redondantChoiceR-UpperBounds-02 :0 <= u20.A21 <= 2
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-02 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-16redondantChoiceR-UpperBounds-02,0,58.8176,1770832,1,0,2.88876e+06,286,743,6.78878e+06,24,313,863
Min sum of variable value : 0
Maximum sum along a path : 2
Bounds property DNAwalker-PT-16redondantChoiceR-UpperBounds-04 :0 <= u16.A17 <= 2
FORMULA DNAwalker-PT-16redondantChoiceR-UpperBounds-04 2 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DNAwalker-PT-16redondantChoiceR-UpperBounds-04,0,58.8501,1770832,1,0,2.88876e+06,286,819,6.78878e+06,24,313,897
Total runtime 2959721 ms.

BK_STOP 1748725336814

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="DNAwalker-PT-16redondantChoiceR"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 2-5832"
echo " Executing tool itstools"
echo " Input is DNAwalker-PT-16redondantChoiceR, 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 r072-tall-174860067500445"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-16redondantChoiceR.tgz
mv DNAwalker-PT-16redondantChoiceR 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.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 ;