Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r111-tall-177955700900106.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is DNAwalker-PT-18lozangeBlock, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r111-tall-177955700900106
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 8.2K Mar 6 16:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 6 16:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 6 16:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 16:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:00 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Mar 6 16:00 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 16:00 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 16:00 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 15 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M Mar 3 18:30 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-18lozangeBlock-UpperBounds-00
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-01
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-02
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-03
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-04
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-05
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-06
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-07
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-08
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-09
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-10
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-11
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-12
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-13
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-14
FORMULA_NAME DNAwalker-PT-18lozangeBlock-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779628533739

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-18lozangeBlock
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-24 13:15:35] [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]
[2026-05-24 13:15:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:15:35] [INFO ] Load time of PNML (sax parser for PT used): 208 ms
[2026-05-24 13:15:35] [INFO ] Transformed 164 places.
[2026-05-24 13:15:35] [INFO ] Transformed 3697 transitions.
[2026-05-24 13:15:35] [INFO ] Parsed PT model containing 164 places and 3697 transitions and 10898 arcs in 331 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 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, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 3697 rows 164 cols
[2026-05-24 13:15:35] [INFO ] Computed 0 invariants in 50 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 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 (98 resets) in 175 ms. (56 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 313 ms. (509 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-24 13:15:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:37] [INFO ] [Real]Absence check using state equation in 913 ms returned sat
[2026-05-24 13:15:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:38] [INFO ] [Nat]Absence check using state equation in 1095 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:38] [INFO ] [Real]Absence check using state equation in 391 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:39] [INFO ] [Real]Absence check using state equation in 690 ms returned sat
[2026-05-24 13:15:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:40] [INFO ] [Nat]Absence check using state equation in 954 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:41] [INFO ] [Real]Absence check using state equation in 488 ms returned sat
[2026-05-24 13:15:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:42] [INFO ] [Nat]Absence check using state equation in 904 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:42] [INFO ] [Real]Absence check using state equation in 447 ms returned sat
[2026-05-24 13:15:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:43] [INFO ] [Nat]Absence check using state equation in 955 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:44] [INFO ] [Real]Absence check using state equation in 349 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:44] [INFO ] [Real]Absence check using state equation in 436 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:45] [INFO ] [Real]Absence check using state equation in 533 ms returned sat
[2026-05-24 13:15:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:46] [INFO ] [Nat]Absence check using state equation in 910 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:46] [INFO ] [Real]Absence check using state equation in 380 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:47] [INFO ] [Real]Absence check using state equation in 329 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:47] [INFO ] [Real]Absence check using state equation in 490 ms returned sat
[2026-05-24 13:15:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:48] [INFO ] [Nat]Absence check using state equation in 959 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:49] [INFO ] [Real]Absence check using state equation in 544 ms returned sat
[2026-05-24 13:15:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:50] [INFO ] [Nat]Absence check using state equation in 966 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:50] [INFO ] [Real]Absence check using state equation in 307 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:51] [INFO ] [Real]Absence check using state equation in 574 ms returned sat
[2026-05-24 13:15:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:52] [INFO ] [Nat]Absence check using state equation in 904 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:53] [INFO ] [Real]Absence check using state equation in 749 ms returned sat
[2026-05-24 13:15:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:54] [INFO ] [Nat]Absence check using state equation in 952 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:54] [INFO ] [Real]Absence check using state equation in 457 ms returned sat
[2026-05-24 13:15:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:15:55] [INFO ] [Nat]Absence check using state equation in 904 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 1, 2, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 2, 2] Max Struct:[+inf, 1, +inf, +inf, +inf, 1, 1, +inf, 1, 1, +inf, +inf, 1, +inf, +inf, +inf]
FORMULA DNAwalker-PT-18lozangeBlock-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-18lozangeBlock-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-18lozangeBlock-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-18lozangeBlock-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-18lozangeBlock-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA DNAwalker-PT-18lozangeBlock-UpperBounds-01 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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 164 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 164/164 places, 3697/3697 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 65 transitions
Reduce isomorphic transitions removed 65 transitions.
Iterating post reduction 0 with 65 rules applied. Total rules applied 65 place count 164 transition count 3632
Reduce places removed 60 places and 60 transitions.
Iterating global reduction 1 with 60 rules applied. Total rules applied 125 place count 104 transition count 3572
Applied a total of 125 rules in 226 ms. Remains 104 /164 variables (removed 60) and now considering 3572/3697 (removed 125) transitions.
Running 3547 sub problems to find dead transitions.
// Phase 1: matrix 3572 rows 104 cols
[2026-05-24 13:15:56] [INFO ] Computed 0 invariants in 19 ms
[2026-05-24 13:15:56] [INFO ] State equation strengthened by 146 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3547 unsolved
SMT process timed out in 24022ms, After SMT, problems are : Problem set: 0 solved, 3547 unsolved
Search for dead transitions found 0 dead transitions in 24082ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24372 ms. Remains : 104/164 places, 3572/3697 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
[2026-05-24 13:16:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (15485 resets) in 14067 ms. (71 steps per ms)
BEST_FIRST walk for 10000009 steps (6340 resets) in 17538 ms. (570 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-24 13:16:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:52] [INFO ] [Real]Absence check using state equation in 486 ms returned sat
[2026-05-24 13:16:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:58] [INFO ] [Nat]Absence check using state equation in 4947 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:16:58] [INFO ] [Real]Absence check using state equation in 431 ms returned sat
[2026-05-24 13:16:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:03] [INFO ] [Nat]Absence check using state equation in 4949 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:04] [INFO ] [Real]Absence check using state equation in 462 ms returned sat
[2026-05-24 13:17:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:09] [INFO ] [Nat]Absence check using state equation in 4896 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:09] [INFO ] [Real]Absence check using state equation in 506 ms returned sat
[2026-05-24 13:17:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:14] [INFO ] [Nat]Absence check using state equation in 4870 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:15] [INFO ] [Real]Absence check using state equation in 442 ms returned sat
[2026-05-24 13:17:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:20] [INFO ] [Nat]Absence check using state equation in 4932 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:20] [INFO ] [Real]Absence check using state equation in 458 ms returned sat
[2026-05-24 13:17:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:25] [INFO ] [Nat]Absence check using state equation in 4898 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:26] [INFO ] [Real]Absence check using state equation in 510 ms returned sat
[2026-05-24 13:17:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:31] [INFO ] [Nat]Absence check using state equation in 4874 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:31] [INFO ] [Real]Absence check using state equation in 459 ms returned sat
[2026-05-24 13:17:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:36] [INFO ] [Nat]Absence check using state equation in 4870 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:37] [INFO ] [Real]Absence check using state equation in 443 ms returned sat
[2026-05-24 13:17:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:42] [INFO ] [Nat]Absence check using state equation in 4887 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:42] [INFO ] [Real]Absence check using state equation in 396 ms returned sat
[2026-05-24 13:17:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:17:47] [INFO ] [Nat]Absence check using state equation in 4870 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 104 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 3572/3572 transitions.
Applied a total of 0 rules in 40 ms. Remains 104 /104 variables (removed 0) and now considering 3572/3572 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 104/104 places, 3572/3572 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 104/104 places, 3572/3572 transitions.
Applied a total of 0 rules in 38 ms. Remains 104 /104 variables (removed 0) and now considering 3572/3572 (removed 0) transitions.
[2026-05-24 13:17:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:17:47] [INFO ] Implicit Places using invariants in 227 ms returned []
[2026-05-24 13:17:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:17:48] [INFO ] State equation strengthened by 146 read => feed constraints.
[2026-05-24 13:18:18] [INFO ] Performed 78/104 implicitness test of which 1 returned IMPLICIT in 30 seconds.
[2026-05-24 13:18:22] [INFO ] Implicit Places using invariants and state equation in 34347 ms returned [0]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Implicit Place search using SMT with State Equation took 34606 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 103/104 places, 3554/3572 transitions.
Applied a total of 0 rules in 103 ms. Remains 103 /103 variables (removed 0) and now considering 3554/3554 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 34765 ms. Remains : 103/104 places, 3554/3572 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 3554 rows 103 cols
[2026-05-24 13:18:23] [INFO ] Computed 0 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (11609 resets) in 12145 ms. (82 steps per ms)
BEST_FIRST walk for 10000010 steps (5338 resets) in 16273 ms. (614 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-24 13:18:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:18:51] [INFO ] [Real]Absence check using state equation in 459 ms returned sat
[2026-05-24 13:18:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:01] [INFO ] [Nat]Absence check using state equation in 9398 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:01] [INFO ] [Real]Absence check using state equation in 382 ms returned sat
[2026-05-24 13:19:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:11] [INFO ] [Nat]Absence check using state equation in 9371 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:11] [INFO ] [Real]Absence check using state equation in 406 ms returned sat
[2026-05-24 13:19:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:21] [INFO ] [Nat]Absence check using state equation in 9419 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:21] [INFO ] [Real]Absence check using state equation in 372 ms returned sat
[2026-05-24 13:19:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:31] [INFO ] [Nat]Absence check using state equation in 9397 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:31] [INFO ] [Real]Absence check using state equation in 393 ms returned sat
[2026-05-24 13:19:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:41] [INFO ] [Nat]Absence check using state equation in 9373 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:41] [INFO ] [Real]Absence check using state equation in 424 ms returned sat
[2026-05-24 13:19:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:51] [INFO ] [Nat]Absence check using state equation in 9394 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:19:51] [INFO ] [Real]Absence check using state equation in 412 ms returned sat
[2026-05-24 13:19:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:01] [INFO ] [Nat]Absence check using state equation in 9420 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:01] [INFO ] [Real]Absence check using state equation in 579 ms returned sat
[2026-05-24 13:20:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:11] [INFO ] [Nat]Absence check using state equation in 9434 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:11] [INFO ] [Real]Absence check using state equation in 543 ms returned sat
[2026-05-24 13:20:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:21] [INFO ] [Nat]Absence check using state equation in 9440 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:21] [INFO ] [Real]Absence check using state equation in 395 ms returned sat
[2026-05-24 13:20:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:20:31] [INFO ] [Nat]Absence check using state equation in 9439 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Applied a total of 0 rules in 57 ms. Remains 103 /103 variables (removed 0) and now considering 3554/3554 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 58 ms. Remains : 103/103 places, 3554/3554 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Applied a total of 0 rules in 52 ms. Remains 103 /103 variables (removed 0) and now considering 3554/3554 (removed 0) transitions.
[2026-05-24 13:20:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:20:31] [INFO ] Implicit Places using invariants in 248 ms returned []
[2026-05-24 13:20:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:20:32] [INFO ] State equation strengthened by 146 read => feed constraints.
[2026-05-24 13:21:02] [INFO ] Performed 58/103 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:21:20] [INFO ] Implicit Places using invariants and state equation in 49155 ms returned []
Implicit Place search using SMT with State Equation took 49409 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:21:21] [INFO ] Redundant transitions in 230 ms returned []
Running 3529 sub problems to find dead transitions.
[2026-05-24 13:21:21] [INFO ] Invariant cache hit.
[2026-05-24 13:21:21] [INFO ] State equation strengthened by 146 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3529 unsolved
At refinement iteration 1 (OVERLAPS) 3554/3653 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3529 unsolved
SMT process timed out in 33703ms, After SMT, problems are : Problem set: 0 solved, 3529 unsolved
Search for dead transitions found 0 dead transitions in 33712ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83443 ms. Remains : 103/103 places, 3554/3554 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
RANDOM walk for 40000 steps (464 resets) in 1684 ms. (23 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (21 resets) in 312 ms. (127 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (19 resets) in 187 ms. (212 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 217 ms. (183 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (22 resets) in 269 ms. (148 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 269 ms. (148 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 266 ms. (149 steps per ms) remains 10/10 properties
[2026-05-24 13:21:56] [INFO ] Flatten gal took : 487 ms
BEST_FIRST walk for 40004 steps (21 resets) in 187 ms. (212 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 215 ms. (185 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (20 resets) in 208 ms. (191 steps per ms) remains 10/10 properties
[2026-05-24 13:21:56] [INFO ] Flatten gal took : 220 ms
BEST_FIRST walk for 40004 steps (22 resets) in 201 ms. (198 steps per ms) remains 10/10 properties
[2026-05-24 13:21:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9029925484652339963.gal : 98 ms
[2026-05-24 13:21:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16199788025914874306.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/ReachabilityCardinality9029925484652339963.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16199788025914874306.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/ReachabilityCardinality16199788025914874306.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 28
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :28 after 43
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :43 after 188
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :188 after 2599
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :2599 after 24003
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :24003 after 244070
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :244070 after 1.1095e+06
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :1.1095e+06 after 2.15662e+07
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :2.15662e+07 after 2.19381e+07
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :2.19381e+07 after 4.6061e+07
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :4.6061e+07 after 1.26617e+08
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :1.26617e+08 after 1.30577e+09
Interrupted probabilistic random walk after 120936 steps, run timeout after 3001 ms. (steps per millisecond=40 ) properties seen :0 out of 10
Probabilistic random walk after 120936 steps, saw 31800 distinct states, run finished after 3010 ms. (steps per millisecond=40 ) properties seen :0
[2026-05-24 13:21:59] [INFO ] Invariant cache hit.
[2026-05-24 13:22:00] [INFO ] State equation strengthened by 146 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 584/594 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/594 variables, 146/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/594 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :1.30577e+09 after 9.05565e+09
At refinement iteration 4 (OVERLAPS) 3063/3657 variables, 93/249 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3657 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/3657 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3657/3657 variables, and 249 constraints, problems are : Problem set: 0 solved, 10 unsolved in 2159 ms.
Refiners :[State Equation: 103/103 constraints, ReadFeed: 146/146 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 584/594 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/594 variables, 146/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/594 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,10 properties remain. new max is 32768
SDD size :9.05565e+09 after 6.04524e+10
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3657/3657 variables, and 249 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5017 ms.
Refiners :[State Equation: 103/103 constraints, ReadFeed: 146/146 constraints, PredecessorRefiner: 0/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7233ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Applied a total of 0 rules in 36 ms. Remains 103 /103 variables (removed 0) and now considering 3554/3554 (removed 0) transitions.
Running 3529 sub problems to find dead transitions.
[2026-05-24 13:22:07] [INFO ] Invariant cache hit.
[2026-05-24 13:22:07] [INFO ] State equation strengthened by 146 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,10 properties remain. new max is 65536
SDD size :6.04524e+10 after 2.78423e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3529 unsolved
SMT process timed out in 23992ms, After SMT, problems are : Problem set: 0 solved, 3529 unsolved
Search for dead transitions found 0 dead transitions in 24003ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24051 ms. Remains : 103/103 places, 3554/3554 transitions.
RANDOM walk for 40000 steps (459 resets) in 909 ms. (43 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 120 ms. (330 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 109 ms. (363 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (20 resets) in 112 ms. (354 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (19 resets) in 265 ms. (150 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 111 ms. (357 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (20 resets) in 102 ms. (388 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (22 resets) in 111 ms. (357 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 108 ms. (367 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (21 resets) in 111 ms. (357 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (20 resets) in 107 ms. (370 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 131072
SDD size :2.78423e+11 after 1.35275e+12
Interrupted probabilistic random walk after 232259 steps, run timeout after 3001 ms. (steps per millisecond=77 ) properties seen :0 out of 10
Probabilistic random walk after 232259 steps, saw 55275 distinct states, run finished after 3001 ms. (steps per millisecond=77 ) properties seen :0
[2026-05-24 13:22:34] [INFO ] Invariant cache hit.
[2026-05-24 13:22:34] [INFO ] State equation strengthened by 146 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 584/594 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/594 variables, 146/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/594 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 3063/3657 variables, 93/249 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3657 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/3657 variables, 0/249 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3657/3657 variables, and 249 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1835 ms.
Refiners :[State Equation: 103/103 constraints, ReadFeed: 146/146 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 584/594 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/594 variables, 146/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/594 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Detected timeout of ITS tools.
[2026-05-24 13:22:47] [INFO ] Flatten gal took : 91 ms
[2026-05-24 13:22:47] [INFO ] Applying decomposition
[2026-05-24 13:22:47] [INFO ] Flatten gal took : 87 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/graph8790387313482702720.txt' '-o' '/tmp/graph8790387313482702720.bin' '-w' '/tmp/graph8790387313482702720.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8790387313482702720.bin' '-l' '-1' '-v' '-w' '/tmp/graph8790387313482702720.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:22:47] [INFO ] Decomposing Gal with order
[2026-05-24 13:22:47] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:22:48] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:22:48] [INFO ] Flatten gal took : 284 ms
[2026-05-24 13:22:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 33 ms.
[2026-05-24 13:22:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16750124755817203705.gal : 19 ms
[2026-05-24 13:22:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14511755654679694003.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/ReachabilityCardinality16750124755817203705.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14511755654679694003.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 ...309
Loading property file /tmp/ReachabilityCardinality14511755654679694003.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 2.6098e+09
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3657/3657 variables, and 249 constraints, problems are : Problem set: 0 solved, 10 unsolved in 45011 ms.
Refiners :[State Equation: 103/103 constraints, ReadFeed: 146/146 constraints, PredecessorRefiner: 0/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 46867ms problems are : Problem set: 0 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 10 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Applied a total of 0 rules in 52 ms. Remains 103 /103 variables (removed 0) and now considering 3554/3554 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 103/103 places, 3554/3554 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Applied a total of 0 rules in 45 ms. Remains 103 /103 variables (removed 0) and now considering 3554/3554 (removed 0) transitions.
[2026-05-24 13:23:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:23:22] [INFO ] Implicit Places using invariants in 199 ms returned []
[2026-05-24 13:23:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:23:22] [INFO ] State equation strengthened by 146 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-24 13:23:52] [INFO ] Performed 59/103 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:24:10] [INFO ] Implicit Places using invariants and state equation in 48262 ms returned []
Implicit Place search using SMT with State Equation took 48465 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:24:10] [INFO ] Redundant transitions in 199 ms returned []
Running 3529 sub problems to find dead transitions.
[2026-05-24 13:24:10] [INFO ] Invariant cache hit.
[2026-05-24 13:24:10] [INFO ] State equation strengthened by 146 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3529 unsolved
At refinement iteration 1 (OVERLAPS) 3554/3653 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3529 unsolved
SMT process timed out in 33569ms, After SMT, problems are : Problem set: 0 solved, 3529 unsolved
Search for dead transitions found 0 dead transitions in 33575ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 82312 ms. Remains : 103/103 places, 3554/3554 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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]
[2026-05-24 13:24:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (116 resets) in 127 ms. (78 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 17 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:24:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:24:44] [INFO ] [Real]Absence check using state equation in 504 ms returned sat
[2026-05-24 13:24:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:24:46] [INFO ] [Nat]Absence check using state equation in 1420 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 103 transition count 3551
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 7 place count 99 transition count 3547
Applied a total of 7 rules in 91 ms. Remains 99 /103 variables (removed 4) and now considering 3547/3554 (removed 7) transitions.
Running 3525 sub problems to find dead transitions.
// Phase 1: matrix 3547 rows 99 cols
[2026-05-24 13:24:46] [INFO ] Computed 0 invariants in 21 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 2.0)
(s1 2.0)
(s2 2.0)
(s3 2.0)
(s4 2.0)
(s5 2.0)
(s6 2.0)
(s7 2.0)
(s8 2.0)
(s9 2.0)
(s10 2.0)
(s11 2.0)
(s12 2.0)
(s13 2.0)
(s14 2.0)
(s15 2.0)
(s16 2.0)
(s17 2.0)
(s18 2.0)
(s19 2.0)
(s20 2.0)
(s21 2.0)
(s22 2.0)
(s23 2.0)
(s24 2.0)
(s25 2.0)
(s26 2.0)
(s27 2.0)
(s28 2.0)
(s29 2.0)
(s30 2.0)
(s31 2.0)
(s32 2.0)
(s33 2.0)
(s34 2.0)
(s35 2.0)
(s36 2.0)
(s37 2.0)
(s38 2.0)
(s39 2.0)
(s40 2.0)
(s41 2.0)
(s42 2.0)
(s43 2.0)
(s44 2.0)
(s45 2.0)
(s46 2.0)
(s47 2.0)
(s48 2.0)
(s49 2.0)
(s50 2.0)
(s51 2.0)
(s52 2.0)
(s53 timeout
2.0)
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23666ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23673ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23774 ms. Remains : 99/103 places, 3547/3554 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
[2026-05-24 13:25:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11432 resets) in 12131 ms. (82 steps per ms)
BEST_FIRST walk for 1000001 steps (562 resets) in 1680 ms. (594 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:25:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:25:25] [INFO ] [Real]Absence check using state equation in 506 ms returned sat
[2026-05-24 13:25:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:25:30] [INFO ] [Nat]Absence check using state equation in 4889 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 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 54 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 99/99 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 35 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 13:25:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:25:30] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-24 13:25:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:26:01] [INFO ] Performed 76/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:26:07] [INFO ] Implicit Places using invariants and state equation in 36744 ms returned []
Implicit Place search using SMT with State Equation took 36931 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:26:07] [INFO ] Redundant transitions in 175 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:26:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30053 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 3624 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 31583 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64856ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 64863ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102031 ms. Remains : 99/99 places, 3547/3547 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
[2026-05-24 13:27:12] [INFO ] Flatten gal took : 78 ms
[2026-05-24 13:27:13] [INFO ] Flatten gal took : 68 ms
[2026-05-24 13:27:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality956892442747661747.gal : 20 ms
[2026-05-24 13:27:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6014037875289138713.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/ReachabilityCardinality956892442747661747.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6014037875289138713.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 ...327
RANDOM walk for 40000 steps (460 resets) in 1041 ms. (38 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (23 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality6014037875289138713.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
Interrupted probabilistic random walk after 293273 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 293273 steps, saw 70424 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
[2026-05-24 13:27:16] [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) 61/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1678/1740 variables, 30/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1740 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1655/3395 variables, 49/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3395 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 251/3646 variables, 19/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 514 ms.
Refiners :[State Equation: 99/99 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) 61/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1678/1740 variables, 30/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1740 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1740 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1655/3395 variables, 49/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3395 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1580 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2105ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 47 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:27:18] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23541ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23547ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23600 ms. Remains : 99/99 places, 3547/3547 transitions.
RANDOM walk for 40000 steps (455 resets) in 910 ms. (43 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (21 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 298989 steps, run timeout after 3001 ms. (steps per millisecond=99 ) properties seen :0 out of 1
Probabilistic random walk after 298989 steps, saw 71485 distinct states, run finished after 3001 ms. (steps per millisecond=99 ) properties seen :0
[2026-05-24 13:27:45] [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) 61/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1678/1740 variables, 30/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1740 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1655/3395 variables, 49/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3395 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 251/3646 variables, 19/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 544 ms.
Refiners :[State Equation: 99/99 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) 61/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1678/1740 variables, 30/31 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1740 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1740 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1655/3395 variables, 49/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3395 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9592 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10143ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 44 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 99/99 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 33 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 13:27:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:27:55] [INFO ] Implicit Places using invariants in 161 ms returned []
[2026-05-24 13:27:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-24 13:28:03] [INFO ] Flatten gal took : 86 ms
[2026-05-24 13:28:03] [INFO ] Applying decomposition
[2026-05-24 13:28:03] [INFO ] Flatten gal took : 65 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/graph14469476147835839488.txt' '-o' '/tmp/graph14469476147835839488.bin' '-w' '/tmp/graph14469476147835839488.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14469476147835839488.bin' '-l' '-1' '-v' '-w' '/tmp/graph14469476147835839488.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:28:03] [INFO ] Decomposing Gal with order
[2026-05-24 13:28:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:28:03] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:28:03] [INFO ] Flatten gal took : 124 ms
[2026-05-24 13:28:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 12 ms.
[2026-05-24 13:28:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8711828460779875829.gal : 11 ms
[2026-05-24 13:28:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9256050679615576171.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/ReachabilityCardinality8711828460779875829.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9256050679615576171.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/ReachabilityCardinality9256050679615576171.prop.
[2026-05-24 13:28:26] [INFO ] Performed 76/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:28:32] [INFO ] Implicit Places using invariants and state equation in 36928 ms returned []
Implicit Place search using SMT with State Equation took 37091 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:28:32] [INFO ] Redundant transitions in 257 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:28:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30059 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 3624 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 31389 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65236ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 65243ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102647 ms. Remains : 99/99 places, 3547/3547 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-00 in 293878 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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 3554 rows 103 cols
[2026-05-24 13:29:38] [INFO ] Computed 0 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (113 resets) in 129 ms. (76 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:29:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:29:38] [INFO ] [Real]Absence check using state equation in 421 ms returned sat
[2026-05-24 13:29:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:29:40] [INFO ] [Nat]Absence check using state equation in 1423 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 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 103 transition count 3550
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 99 transition count 3546
Applied a total of 8 rules in 83 ms. Remains 99 /103 variables (removed 4) and now considering 3546/3554 (removed 8) transitions.
Running 3524 sub problems to find dead transitions.
// Phase 1: matrix 3546 rows 99 cols
[2026-05-24 13:29:40] [INFO ] Computed 0 invariants in 11 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23765ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23772ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23863 ms. Remains : 99/103 places, 3546/3554 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
[2026-05-24 13:30:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11174 resets) in 11785 ms. (84 steps per ms)
BEST_FIRST walk for 1000001 steps (547 resets) in 1588 ms. (629 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:30:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:18] [INFO ] [Real]Absence check using state equation in 410 ms returned sat
[2026-05-24 13:30:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:30:23] [INFO ] [Nat]Absence check using state equation in 4911 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 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 40 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 32 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 13:30:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:30:23] [INFO ] Implicit Places using invariants in 188 ms returned []
[2026-05-24 13:30:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:30:54] [INFO ] Performed 74/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:30:59] [INFO ] Implicit Places using invariants and state equation in 36259 ms returned []
Implicit Place search using SMT with State Equation took 36451 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:31:00] [INFO ] Redundant transitions in 150 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:31:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30051 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31341 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64812ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 64818ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101470 ms. Remains : 99/99 places, 3546/3546 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
[2026-05-24 13:32:05] [INFO ] Flatten gal took : 144 ms
RANDOM walk for 40000 steps (446 resets) in 757 ms. (52 steps per ms) remains 1/1 properties
[2026-05-24 13:32:05] [INFO ] Flatten gal took : 85 ms
[2026-05-24 13:32:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4863179645128725098.gal : 11 ms
[2026-05-24 13:32:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2557981576081409427.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/ReachabilityCardinality4863179645128725098.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2557981576081409427.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (20 resets) in 138 ms. (287 steps per ms) remains 1/1 properties

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/ReachabilityCardinality2557981576081409427.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
Interrupted probabilistic random walk after 291318 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 291318 steps, saw 70050 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
[2026-05-24 13:32:08] [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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1459/1522 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1522 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1569/3091 variables, 39/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3091 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 545/3636 variables, 25/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3636 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 9/3645 variables, 3/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 529 ms.
Refiners :[State Equation: 99/99 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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1459/1522 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1522 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1522 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1569/3091 variables, 39/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3091 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 545/3636 variables, 25/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3636 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1651 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2188ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 42 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:32:10] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23742ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23747ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23796 ms. Remains : 99/99 places, 3546/3546 transitions.
RANDOM walk for 40000 steps (447 resets) in 831 ms. (48 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 156 ms. (254 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 263678 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 1
Probabilistic random walk after 263678 steps, saw 64921 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2026-05-24 13:32:37] [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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1459/1522 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1522 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1569/3091 variables, 39/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3091 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 545/3636 variables, 25/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3636 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 9/3645 variables, 3/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 577 ms.
Refiners :[State Equation: 99/99 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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1459/1522 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1522 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1522 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1569/3091 variables, 39/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3091 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 545/3636 variables, 25/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3636 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9680 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10268ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 49 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 40 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 13:32:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:32:48] [INFO ] Implicit Places using invariants in 179 ms returned []
[2026-05-24 13:32:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-24 13:32:55] [INFO ] Flatten gal took : 62 ms
[2026-05-24 13:32:55] [INFO ] Applying decomposition
[2026-05-24 13:32:55] [INFO ] Flatten gal took : 64 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/graph5217860373315182728.txt' '-o' '/tmp/graph5217860373315182728.bin' '-w' '/tmp/graph5217860373315182728.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5217860373315182728.bin' '-l' '-1' '-v' '-w' '/tmp/graph5217860373315182728.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:32:55] [INFO ] Decomposing Gal with order
[2026-05-24 13:32:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:32:56] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:32:56] [INFO ] Flatten gal took : 141 ms
[2026-05-24 13:32:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 13 ms.
[2026-05-24 13:32:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6883087789925651339.gal : 20 ms
[2026-05-24 13:32:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7840671586813624029.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/ReachabilityCardinality6883087789925651339.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7840671586813624029.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/ReachabilityCardinality7840671586813624029.prop.
[2026-05-24 13:33:19] [INFO ] Performed 74/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:33:24] [INFO ] Implicit Places using invariants and state equation in 36512 ms returned []
Implicit Place search using SMT with State Equation took 36698 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:33:25] [INFO ] Redundant transitions in 144 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:33:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30049 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31284 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64866ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 64873ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101772 ms. Remains : 99/99 places, 3546/3546 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-02 in 291921 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-03
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 3554 rows 103 cols
[2026-05-24 13:34:30] [INFO ] Computed 0 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (118 resets) in 135 ms. (73 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 19 ms. (500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:34:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:34:30] [INFO ] [Real]Absence check using state equation in 440 ms returned sat
[2026-05-24 13:34:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:34:32] [INFO ] [Nat]Absence check using state equation in 1383 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 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 103 transition count 3550
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 7 place count 100 transition count 3547
Applied a total of 7 rules in 85 ms. Remains 100 /103 variables (removed 3) and now considering 3547/3554 (removed 7) transitions.
Running 3524 sub problems to find dead transitions.
// Phase 1: matrix 3547 rows 100 cols
[2026-05-24 13:34:32] [INFO ] Computed 0 invariants in 15 ms
[2026-05-24 13:34:32] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23688ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23697ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23791 ms. Remains : 100/103 places, 3547/3554 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
[2026-05-24 13:34:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11041 resets) in 12531 ms. (79 steps per ms)
BEST_FIRST walk for 1000001 steps (538 resets) in 1726 ms. (579 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:35:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:35:11] [INFO ] [Real]Absence check using state equation in 633 ms returned sat
[2026-05-24 13:35:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:35:20] [INFO ] [Nat]Absence check using state equation in 9498 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 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 42 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 100/100 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 34 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 13:35:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:35:21] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-24 13:35:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:35:21] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-24 13:35:52] [INFO ] Performed 66/100 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:36:02] [INFO ] Implicit Places using invariants and state equation in 41022 ms returned []
Implicit Place search using SMT with State Equation took 41207 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:36:02] [INFO ] Redundant transitions in 144 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:36:02] [INFO ] Invariant cache hit.
[2026-05-24 13:36:02] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3646 variables, 35/134 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3647 variables, and 134 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30053 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 63314ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 63321ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104725 ms. Remains : 100/100 places, 3547/3547 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
[2026-05-24 13:37:06] [INFO ] Flatten gal took : 59 ms
[2026-05-24 13:37:06] [INFO ] Flatten gal took : 60 ms
[2026-05-24 13:37:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12314817775349780294.gal : 10 ms
[2026-05-24 13:37:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11005346835596353526.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/ReachabilityCardinality12314817775349780294.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11005346835596353526.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 (439 resets) in 1533 ms. (26 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality11005346835596353526.prop.
BEST_FIRST walk for 40004 steps (20 resets) in 157 ms. (253 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
Interrupted probabilistic random walk after 280128 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 1
Probabilistic random walk after 280128 steps, saw 70406 distinct states, run finished after 3001 ms. (steps per millisecond=93 ) properties seen :0
[2026-05-24 13:37:09] [INFO ] Invariant cache hit.
[2026-05-24 13:37:09] [INFO ] State equation strengthened by 35 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) 71/72 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1604/1676 variables, 36/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1676 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1509/3185 variables, 39/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3185 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 453/3638 variables, 21/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3638 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/3647 variables, 3/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3647 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/3647 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3647/3647 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 569 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 35/35 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) 71/72 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1604/1676 variables, 36/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1676 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1676 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1509/3185 variables, 39/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3185 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 453/3638 variables, 21/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3638 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3647/3647 variables, and 136 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1775 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2379ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 32 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:37:12] [INFO ] Invariant cache hit.
[2026-05-24 13:37:12] [INFO ] State equation strengthened by 35 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23760ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23765ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23803 ms. Remains : 100/100 places, 3547/3547 transitions.
RANDOM walk for 40000 steps (440 resets) in 651 ms. (61 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 266585 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 1
Probabilistic random walk after 266585 steps, saw 67878 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2026-05-24 13:37:39] [INFO ] Invariant cache hit.
[2026-05-24 13:37:39] [INFO ] State equation strengthened by 35 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) 71/72 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1604/1676 variables, 36/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1676 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1509/3185 variables, 39/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3185 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 453/3638 variables, 21/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3638 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 9/3647 variables, 3/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3647 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/3647 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3647/3647 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 635 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 35/35 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) 71/72 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 35/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/72 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1604/1676 variables, 36/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1676 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1676 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1509/3185 variables, 39/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3185 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 453/3638 variables, 21/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3638 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3647/3647 variables, and 136 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9777 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10426ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 41 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 100/100 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 33 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 13:37:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:37:49] [INFO ] Implicit Places using invariants in 179 ms returned []
[2026-05-24 13:37:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:37:50] [INFO ] State equation strengthened by 35 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-24 13:37:56] [INFO ] Flatten gal took : 57 ms
[2026-05-24 13:37:56] [INFO ] Applying decomposition
[2026-05-24 13:37:56] [INFO ] Flatten gal took : 58 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/graph8538618335831819255.txt' '-o' '/tmp/graph8538618335831819255.bin' '-w' '/tmp/graph8538618335831819255.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8538618335831819255.bin' '-l' '-1' '-v' '-w' '/tmp/graph8538618335831819255.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:37:56] [INFO ] Decomposing Gal with order
[2026-05-24 13:37:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:37:56] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:37:56] [INFO ] Flatten gal took : 110 ms
[2026-05-24 13:37:56] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 11 ms.
[2026-05-24 13:37:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15973949525924144164.gal : 11 ms
[2026-05-24 13:37:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3268337304197156350.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/ReachabilityCardinality15973949525924144164.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3268337304197156350.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/ReachabilityCardinality3268337304197156350.prop.
[2026-05-24 13:38:20] [INFO ] Performed 66/100 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:38:30] [INFO ] Implicit Places using invariants and state equation in 40355 ms returned []
Implicit Place search using SMT with State Equation took 40537 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:38:30] [INFO ] Redundant transitions in 149 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:38:30] [INFO ] Invariant cache hit.
[2026-05-24 13:38:30] [INFO ] State equation strengthened by 35 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3646 variables, 35/134 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3647 variables, and 134 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30060 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 64006ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 64013ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104749 ms. Remains : 100/100 places, 3547/3547 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-03 in 304348 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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 3554 rows 103 cols
[2026-05-24 13:39:34] [INFO ] Computed 0 invariants in 17 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (116 resets) in 137 ms. (72 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:39:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:39:34] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2026-05-24 13:39:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:39:36] [INFO ] [Nat]Absence check using state equation in 1412 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 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 103 transition count 3550
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 99 transition count 3546
Applied a total of 8 rules in 139 ms. Remains 99 /103 variables (removed 4) and now considering 3546/3554 (removed 8) transitions.
Running 3524 sub problems to find dead transitions.
// Phase 1: matrix 3546 rows 99 cols
[2026-05-24 13:39:36] [INFO ] Computed 0 invariants in 7 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23732ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23741ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23887 ms. Remains : 99/103 places, 3546/3554 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
[2026-05-24 13:40:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11170 resets) in 12284 ms. (81 steps per ms)
BEST_FIRST walk for 1000001 steps (546 resets) in 1610 ms. (620 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:40:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:40:15] [INFO ] [Real]Absence check using state equation in 450 ms returned sat
[2026-05-24 13:40:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:40:20] [INFO ] [Nat]Absence check using state equation in 4911 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 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 38 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 31 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 13:40:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:40:20] [INFO ] Implicit Places using invariants in 181 ms returned []
[2026-05-24 13:40:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:40:51] [INFO ] Performed 77/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:40:56] [INFO ] Implicit Places using invariants and state equation in 35547 ms returned []
Implicit Place search using SMT with State Equation took 35735 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:40:56] [INFO ] Redundant transitions in 142 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:40:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30051 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31250 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64343ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 64350ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100272 ms. Remains : 99/99 places, 3546/3546 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
[2026-05-24 13:42:01] [INFO ] Flatten gal took : 63 ms
[2026-05-24 13:42:01] [INFO ] Flatten gal took : 61 ms
[2026-05-24 13:42:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality776222702972453675.gal : 10 ms
[2026-05-24 13:42:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7625593562545325919.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/ReachabilityCardinality776222702972453675.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7625593562545325919.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 ...327
RANDOM walk for 40000 steps (446 resets) in 669 ms. (59 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality7625593562545325919.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
Interrupted probabilistic random walk after 281498 steps, run timeout after 3001 ms. (steps per millisecond=93 ) properties seen :0 out of 1
Probabilistic random walk after 281498 steps, saw 68240 distinct states, run finished after 3001 ms. (steps per millisecond=93 ) properties seen :0
[2026-05-24 13:42:04] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1481/2237 variables, 31/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2237 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1187/3424 variables, 35/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3424 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 220/3644 variables, 14/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3644 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/3645 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 559 ms.
Refiners :[State Equation: 99/99 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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/756 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1481/2237 variables, 31/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2237 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1187/3424 variables, 35/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3424 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 220/3644 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3644 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1688 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2255ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 38 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:42:06] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23279ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23288ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23335 ms. Remains : 99/99 places, 3546/3546 transitions.
RANDOM walk for 40000 steps (446 resets) in 1215 ms. (32 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 109 ms. (363 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 292291 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 292291 steps, saw 70222 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
[2026-05-24 13:42:33] [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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1481/2237 variables, 31/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2237 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1187/3424 variables, 35/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3424 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 220/3644 variables, 14/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3644 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/3645 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 600 ms.
Refiners :[State Equation: 99/99 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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/756 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1481/2237 variables, 31/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2237 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1187/3424 variables, 35/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3424 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 220/3644 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3644 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9740 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10348ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 45 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 35 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 13:42:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:42:43] [INFO ] Implicit Places using invariants in 157 ms returned []
[2026-05-24 13:42:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-24 13:42:51] [INFO ] Flatten gal took : 54 ms
[2026-05-24 13:42:51] [INFO ] Applying decomposition
[2026-05-24 13:42:51] [INFO ] Flatten gal took : 57 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/graph11251791451839804354.txt' '-o' '/tmp/graph11251791451839804354.bin' '-w' '/tmp/graph11251791451839804354.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11251791451839804354.bin' '-l' '-1' '-v' '-w' '/tmp/graph11251791451839804354.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:42:51] [INFO ] Decomposing Gal with order
[2026-05-24 13:42:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:42:51] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:42:51] [INFO ] Flatten gal took : 90 ms
[2026-05-24 13:42:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 10 ms.
[2026-05-24 13:42:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3461199645082379730.gal : 9 ms
[2026-05-24 13:42:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6369725508858616404.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/ReachabilityCardinality3461199645082379730.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6369725508858616404.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/ReachabilityCardinality6369725508858616404.prop.
[2026-05-24 13:43:14] [INFO ] Performed 77/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:43:19] [INFO ] Implicit Places using invariants and state equation in 35310 ms returned []
Implicit Place search using SMT with State Equation took 35470 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:43:19] [INFO ] Redundant transitions in 147 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:43:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30051 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31258 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64917ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 64922ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100591 ms. Remains : 99/99 places, 3546/3546 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-04 in 289951 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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 3554 rows 103 cols
[2026-05-24 13:44:24] [INFO ] Computed 0 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (115 resets) in 119 ms. (83 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 17 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:44:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:44:24] [INFO ] [Real]Absence check using state equation in 385 ms returned sat
[2026-05-24 13:44:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:44:26] [INFO ] [Nat]Absence check using state equation in 1400 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 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 103 transition count 3550
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 7 place count 100 transition count 3547
Applied a total of 7 rules in 73 ms. Remains 100 /103 variables (removed 3) and now considering 3547/3554 (removed 7) transitions.
Running 3525 sub problems to find dead transitions.
// Phase 1: matrix 3547 rows 100 cols
[2026-05-24 13:44:26] [INFO ] Computed 0 invariants in 13 ms
[2026-05-24 13:44:26] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23506ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23512ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23589 ms. Remains : 100/103 places, 3547/3554 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
[2026-05-24 13:44:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11032 resets) in 11986 ms. (83 steps per ms)
BEST_FIRST walk for 1000001 steps (541 resets) in 1702 ms. (587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:45:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:45:04] [INFO ] [Real]Absence check using state equation in 453 ms returned sat
[2026-05-24 13:45:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:45:14] [INFO ] [Nat]Absence check using state equation in 9394 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 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 39 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 100/100 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 33 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 13:45:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:45:14] [INFO ] Implicit Places using invariants in 181 ms returned []
[2026-05-24 13:45:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:45:14] [INFO ] State equation strengthened by 39 read => feed constraints.
[2026-05-24 13:45:45] [INFO ] Performed 66/100 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:45:54] [INFO ] Implicit Places using invariants and state equation in 40470 ms returned []
Implicit Place search using SMT with State Equation took 40654 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:45:55] [INFO ] Redundant transitions in 150 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:45:55] [INFO ] Invariant cache hit.
[2026-05-24 13:45:55] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3646 variables, 39/138 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3647 variables, and 138 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30053 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3647 variables, and 138 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30045 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 0/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64026ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 64032ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104885 ms. Remains : 100/100 places, 3547/3547 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
[2026-05-24 13:46:59] [INFO ] Flatten gal took : 62 ms
[2026-05-24 13:46:59] [INFO ] Flatten gal took : 62 ms
[2026-05-24 13:46:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8598744879704461790.gal : 11 ms
[2026-05-24 13:46:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8033126848523148852.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/ReachabilityCardinality8598744879704461790.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8033126848523148852.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 (439 resets) in 716 ms. (55 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 171 ms. (232 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality8033126848523148852.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
Interrupted probabilistic random walk after 278034 steps, run timeout after 3001 ms. (steps per millisecond=92 ) properties seen :0 out of 1
Probabilistic random walk after 278034 steps, saw 69996 distinct states, run finished after 3001 ms. (steps per millisecond=92 ) properties seen :0
[2026-05-24 13:47:02] [INFO ] Invariant cache hit.
[2026-05-24 13:47:02] [INFO ] State equation strengthened by 39 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) 79/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 39/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 16384
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD size :1.31359e+09 after 7.21067e+09
At refinement iteration 4 (OVERLAPS) 2064/2144 variables, 40/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2144 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1346/3490 variables, 46/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3490 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 157/3647 variables, 13/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3647 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3647 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3647/3647 variables, and 139 constraints, problems are : Problem set: 0 solved, 1 unsolved in 531 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 39/39 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) 79/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 39/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2064/2144 variables, 40/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2144 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2144 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1346/3490 variables, 46/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3490 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3647/3647 variables, and 140 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1608 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2152ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 45 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:47:05] [INFO ] Invariant cache hit.
[2026-05-24 13:47:05] [INFO ] State equation strengthened by 39 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23647ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23651ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23701 ms. Remains : 100/100 places, 3547/3547 transitions.
RANDOM walk for 40000 steps (444 resets) in 631 ms. (63 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 267300 steps, run timeout after 3001 ms. (steps per millisecond=89 ) properties seen :0 out of 1
Probabilistic random walk after 267300 steps, saw 68006 distinct states, run finished after 3001 ms. (steps per millisecond=89 ) properties seen :0
[2026-05-24 13:47:31] [INFO ] Invariant cache hit.
[2026-05-24 13:47:31] [INFO ] State equation strengthened by 39 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) 79/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 39/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2064/2144 variables, 40/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2144 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1346/3490 variables, 46/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3490 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 157/3647 variables, 13/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3647 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3647 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3647/3647 variables, and 139 constraints, problems are : Problem set: 0 solved, 1 unsolved in 546 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 39/39 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) 79/80 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 39/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2064/2144 variables, 40/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2144 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2144 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1346/3490 variables, 46/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3490 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3647/3647 variables, and 140 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9614 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10170ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 45 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 45 ms. Remains : 100/100 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3547/3547 transitions.
Applied a total of 0 rules in 34 ms. Remains 100 /100 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 13:47:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:47:42] [INFO ] Implicit Places using invariants in 178 ms returned []
[2026-05-24 13:47:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:47:42] [INFO ] State equation strengthened by 39 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-24 13:47:49] [INFO ] Flatten gal took : 56 ms
[2026-05-24 13:47:49] [INFO ] Applying decomposition
[2026-05-24 13:47:49] [INFO ] Flatten gal took : 64 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/graph2107382189081066680.txt' '-o' '/tmp/graph2107382189081066680.bin' '-w' '/tmp/graph2107382189081066680.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2107382189081066680.bin' '-l' '-1' '-v' '-w' '/tmp/graph2107382189081066680.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:47:50] [INFO ] Decomposing Gal with order
[2026-05-24 13:47:50] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:47:50] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:47:50] [INFO ] Flatten gal took : 92 ms
[2026-05-24 13:47:50] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 8 ms.
[2026-05-24 13:47:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12958649541713893647.gal : 8 ms
[2026-05-24 13:47:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13749238378319567873.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/ReachabilityCardinality12958649541713893647.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13749238378319567873.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 ...309
Loading property file /tmp/ReachabilityCardinality13749238378319567873.prop.
[2026-05-24 13:48:12] [INFO ] Performed 68/100 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:48:21] [INFO ] Implicit Places using invariants and state equation in 39324 ms returned []
Implicit Place search using SMT with State Equation took 39504 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:48:21] [INFO ] Redundant transitions in 147 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:48:21] [INFO ] Invariant cache hit.
[2026-05-24 13:48:21] [INFO ] State equation strengthened by 39 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3646 variables, 39/138 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3647 variables, and 138 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30051 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3647 variables, and 138 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30056 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 39/39 constraints, PredecessorRefiner: 0/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64419ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 64424ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104122 ms. Remains : 100/100 places, 3547/3547 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-07 in 301943 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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 3554 rows 103 cols
[2026-05-24 13:49:26] [INFO ] Computed 0 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (114 resets) in 133 ms. (74 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:49:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:49:26] [INFO ] [Real]Absence check using state equation in 375 ms returned sat
[2026-05-24 13:49:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:49:28] [INFO ] [Nat]Absence check using state equation in 1384 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 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 103 transition count 3550
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 99 transition count 3546
Applied a total of 8 rules in 78 ms. Remains 99 /103 variables (removed 4) and now considering 3546/3554 (removed 8) transitions.
Running 3524 sub problems to find dead transitions.
// Phase 1: matrix 3546 rows 99 cols
[2026-05-24 13:49:28] [INFO ] Computed 0 invariants in 15 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23723ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23727ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23811 ms. Remains : 99/103 places, 3546/3554 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
[2026-05-24 13:49:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11178 resets) in 12553 ms. (79 steps per ms)
BEST_FIRST walk for 1000001 steps (545 resets) in 1740 ms. (574 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:50:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:50:07] [INFO ] [Real]Absence check using state equation in 448 ms returned sat
[2026-05-24 13:50:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:50:12] [INFO ] [Nat]Absence check using state equation in 4921 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 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 44 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 34 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 13:50:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:50:12] [INFO ] Implicit Places using invariants in 183 ms returned []
[2026-05-24 13:50:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:50:43] [INFO ] Performed 82/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:50:47] [INFO ] Implicit Places using invariants and state equation in 34326 ms returned []
Implicit Place search using SMT with State Equation took 34511 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:50:47] [INFO ] Redundant transitions in 148 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:50:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30053 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31358 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65351ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 65356ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100074 ms. Remains : 99/99 places, 3546/3546 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
[2026-05-24 13:51:53] [INFO ] Flatten gal took : 141 ms
[2026-05-24 13:51:53] [INFO ] Flatten gal took : 66 ms
[2026-05-24 13:51:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3369478403147472202.gal : 11 ms
[2026-05-24 13:51:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5176182184015951252.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/ReachabilityCardinality3369478403147472202.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5176182184015951252.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 (443 resets) in 859 ms. (46 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality5176182184015951252.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
Interrupted probabilistic random walk after 290504 steps, run timeout after 3001 ms. (steps per millisecond=96 ) properties seen :0 out of 1
Probabilistic random walk after 290504 steps, saw 69923 distinct states, run finished after 3001 ms. (steps per millisecond=96 ) properties seen :0
[2026-05-24 13:51:56] [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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1477/2233 variables, 31/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
At refinement iteration 6 (INCLUDED_ONLY) 0/2233 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1191/3424 variables, 35/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3424 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 220/3644 variables, 14/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3644 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/3645 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 615 ms.
Refiners :[State Equation: 99/99 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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/756 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1477/2233 variables, 31/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2233 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1191/3424 variables, 35/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3424 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 220/3644 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3644 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1764 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2386ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 42 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:51:58] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23854ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23858ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23905 ms. Remains : 99/99 places, 3546/3546 transitions.
RANDOM walk for 40000 steps (447 resets) in 656 ms. (60 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 231 ms. (172 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 273295 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 1
Probabilistic random walk after 273295 steps, saw 66699 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2026-05-24 13:52:25] [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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1477/2233 variables, 31/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2233 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1191/3424 variables, 35/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3424 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 220/3644 variables, 14/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/3644 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/3645 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 606 ms.
Refiners :[State Equation: 99/99 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) 34/35 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 721/756 variables, 17/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/756 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/756 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1477/2233 variables, 31/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2233 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1191/3424 variables, 35/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3424 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 220/3644 variables, 14/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/3644 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9760 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10378ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 38 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 38 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 13:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:52:36] [INFO ] Implicit Places using invariants in 176 ms returned []
[2026-05-24 13:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-24 13:52:43] [INFO ] Flatten gal took : 56 ms
[2026-05-24 13:52:43] [INFO ] Applying decomposition
[2026-05-24 13:52:43] [INFO ] Flatten gal took : 57 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/graph7265857598908304120.txt' '-o' '/tmp/graph7265857598908304120.bin' '-w' '/tmp/graph7265857598908304120.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7265857598908304120.bin' '-l' '-1' '-v' '-w' '/tmp/graph7265857598908304120.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:52:43] [INFO ] Decomposing Gal with order
[2026-05-24 13:52:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:52:43] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:52:43] [INFO ] Flatten gal took : 85 ms
[2026-05-24 13:52:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 6 ms.
[2026-05-24 13:52:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3422795621834336788.gal : 8 ms
[2026-05-24 13:52:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10090541529084204329.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/ReachabilityCardinality3422795621834336788.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10090541529084204329.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/ReachabilityCardinality10090541529084204329.prop.
[2026-05-24 13:53:07] [INFO ] Performed 77/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 13:53:11] [INFO ] Implicit Places using invariants and state equation in 35266 ms returned []
Implicit Place search using SMT with State Equation took 35445 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:53:12] [INFO ] Redundant transitions in 146 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 13:53:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30053 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31216 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65427ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 65432ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101092 ms. Remains : 99/99 places, 3546/3546 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-10 in 291235 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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 3554 rows 103 cols
[2026-05-24 13:54:17] [INFO ] Computed 0 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (118 resets) in 128 ms. (77 steps per ms)
BEST_FIRST walk for 10001 steps (6 resets) in 17 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:54:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:54:18] [INFO ] [Real]Absence check using state equation in 457 ms returned sat
[2026-05-24 13:54:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:54:19] [INFO ] [Nat]Absence check using state equation in 1426 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 103 transition count 3551
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 6 place count 100 transition count 3548
Applied a total of 6 rules in 75 ms. Remains 100 /103 variables (removed 3) and now considering 3548/3554 (removed 6) transitions.
Running 3525 sub problems to find dead transitions.
// Phase 1: matrix 3548 rows 100 cols
[2026-05-24 13:54:19] [INFO ] Computed 0 invariants in 18 ms
[2026-05-24 13:54:19] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23856ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23860ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23939 ms. Remains : 100/103 places, 3548/3554 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
[2026-05-24 13:54:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11271 resets) in 13201 ms. (75 steps per ms)
BEST_FIRST walk for 1000001 steps (548 resets) in 1810 ms. (552 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:54:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:54:59] [INFO ] [Real]Absence check using state equation in 489 ms returned sat
[2026-05-24 13:54:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 13:55:09] [INFO ] [Nat]Absence check using state equation in 9430 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 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 36 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 100/100 places, 3548/3548 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 32 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
[2026-05-24 13:55:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:55:09] [INFO ] Implicit Places using invariants in 183 ms returned []
[2026-05-24 13:55:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:55:10] [INFO ] State equation strengthened by 38 read => feed constraints.
[2026-05-24 13:55:41] [INFO ] Performed 65/100 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2026-05-24 13:55:53] [INFO ] Implicit Places using invariants and state equation in 43742 ms returned []
Implicit Place search using SMT with State Equation took 43928 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:55:53] [INFO ] Redundant transitions in 148 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:55:53] [INFO ] Invariant cache hit.
[2026-05-24 13:55:53] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3548/3647 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3647 variables, 38/137 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3647/3648 variables, and 137 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30053 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3548/3647 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3647/3648 variables, and 137 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30061 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 0/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63930ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 63934ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 108063 ms. Remains : 100/100 places, 3548/3548 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
[2026-05-24 13:56:58] [INFO ] Flatten gal took : 55 ms
[2026-05-24 13:56:58] [INFO ] Flatten gal took : 56 ms
[2026-05-24 13:56:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6329644775749625054.gal : 10 ms
[2026-05-24 13:56:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5705647439569854987.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/ReachabilityCardinality6329644775749625054.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5705647439569854987.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 (447 resets) in 648 ms. (61 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality5705647439569854987.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
Interrupted probabilistic random walk after 264678 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 1
Probabilistic random walk after 264678 steps, saw 69318 distinct states, run finished after 3002 ms. (steps per millisecond=88 ) properties seen :0
[2026-05-24 13:57:01] [INFO ] Invariant cache hit.
[2026-05-24 13:57:01] [INFO ] State equation strengthened by 38 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) 78/79 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 38/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2029/2108 variables, 39/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2108 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1383/3491 variables, 47/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3491 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 157/3648 variables, 13/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3648 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3648 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3648/3648 variables, and 138 constraints, problems are : Problem set: 0 solved, 1 unsolved in 604 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 38/38 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) 78/79 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 38/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2029/2108 variables, 39/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2108 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2108 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1383/3491 variables, 47/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3491 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3648/3648 variables, and 139 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1926 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2566ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 39 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:57:03] [INFO ] Invariant cache hit.
[2026-05-24 13:57:03] [INFO ] State equation strengthened by 38 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23972ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23977ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24036 ms. Remains : 100/100 places, 3548/3548 transitions.
RANDOM walk for 40000 steps (450 resets) in 655 ms. (60 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (20 resets) in 108 ms. (367 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 265921 steps, run timeout after 3001 ms. (steps per millisecond=88 ) properties seen :0 out of 1
Probabilistic random walk after 265921 steps, saw 69581 distinct states, run finished after 3001 ms. (steps per millisecond=88 ) properties seen :0
[2026-05-24 13:57:31] [INFO ] Invariant cache hit.
[2026-05-24 13:57:31] [INFO ] State equation strengthened by 38 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) 78/79 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 38/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2029/2108 variables, 39/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2108 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1383/3491 variables, 47/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3491 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 157/3648 variables, 13/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3648 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3648 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3648/3648 variables, and 138 constraints, problems are : Problem set: 0 solved, 1 unsolved in 562 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 38/38 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) 78/79 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 38/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 2029/2108 variables, 39/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2108 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2108 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1383/3491 variables, 47/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3491 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3648/3648 variables, and 139 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9637 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10209ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 41 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 42 ms. Remains : 100/100 places, 3548/3548 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 33 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
[2026-05-24 13:57:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:57:41] [INFO ] Implicit Places using invariants in 178 ms returned []
[2026-05-24 13:57:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:57:41] [INFO ] State equation strengthened by 38 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-24 13:57:48] [INFO ] Flatten gal took : 80 ms
[2026-05-24 13:57:48] [INFO ] Applying decomposition
[2026-05-24 13:57:48] [INFO ] Flatten gal took : 74 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/graph15749101506320965630.txt' '-o' '/tmp/graph15749101506320965630.bin' '-w' '/tmp/graph15749101506320965630.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15749101506320965630.bin' '-l' '-1' '-v' '-w' '/tmp/graph15749101506320965630.weights' '-q' '0' '-e' '0.001'
[2026-05-24 13:57:48] [INFO ] Decomposing Gal with order
[2026-05-24 13:57:48] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:57:48] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 13:57:48] [INFO ] Flatten gal took : 87 ms
[2026-05-24 13:57:48] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 5 ms.
[2026-05-24 13:57:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11404539790091873385.gal : 7 ms
[2026-05-24 13:57:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4308539997599101069.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/ReachabilityCardinality11404539790091873385.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4308539997599101069.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/ReachabilityCardinality4308539997599101069.prop.
[2026-05-24 13:58:13] [INFO ] Performed 65/100 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2026-05-24 13:58:25] [INFO ] Implicit Places using invariants and state equation in 43676 ms returned []
Implicit Place search using SMT with State Equation took 43857 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 13:58:25] [INFO ] Redundant transitions in 143 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 13:58:25] [INFO ] Invariant cache hit.
[2026-05-24 13:58:25] [INFO ] State equation strengthened by 38 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3548/3647 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3647 variables, 38/137 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3647/3648 variables, and 137 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30060 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3548/3647 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3647/3648 variables, and 137 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30057 ms.
Refiners :[State Equation: 99/100 constraints, ReadFeed: 38/38 constraints, PredecessorRefiner: 0/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64084ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 64088ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 108139 ms. Remains : 100/100 places, 3548/3548 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-11 in 311962 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-13
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 3554 rows 103 cols
[2026-05-24 13:59:29] [INFO ] Computed 0 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (114 resets) in 123 ms. (80 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 17 ms. (555 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 13:59:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:59:30] [INFO ] [Real]Absence check using state equation in 594 ms returned sat
[2026-05-24 13:59:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 13:59:31] [INFO ] [Nat]Absence check using state equation in 1416 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 103 transition count 3551
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 6 place count 100 transition count 3548
Applied a total of 6 rules in 76 ms. Remains 100 /103 variables (removed 3) and now considering 3548/3554 (removed 6) transitions.
Running 3525 sub problems to find dead transitions.
// Phase 1: matrix 3548 rows 100 cols
[2026-05-24 13:59:31] [INFO ] Computed 0 invariants in 16 ms
[2026-05-24 13:59:31] [INFO ] State equation strengthened by 34 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23588ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23595ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23676 ms. Remains : 100/103 places, 3548/3554 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
[2026-05-24 13:59:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11274 resets) in 12468 ms. (80 steps per ms)
BEST_FIRST walk for 1000001 steps (555 resets) in 1723 ms. (580 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 14:00:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:10] [INFO ] [Real]Absence check using state equation in 513 ms returned sat
[2026-05-24 14:00:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:00:20] [INFO ] [Nat]Absence check using state equation in 9419 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 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 41 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 100/100 places, 3548/3548 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 38 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
[2026-05-24 14:00:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:20] [INFO ] Implicit Places using invariants in 180 ms returned []
[2026-05-24 14:00:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:00:21] [INFO ] State equation strengthened by 34 read => feed constraints.
[2026-05-24 14:00:51] [INFO ] Performed 65/100 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 14:01:01] [INFO ] Implicit Places using invariants and state equation in 40898 ms returned []
Implicit Place search using SMT with State Equation took 41080 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:01:01] [INFO ] Redundant transitions in 148 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 14:01:01] [INFO ] Invariant cache hit.
[2026-05-24 14:01:01] [INFO ] State equation strengthened by 34 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3548/3647 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 33891ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 33895ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 75173 ms. Remains : 100/100 places, 3548/3548 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
[2026-05-24 14:01:36] [INFO ] Flatten gal took : 62 ms
[2026-05-24 14:01:36] [INFO ] Flatten gal took : 80 ms
[2026-05-24 14:01:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2895919856425902213.gal : 10 ms
[2026-05-24 14:01:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8208415079189005222.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/ReachabilityCardinality2895919856425902213.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8208415079189005222.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 (447 resets) in 720 ms. (55 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (21 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality8208415079189005222.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 28
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :28 after 43
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :43 after 188
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :188 after 2599
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :2599 after 24003
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :24003 after 244070
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :244070 after 1.1095e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.1095e+06 after 2.15662e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.15662e+07 after 2.19381e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.19381e+07 after 4.6061e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.6061e+07 after 1.26617e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.26617e+08 after 1.30577e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.30577e+09 after 9.05565e+09
Interrupted probabilistic random walk after 260431 steps, run timeout after 3001 ms. (steps per millisecond=86 ) properties seen :0 out of 1
Probabilistic random walk after 260431 steps, saw 67787 distinct states, run finished after 3001 ms. (steps per millisecond=86 ) properties seen :0
[2026-05-24 14:01:39] [INFO ] Invariant cache hit.
[2026-05-24 14:01:39] [INFO ] State equation strengthened by 34 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) 70/71 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1959/2030 variables, 35/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2030 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1581/3611 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3611 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 37/3648 variables, 7/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3648 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3648 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3648/3648 variables, and 134 constraints, problems are : Problem set: 0 solved, 1 unsolved in 588 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 34/34 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) 70/71 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1959/2030 variables, 35/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2030 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2030 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1581/3611 variables, 57/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3611 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3648/3648 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1655 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2252ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 43 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
Running 3525 sub problems to find dead transitions.
[2026-05-24 14:01:41] [INFO ] Invariant cache hit.
[2026-05-24 14:01:41] [INFO ] State equation strengthened by 34 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :9.05565e+09 after 6.04524e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :6.04524e+10 after 2.78423e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 24034ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 24039ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24086 ms. Remains : 100/100 places, 3548/3548 transitions.
RANDOM walk for 40000 steps (451 resets) in 712 ms. (56 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (21 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 262339 steps, run timeout after 3001 ms. (steps per millisecond=87 ) properties seen :0 out of 1
Probabilistic random walk after 262339 steps, saw 68233 distinct states, run finished after 3001 ms. (steps per millisecond=87 ) properties seen :0
[2026-05-24 14:02:08] [INFO ] Invariant cache hit.
[2026-05-24 14:02:08] [INFO ] State equation strengthened by 34 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) 70/71 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1959/2030 variables, 35/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2030 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1581/3611 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3611 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 37/3648 variables, 7/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/3648 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/3648 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3648/3648 variables, and 134 constraints, problems are : Problem set: 0 solved, 1 unsolved in 567 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 34/34 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) 70/71 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 34/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 1959/2030 variables, 35/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/2030 variables, 1/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2030 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1581/3611 variables, 57/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3611 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78423e+11 after 1.35275e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3648/3648 variables, and 135 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9650 ms.
Refiners :[State Equation: 100/100 constraints, ReadFeed: 34/34 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10230ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 100 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 34 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 100/100 places, 3548/3548 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 100/100 places, 3548/3548 transitions.
Applied a total of 0 rules in 32 ms. Remains 100 /100 variables (removed 0) and now considering 3548/3548 (removed 0) transitions.
[2026-05-24 14:02:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:02:19] [INFO ] Implicit Places using invariants in 194 ms returned []
[2026-05-24 14:02:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:02:19] [INFO ] State equation strengthened by 34 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-24 14:02:26] [INFO ] Flatten gal took : 57 ms
[2026-05-24 14:02:26] [INFO ] Applying decomposition
[2026-05-24 14:02:26] [INFO ] Flatten gal took : 72 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/graph2642501043275507780.txt' '-o' '/tmp/graph2642501043275507780.bin' '-w' '/tmp/graph2642501043275507780.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2642501043275507780.bin' '-l' '-1' '-v' '-w' '/tmp/graph2642501043275507780.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:02:26] [INFO ] Decomposing Gal with order
[2026-05-24 14:02:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:02:26] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 14:02:26] [INFO ] Flatten gal took : 91 ms
[2026-05-24 14:02:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 5 ms.
[2026-05-24 14:02:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7427545460812842862.gal : 7 ms
[2026-05-24 14:02:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5908216951949717923.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/ReachabilityCardinality7427545460812842862.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5908216951949717923.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/ReachabilityCardinality5908216951949717923.prop.
[2026-05-24 14:02:50] [INFO ] Performed 66/100 implicitness test of which 0 returned IMPLICIT in 30 seconds.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2.85833e+12
[2026-05-24 14:02:59] [INFO ] Implicit Places using invariants and state equation in 40019 ms returned []
Implicit Place search using SMT with State Equation took 40215 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:02:59] [INFO ] Redundant transitions in 146 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 14:02:59] [INFO ] Invariant cache hit.
[2026-05-24 14:02:59] [INFO ] State equation strengthened by 34 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3548/3647 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 34035ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 34040ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74448 ms. Remains : 100/100 places, 3548/3548 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-13 in 244205 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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 3554 rows 103 cols
[2026-05-24 14:03:33] [INFO ] Computed 0 invariants in 10 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (116 resets) in 129 ms. (76 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 25 ms. (384 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 14:03:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:03:34] [INFO ] [Real]Absence check using state equation in 520 ms returned sat
[2026-05-24 14:03:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:03:35] [INFO ] [Nat]Absence check using state equation in 1370 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 103 transition count 3551
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 7 place count 99 transition count 3547
Applied a total of 7 rules in 78 ms. Remains 99 /103 variables (removed 4) and now considering 3547/3554 (removed 7) transitions.
Running 3525 sub problems to find dead transitions.
// Phase 1: matrix 3547 rows 99 cols
[2026-05-24 14:03:35] [INFO ] Computed 0 invariants in 12 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 99/3646 variables, and 0 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 20046 ms.
Refiners :[State Equation: 0/99 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 20059 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 0/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44227ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 44231ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 44315 ms. Remains : 99/103 places, 3547/3554 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
[2026-05-24 14:04:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11481 resets) in 12481 ms. (80 steps per ms)
BEST_FIRST walk for 1000000 steps (555 resets) in 1739 ms. (574 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 14:04:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:04:35] [INFO ] [Real]Absence check using state equation in 402 ms returned sat
[2026-05-24 14:04:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:04:40] [INFO ] [Nat]Absence check using state equation in 4924 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 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 42 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 99/99 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 33 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 14:04:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:04:40] [INFO ] Implicit Places using invariants in 185 ms returned []
[2026-05-24 14:04:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:05:11] [INFO ] Performed 75/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 14:05:16] [INFO ] Implicit Places using invariants and state equation in 35700 ms returned []
Implicit Place search using SMT with State Equation took 35889 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:05:16] [INFO ] Redundant transitions in 148 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 14:05:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30054 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30068 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 0/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64037ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 64041ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100140 ms. Remains : 99/99 places, 3547/3547 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
[2026-05-24 14:06:21] [INFO ] Flatten gal took : 56 ms
[2026-05-24 14:06:21] [INFO ] Flatten gal took : 57 ms
[2026-05-24 14:06:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14557590525564559301.gal : 22 ms
[2026-05-24 14:06:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5879297340853586660.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/ReachabilityCardinality14557590525564559301.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5879297340853586660.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 (457 resets) in 666 ms. (59 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality5879297340853586660.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
Interrupted probabilistic random walk after 273495 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 1
Probabilistic random walk after 273495 steps, saw 69668 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2026-05-24 14:06:24] [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) 57/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1618/1676 variables, 28/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1676 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1802/3478 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3478 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 168/3646 variables, 16/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 492 ms.
Refiners :[State Equation: 99/99 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) 57/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1618/1676 variables, 28/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1676 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1676 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1802/3478 variables, 54/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3478 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1550 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2051ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 44 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Running 3525 sub problems to find dead transitions.
[2026-05-24 14:06:26] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
SMT process timed out in 23910ms, After SMT, problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 23914ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23963 ms. Remains : 99/99 places, 3547/3547 transitions.
RANDOM walk for 40000 steps (457 resets) in 650 ms. (61 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (21 resets) in 106 ms. (373 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Interrupted probabilistic random walk after 273095 steps, run timeout after 3001 ms. (steps per millisecond=91 ) properties seen :0 out of 1
Probabilistic random walk after 273095 steps, saw 69589 distinct states, run finished after 3001 ms. (steps per millisecond=91 ) properties seen :0
[2026-05-24 14:06:53] [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) 57/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1618/1676 variables, 28/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1676 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1802/3478 variables, 54/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3478 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 168/3646 variables, 16/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3646 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 553 ms.
Refiners :[State Equation: 99/99 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) 57/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1618/1676 variables, 28/29 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1676 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1676 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1802/3478 variables, 54/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3478 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9577 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10140ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 43 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 99/99 places, 3547/3547 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3547/3547 transitions.
Applied a total of 0 rules in 34 ms. Remains 99 /99 variables (removed 0) and now considering 3547/3547 (removed 0) transitions.
[2026-05-24 14:07:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:07:04] [INFO ] Implicit Places using invariants in 168 ms returned []
[2026-05-24 14:07:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-24 14:07:11] [INFO ] Flatten gal took : 59 ms
[2026-05-24 14:07:11] [INFO ] Applying decomposition
[2026-05-24 14:07:11] [INFO ] Flatten gal took : 56 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/graph5796540992569675488.txt' '-o' '/tmp/graph5796540992569675488.bin' '-w' '/tmp/graph5796540992569675488.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5796540992569675488.bin' '-l' '-1' '-v' '-w' '/tmp/graph5796540992569675488.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:07:11] [INFO ] Decomposing Gal with order
[2026-05-24 14:07:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:07:11] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 14:07:11] [INFO ] Flatten gal took : 102 ms
[2026-05-24 14:07:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 5 ms.
[2026-05-24 14:07:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16824010508868579293.gal : 7 ms
[2026-05-24 14:07:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6154240781651393658.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/ReachabilityCardinality16824010508868579293.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6154240781651393658.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/ReachabilityCardinality6154240781651393658.prop.
[2026-05-24 14:07:34] [INFO ] Performed 75/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 14:07:39] [INFO ] Implicit Places using invariants and state equation in 35412 ms returned []
Implicit Place search using SMT with State Equation took 35585 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:07:39] [INFO ] Redundant transitions in 144 ms returned []
Running 3525 sub problems to find dead transitions.
[2026-05-24 14:07:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
At refinement iteration 1 (OVERLAPS) 3547/3646 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30045 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3525/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3525 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3525 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3646/3646 variables, and 99 constraints, problems are : Problem set: 0 solved, 3525 unsolved in 30056 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 0/3525 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 64225ms problems are : Problem set: 0 solved, 3525 unsolved
Search for dead transitions found 0 dead transitions in 64229ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100002 ms. Remains : 99/99 places, 3547/3547 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-14 in 310241 ms.
Starting property specific reduction for DNAwalker-PT-18lozangeBlock-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 3554 rows 103 cols
[2026-05-24 14:08:43] [INFO ] Computed 0 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 10000 steps (115 resets) in 131 ms. (75 steps per ms)
BEST_FIRST walk for 10001 steps (5 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 14:08:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:08:44] [INFO ] [Real]Absence check using state equation in 429 ms returned sat
[2026-05-24 14:08:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-24 14:08:46] [INFO ] [Nat]Absence check using state equation in 1389 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 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 3554/3554 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 103 transition count 3550
Reduce places removed 4 places and 4 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 8 place count 99 transition count 3546
Applied a total of 8 rules in 82 ms. Remains 99 /103 variables (removed 4) and now considering 3546/3554 (removed 8) transitions.
Running 3524 sub problems to find dead transitions.
// Phase 1: matrix 3546 rows 99 cols
[2026-05-24 14:08:46] [INFO ] Computed 0 invariants in 15 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23854ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23858ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23948 ms. Remains : 99/103 places, 3546/3554 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
[2026-05-24 14:09:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (11172 resets) in 12449 ms. (80 steps per ms)
BEST_FIRST walk for 1000001 steps (546 resets) in 1753 ms. (570 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2026-05-24 14:09:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:09:25] [INFO ] [Real]Absence check using state equation in 416 ms returned sat
[2026-05-24 14:09:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-24 14:09:30] [INFO ] [Nat]Absence check using state equation in 4900 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 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 51 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 37 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 14:09:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:09:30] [INFO ] Implicit Places using invariants in 182 ms returned []
[2026-05-24 14:09:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:10:01] [INFO ] Performed 80/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 14:10:05] [INFO ] Implicit Places using invariants and state equation in 34962 ms returned []
Implicit Place search using SMT with State Equation took 35147 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:10:05] [INFO ] Redundant transitions in 148 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 14:10:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30055 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31283 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65172ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 65177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100536 ms. Remains : 99/99 places, 3546/3546 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
[2026-05-24 14:11:11] [INFO ] Flatten gal took : 59 ms
[2026-05-24 14:11:11] [INFO ] Flatten gal took : 59 ms
[2026-05-24 14:11:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2294143822522010090.gal : 13 ms
[2026-05-24 14:11:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9122608813733364459.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/ReachabilityCardinality2294143822522010090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9122608813733364459.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 (447 resets) in 634 ms. (62 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
Loading property file /tmp/ReachabilityCardinality9122608813733364459.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 27
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :27 after 51
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :51 after 136
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :136 after 4383
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4383 after 17671
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :17671 after 235273
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :235273 after 581118
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :581118 after 1.0443e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.0443e+07 after 2.1594e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.1594e+07 after 4.59631e+07
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4.59631e+07 after 1.46454e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.46454e+08 after 1.31359e+09
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.31359e+09 after 7.21067e+09
Interrupted probabilistic random walk after 292659 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 1
Probabilistic random walk after 292659 steps, saw 70296 distinct states, run finished after 3001 ms. (steps per millisecond=97 ) properties seen :0
[2026-05-24 14:11:14] [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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1721/1784 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1784 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1617/3401 variables, 49/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3401 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 244/3645 variables, 18/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 560 ms.
Refiners :[State Equation: 99/99 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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1721/1784 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1784 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1784 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1617/3401 variables, 49/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3401 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1595 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2169ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 33 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Running 3524 sub problems to find dead transitions.
[2026-05-24 14:11:16] [INFO ] Invariant cache hit.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.21067e+09 after 5.89818e+10
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :5.89818e+10 after 2.78973e+11
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
SMT process timed out in 23988ms, After SMT, problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 23992ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24029 ms. Remains : 99/99 places, 3546/3546 transitions.
RANDOM walk for 40000 steps (446 resets) in 648 ms. (61 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (20 resets) in 96 ms. (412 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 284118 steps, run timeout after 3001 ms. (steps per millisecond=94 ) properties seen :0 out of 1
Probabilistic random walk after 284118 steps, saw 68732 distinct states, run finished after 3001 ms. (steps per millisecond=94 ) properties seen :0
[2026-05-24 14:11:43] [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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 1721/1784 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1784 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1617/3401 variables, 49/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3401 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 244/3645 variables, 18/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/3645 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 511 ms.
Refiners :[State Equation: 99/99 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) 62/63 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/63 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1721/1784 variables, 31/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1784 variables, 1/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1784 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 1617/3401 variables, 49/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3401 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :2.78973e+11 after 1.21036e+12
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9545 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10070ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 43 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 43 ms. Remains : 99/99 places, 3546/3546 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 99/99 places, 3546/3546 transitions.
Applied a total of 0 rules in 34 ms. Remains 99 /99 variables (removed 0) and now considering 3546/3546 (removed 0) transitions.
[2026-05-24 14:11:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 14:11:54] [INFO ] Implicit Places using invariants in 184 ms returned []
[2026-05-24 14:11:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-24 14:12:01] [INFO ] Flatten gal took : 67 ms
[2026-05-24 14:12:01] [INFO ] Applying decomposition
[2026-05-24 14:12:01] [INFO ] Flatten gal took : 55 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/graph9855567939999379398.txt' '-o' '/tmp/graph9855567939999379398.bin' '-w' '/tmp/graph9855567939999379398.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9855567939999379398.bin' '-l' '-1' '-v' '-w' '/tmp/graph9855567939999379398.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:12:01] [INFO ] Decomposing Gal with order
[2026-05-24 14:12:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:12:01] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 14:12:01] [INFO ] Flatten gal took : 99 ms
[2026-05-24 14:12:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 6 ms.
[2026-05-24 14:12:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15950946243029801561.gal : 8 ms
[2026-05-24 14:12:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2751938120569299161.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/ReachabilityCardinality15950946243029801561.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2751938120569299161.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/ReachabilityCardinality2751938120569299161.prop.
[2026-05-24 14:12:24] [INFO ] Performed 80/99 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-24 14:12:29] [INFO ] Implicit Places using invariants and state equation in 34820 ms returned []
Implicit Place search using SMT with State Equation took 35007 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-24 14:12:29] [INFO ] Redundant transitions in 143 ms returned []
Running 3524 sub problems to find dead transitions.
[2026-05-24 14:12:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Detected timeout of ITS tools.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3645/3645 variables, and 99 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 30048 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3524 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
At refinement iteration 1 (OVERLAPS) 3546/3645 variables, 99/99 constraints. Problems are: Problem set: 0 solved, 3524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3645/3645 variables, and 3623 constraints, problems are : Problem set: 0 solved, 3524 unsolved in 31288 ms.
Refiners :[State Equation: 99/99 constraints, PredecessorRefiner: 3524/3524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 65296ms problems are : Problem set: 0 solved, 3524 unsolved
Search for dead transitions found 0 dead transitions in 65300ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100496 ms. Remains : 99/99 places, 3546/3546 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2] Max Struct:[+inf]
Ending property specific reduction for DNAwalker-PT-18lozangeBlock-UpperBounds-15 in 290588 ms.
[2026-05-24 14:13:34] [INFO ] Flatten gal took : 56 ms
[2026-05-24 14:13:34] [INFO ] Applying decomposition
[2026-05-24 14:13:34] [INFO ] Flatten gal took : 56 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/graph6956717570526008095.txt' '-o' '/tmp/graph6956717570526008095.bin' '-w' '/tmp/graph6956717570526008095.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6956717570526008095.bin' '-l' '-1' '-v' '-w' '/tmp/graph6956717570526008095.weights' '-q' '0' '-e' '0.001'
[2026-05-24 14:13:34] [INFO ] Decomposing Gal with order
[2026-05-24 14:13:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 14:13:34] [INFO ] Removed a total of 6894 redundant transitions.
[2026-05-24 14:13:34] [INFO ] Flatten gal took : 83 ms
[2026-05-24 14:13:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 4 ms.
[2026-05-24 14:13:34] [INFO ] Time to serialize gal into /tmp/UpperBounds5594459279322062042.gal : 7 ms
[2026-05-24 14:13:34] [INFO ] Time to serialize properties into /tmp/UpperBounds535773594442399777.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/UpperBounds5594459279322062042.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds535773594442399777.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 ...282
Loading property file /tmp/UpperBounds535773594442399777.prop.

BK_TIME_CONFINEMENT_REACHED

--------------------
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-18lozangeBlock"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is DNAwalker-PT-18lozangeBlock, 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 r111-tall-177955700900106"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-18lozangeBlock.tgz
mv DNAwalker-PT-18lozangeBlock 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 ;