MCC'2025- Execution of r114-tall-174876422800469

About the Execution of ITS-Tools for JoinFreeModules-PT-1000

Execution Summary
Max Memory Used (MB)	Time wait (ms)	CPU Usage (ms)	I/O Wait (ms)	Computed Result	Execution Status
0.000	2170398.00	0.00	0.00	1003 1002 1000 1003 1000 1002 1001 1003 1002 1002 1001 1000 1002 1002 1002 1000	normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r114-tall-174876422800469.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is JoinFreeModules-PT-1000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-tall-174876422800469
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 3.1M May 29 14:32 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-1000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748848948680

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-1000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 07:22:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-02 07:22:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 07:22:30] [INFO ] Load time of PNML (sax parser for PT used): 339 ms
[2025-06-02 07:22:30] [INFO ] Transformed 5001 places.
[2025-06-02 07:22:30] [INFO ] Transformed 8001 transitions.
[2025-06-02 07:22:30] [INFO ] Parsed PT model containing 5001 places and 8001 transitions and 23002 arcs in 531 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 1000, 0, 1000, 2, 1, 0, 0, 2, 1, 1000, 0, 2, 2, 1000] 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:[0, 0, 1000, 0, 1000, 2, 1, 0, 0, 2, 1, 1000, 0, 2, 2, 1000] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 8001 rows 5000 cols
[2025-06-02 07:22:31] [INFO ] Computed 1000 invariants in 118 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 1000, 0, 1000, 2, 1, 0, 0, 2, 1, 1000, 0, 2, 2, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
RANDOM walk for 10517 steps (2 resets) in 500 ms. (20 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 7279 ms. (21 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 1000, 2, 1000, 2, 3, 2, 2, 2, 3, 1000, 2, 2, 2, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
[2025-06-02 07:22:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:22:40] [INFO ] [Real]Absence check using 1000 positive place invariants in 325 ms returned sat
[2025-06-02 07:22:43] [INFO ] [Real]Absence check using state equation in 3114 ms returned sat
[2025-06-02 07:22:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:22:44] [INFO ] [Nat]Absence check using 1000 positive place invariants in 287 ms returned sat
[2025-06-02 07:22:49] [INFO ] [Nat]Absence check using state equation in 4040 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:22:49] [INFO ] [Real]Absence check using 1000 positive place invariants in 268 ms returned sat
[2025-06-02 07:22:53] [INFO ] [Real]Absence check using state equation in 3250 ms returned sat
[2025-06-02 07:22:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:22:54] [INFO ] [Nat]Absence check using 1000 positive place invariants in 262 ms returned sat
[2025-06-02 07:22:58] [INFO ] [Nat]Absence check using state equation in 4222 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:22:59] [INFO ] [Real]Absence check using 1000 positive place invariants in 262 ms returned sat
[2025-06-02 07:23:02] [INFO ] [Real]Absence check using state equation in 3311 ms returned sat
[2025-06-02 07:23:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:03] [INFO ] [Nat]Absence check using 1000 positive place invariants in 287 ms returned sat
[2025-06-02 07:23:08] [INFO ] [Nat]Absence check using state equation in 4055 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:08] [INFO ] [Real]Absence check using 1000 positive place invariants in 282 ms returned sat
[2025-06-02 07:23:12] [INFO ] [Real]Absence check using state equation in 3255 ms returned sat
[2025-06-02 07:23:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:13] [INFO ] [Nat]Absence check using 1000 positive place invariants in 273 ms returned sat
[2025-06-02 07:23:17] [INFO ] [Nat]Absence check using state equation in 4149 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:18] [INFO ] [Real]Absence check using 1000 positive place invariants in 289 ms returned sat
[2025-06-02 07:23:21] [INFO ] [Real]Absence check using state equation in 3203 ms returned sat
[2025-06-02 07:23:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:22] [INFO ] [Nat]Absence check using 1000 positive place invariants in 280 ms returned sat
[2025-06-02 07:23:27] [INFO ] [Nat]Absence check using state equation in 4167 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:28] [INFO ] [Real]Absence check using 1000 positive place invariants in 283 ms returned sat
[2025-06-02 07:23:31] [INFO ] [Real]Absence check using state equation in 3250 ms returned sat
[2025-06-02 07:23:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:32] [INFO ] [Nat]Absence check using 1000 positive place invariants in 264 ms returned sat
[2025-06-02 07:23:36] [INFO ] [Nat]Absence check using state equation in 4127 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:37] [INFO ] [Real]Absence check using 1000 positive place invariants in 241 ms returned sat
[2025-06-02 07:23:40] [INFO ] [Real]Absence check using state equation in 2888 ms returned sat
[2025-06-02 07:23:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:41] [INFO ] [Nat]Absence check using 1000 positive place invariants in 276 ms returned sat
[2025-06-02 07:23:45] [INFO ] [Nat]Absence check using state equation in 4120 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:46] [INFO ] [Real]Absence check using 1000 positive place invariants in 248 ms returned sat
[2025-06-02 07:23:49] [INFO ] [Real]Absence check using state equation in 3013 ms returned sat
[2025-06-02 07:23:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:50] [INFO ] [Nat]Absence check using 1000 positive place invariants in 273 ms returned sat
[2025-06-02 07:23:54] [INFO ] [Nat]Absence check using state equation in 4171 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:55] [INFO ] [Real]Absence check using 1000 positive place invariants in 257 ms returned sat
[2025-06-02 07:23:58] [INFO ] [Real]Absence check using state equation in 2997 ms returned sat
[2025-06-02 07:23:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:23:59] [INFO ] [Nat]Absence check using 1000 positive place invariants in 264 ms returned sat
[2025-06-02 07:24:03] [INFO ] [Nat]Absence check using state equation in 4113 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:04] [INFO ] [Real]Absence check using 1000 positive place invariants in 265 ms returned sat
[2025-06-02 07:24:08] [INFO ] [Real]Absence check using state equation in 3377 ms returned sat
[2025-06-02 07:24:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:09] [INFO ] [Nat]Absence check using 1000 positive place invariants in 270 ms returned sat
[2025-06-02 07:24:13] [INFO ] [Nat]Absence check using state equation in 3904 ms returned sat
[2025-06-02 07:24:13] [INFO ] State equation strengthened by 1000 read => feed constraints.
[2025-06-02 07:24:13] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-02 07:24:13] [INFO ] [Nat]Added 1000 Read/Feed constraints in 97 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:14] [INFO ] [Real]Absence check using 1000 positive place invariants in 263 ms returned sat
[2025-06-02 07:24:17] [INFO ] [Real]Absence check using state equation in 3405 ms returned sat
[2025-06-02 07:24:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:19] [INFO ] [Nat]Absence check using 1000 positive place invariants in 271 ms returned sat
[2025-06-02 07:24:23] [INFO ] [Nat]Absence check using state equation in 4102 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:24] [INFO ] [Real]Absence check using 1000 positive place invariants in 264 ms returned sat
[2025-06-02 07:24:27] [INFO ] [Real]Absence check using state equation in 3290 ms returned sat
[2025-06-02 07:24:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:28] [INFO ] [Nat]Absence check using 1000 positive place invariants in 271 ms returned sat
[2025-06-02 07:24:32] [INFO ] [Nat]Absence check using state equation in 4124 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:33] [INFO ] [Real]Absence check using 1000 positive place invariants in 262 ms returned sat
[2025-06-02 07:24:37] [INFO ] [Real]Absence check using state equation in 3286 ms returned sat
[2025-06-02 07:24:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:38] [INFO ] [Nat]Absence check using 1000 positive place invariants in 244 ms returned sat
[2025-06-02 07:24:42] [INFO ] [Nat]Absence check using state equation in 4231 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:43] [INFO ] [Real]Absence check using 1000 positive place invariants in 253 ms returned sat
[2025-06-02 07:24:46] [INFO ] [Real]Absence check using state equation in 3078 ms returned sat
[2025-06-02 07:24:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:47] [INFO ] [Nat]Absence check using 1000 positive place invariants in 288 ms returned sat
[2025-06-02 07:24:51] [INFO ] [Nat]Absence check using state equation in 4073 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:52] [INFO ] [Real]Absence check using 1000 positive place invariants in 282 ms returned sat
[2025-06-02 07:24:55] [INFO ] [Real]Absence check using state equation in 3402 ms returned sat
[2025-06-02 07:24:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:24:57] [INFO ] [Nat]Absence check using 1000 positive place invariants in 283 ms returned sat
[2025-06-02 07:25:01] [INFO ] [Nat]Absence check using state equation in 4025 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:25:02] [INFO ] [Real]Absence check using 1000 positive place invariants in 264 ms returned sat
[2025-06-02 07:25:05] [INFO ] [Real]Absence check using state equation in 3137 ms returned sat
[2025-06-02 07:25:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:25:06] [INFO ] [Nat]Absence check using 1000 positive place invariants in 293 ms returned sat
[2025-06-02 07:25:10] [INFO ] [Nat]Absence check using state equation in 3594 ms returned sat
[2025-06-02 07:25:10] [INFO ] SMT solver returned unknown. Retrying;
[2025-06-02 07:25:10] [INFO ] [Nat]Added 1000 Read/Feed constraints in 495 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 1000, 2, 1000, 2, 3, 2, 2, 2, 3, 1000, 2, 2, 2, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 1000, 2, 1000, 2, 3, 2, 2, 2, 3, 1000, 2, 2, 2, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Support contains 16 out of 5000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5000/5000 places, 8001/8001 transitions.
Graph (complete) has 12000 edges and 5000 vertex of which 80 are kept as prefixes of interest. Removing 4920 places using SCC suffix rule.13 ms
Discarding 4920 places :
Also discarding 7872 output transitions
Drop transitions (Output transitions of discarded places.) removed 7872 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 80 transition count 128
Applied a total of 2 rules in 66 ms. Remains 80 /5000 variables (removed 4920) and now considering 128/8001 (removed 7873) transitions.
Running 96 sub problems to find dead transitions.
// Phase 1: matrix 128 rows 80 cols
[2025-06-02 07:25:10] [INFO ] Computed 16 invariants in 6 ms
[2025-06-02 07:25:10] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 112 constraints, problems are : Problem set: 0 solved, 96 unsolved in 3013 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 96 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 96/208 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 7 (OVERLAPS) 0/208 variables, 0/208 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 208 constraints, problems are : Problem set: 0 solved, 96 unsolved in 8412 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11481ms problems are : Problem set: 0 solved, 96 unsolved
Search for dead transitions found 0 dead transitions in 11493ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11572 ms. Remains : 80/5000 places, 128/8001 transitions.
[2025-06-02 07:25:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 1000, 2, 1000, 2, 3, 2, 2, 2, 3, 1000, 2, 2, 2, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
RANDOM walk for 1000001 steps (2 resets) in 1037 ms. (963 steps per ms)
BEST_FIRST walk for 16000016 steps (32 resets) in 19670 ms. (813 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000, 878, 1000, 1001, 1000, 942, 1001, 1001, 953, 860, 1001, 1000, 925, 967, 938, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
[2025-06-02 07:25:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:42] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:42] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:42] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:25:43] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2025-06-02 07:25:43] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-02 07:25:43] [INFO ] [Nat]Added 16 Read/Feed constraints in 148 ms returned sat
[2025-06-02 07:25:43] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-02 07:25:43] [INFO ] Added : 58 causal constraints over 12 iterations in 175 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:43] [INFO ] [Real]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:25:43] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-02 07:25:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:43] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:43] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-06-02 07:25:43] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:25:43] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:25:43] [INFO ] Added : 64 causal constraints over 14 iterations in 125 ms. Result :sat
Minimization took 87 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:43] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:43] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-02 07:25:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:43] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:44] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2025-06-02 07:25:44] [INFO ] [Nat]Added 16 Read/Feed constraints in 135 ms returned sat
[2025-06-02 07:25:44] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 07:25:44] [INFO ] Added : 61 causal constraints over 13 iterations in 227 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:44] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:44] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-02 07:25:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:44] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:44] [INFO ] [Nat]Absence check using state equation in 157 ms returned sat
[2025-06-02 07:25:44] [INFO ] [Nat]Added 16 Read/Feed constraints in 240 ms returned sat
[2025-06-02 07:25:44] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2025-06-02 07:25:45] [INFO ] Added : 47 causal constraints over 11 iterations in 116 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:45] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:45] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-02 07:25:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:45] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:25:45] [INFO ] [Nat]Absence check using state equation in 127 ms returned sat
[2025-06-02 07:25:45] [INFO ] [Nat]Added 16 Read/Feed constraints in 214 ms returned sat
[2025-06-02 07:25:45] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 12 ms.
[2025-06-02 07:25:45] [INFO ] Added : 41 causal constraints over 9 iterations in 112 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:45] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:45] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:25:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:45] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:45] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-02 07:25:45] [INFO ] [Nat]Added 16 Read/Feed constraints in 93 ms returned sat
[2025-06-02 07:25:45] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:25:46] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 11 ms to minimize.
[2025-06-02 07:25:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2025-06-02 07:25:46] [INFO ] Added : 44 causal constraints over 10 iterations in 226 ms. Result :sat
Minimization took 48 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:46] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:46] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:46] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:25:46] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:25:46] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:25:46] [INFO ] Added : 56 causal constraints over 12 iterations in 318 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:46] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:46] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:46] [INFO ] [Nat]Absence check using 16 positive place invariants in 2 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Nat]Absence check using state equation in 237 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-02 07:25:47] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:25:47] [INFO ] Added : 30 causal constraints over 7 iterations in 85 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:47] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:25:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:47] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Nat]Added 16 Read/Feed constraints in 98 ms returned sat
[2025-06-02 07:25:47] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:25:47] [INFO ] Added : 46 causal constraints over 10 iterations in 173 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:47] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:25:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:47] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2025-06-02 07:25:47] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-02 07:25:47] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:25:48] [INFO ] Added : 70 causal constraints over 15 iterations in 281 ms. Result :sat
Minimization took 65 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:48] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:48] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-02 07:25:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:48] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:48] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-02 07:25:48] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:25:48] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:25:48] [INFO ] Added : 78 causal constraints over 18 iterations in 362 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:48] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:48] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:25:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:48] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:25:48] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-02 07:25:49] [INFO ] [Nat]Added 16 Read/Feed constraints in 301 ms returned sat
[2025-06-02 07:25:49] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:25:49] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 1 ms to minimize.
[2025-06-02 07:25:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2025-06-02 07:25:49] [INFO ] Added : 53 causal constraints over 12 iterations in 215 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:49] [INFO ] [Real]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:25:49] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-02 07:25:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:49] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:49] [INFO ] [Nat]Absence check using state equation in 45 ms returned sat
[2025-06-02 07:25:49] [INFO ] [Nat]Added 16 Read/Feed constraints in 114 ms returned sat
[2025-06-02 07:25:49] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 07:25:49] [INFO ] Added : 67 causal constraints over 14 iterations in 125 ms. Result :sat
Minimization took 92 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:49] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:50] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-02 07:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:50] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-02 07:25:50] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-02 07:25:50] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:25:50] [INFO ] Added : 68 causal constraints over 14 iterations in 411 ms. Result :sat
Minimization took 64 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:50] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:50] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-02 07:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:50] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:50] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:25:50] [INFO ] [Nat]Added 16 Read/Feed constraints in 24 ms returned sat
[2025-06-02 07:25:50] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:25:51] [INFO ] Added : 66 causal constraints over 15 iterations in 321 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:51] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:25:51] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-02 07:25:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:25:51] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:25:51] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-02 07:25:51] [INFO ] [Nat]Added 16 Read/Feed constraints in 97 ms returned sat
[2025-06-02 07:25:51] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 07:25:51] [INFO ] Added : 62 causal constraints over 13 iterations in 255 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000, 878, 1000, 1001, 1000, 942, 1001, 1001, 953, 860, 1001, 1000, 925, 967, 938, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000, 1001, 1000, 1001, 1000, 1002, 1001, 1001, 1001, 1002, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Support contains 16 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Applied a total of 0 rules in 11 ms. Remains 80 /80 variables (removed 0) and now considering 128/128 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 80/80 places, 128/128 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Applied a total of 0 rules in 4 ms. Remains 80 /80 variables (removed 0) and now considering 128/128 (removed 0) transitions.
[2025-06-02 07:27:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:27:12] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-02 07:27:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:27:12] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-02 07:27:12] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 104 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:27:12] [INFO ] Redundant transitions in 2 ms returned []
Running 96 sub problems to find dead transitions.
[2025-06-02 07:27:12] [INFO ] Invariant cache hit.
[2025-06-02 07:27:12] [INFO ] State equation strengthened by 16 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 112 constraints, problems are : Problem set: 0 solved, 96 unsolved in 3067 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 96 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (OVERLAPS) 16/80 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (OVERLAPS) 128/208 variables, 80/96 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 16/112 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 96/208 constraints. Problems are: Problem set: 0 solved, 96 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:27:17] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 8 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/208 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/208 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 8 (OVERLAPS) 0/208 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 209 constraints, problems are : Problem set: 0 solved, 96 unsolved in 8669 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 80/80 constraints, ReadFeed: 16/16 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11753ms problems are : Problem set: 0 solved, 96 unsolved
Search for dead transitions found 0 dead transitions in 11755ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11875 ms. Remains : 80/80 places, 128/128 transitions.
[2025-06-02 07:27:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1000, 1001, 1000, 1001, 1000, 1002, 1001, 1001, 1001, 1002, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
RANDOM walk for 1000217 steps (2 resets) in 1049 ms. (952 steps per ms)
BEST_FIRST walk for 16000016 steps (32 resets) in 20445 ms. (782 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1002, 1001, 1001, 1001, 1002, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
[2025-06-02 07:27:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:46] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:46] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:46] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:46] [INFO ] State equation strengthened by 16 read => feed constraints.
[2025-06-02 07:27:46] [INFO ] [Nat]Added 16 Read/Feed constraints in 152 ms returned sat
[2025-06-02 07:27:46] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 18 ms.
[2025-06-02 07:27:46] [INFO ] Added : 42 causal constraints over 10 iterations in 127 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:46] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:46] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2025-06-02 07:27:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:46] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:46] [INFO ] [Nat]Added 16 Read/Feed constraints in 24 ms returned sat
[2025-06-02 07:27:46] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:27:46] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 1 ms to minimize.
[2025-06-02 07:27:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2025-06-02 07:27:46] [INFO ] Added : 69 causal constraints over 14 iterations in 180 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:46] [INFO ] [Real]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:27:47] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:47] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:47] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2025-06-02 07:27:47] [INFO ] [Nat]Added 16 Read/Feed constraints in 135 ms returned sat
[2025-06-02 07:27:47] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 07:27:47] [INFO ] Added : 61 causal constraints over 13 iterations in 219 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:47] [INFO ] [Real]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:27:47] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2025-06-02 07:27:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:47] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:47] [INFO ] [Nat]Absence check using state equation in 169 ms returned sat
[2025-06-02 07:27:48] [INFO ] [Nat]Added 16 Read/Feed constraints in 243 ms returned sat
[2025-06-02 07:27:48] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 07:27:48] [INFO ] Added : 47 causal constraints over 11 iterations in 126 ms. Result :sat
Minimization took 29 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:48] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:48] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:48] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:27:48] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2025-06-02 07:27:48] [INFO ] [Nat]Added 16 Read/Feed constraints in 205 ms returned sat
[2025-06-02 07:27:48] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 18 ms.
[2025-06-02 07:27:48] [INFO ] Added : 41 causal constraints over 9 iterations in 117 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:48] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2025-06-02 07:27:48] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:27:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:48] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:27:49] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 1 ms to minimize.
[2025-06-02 07:27:49] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 33 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:49] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:27:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:49] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:27:49] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 07:27:49] [INFO ] Added : 56 causal constraints over 12 iterations in 298 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:49] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-02 07:27:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:49] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Nat]Absence check using state equation in 236 ms returned sat
[2025-06-02 07:27:49] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-02 07:27:49] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:27:49] [INFO ] Added : 30 causal constraints over 7 iterations in 82 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:50] [INFO ] [Real]Absence check using 16 positive place invariants in 2 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2025-06-02 07:27:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:50] [INFO ] [Nat]Absence check using 16 positive place invariants in 2 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Nat]Absence check using state equation in 125 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Nat]Added 16 Read/Feed constraints in 114 ms returned sat
[2025-06-02 07:27:50] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:27:50] [INFO ] Added : 38 causal constraints over 10 iterations in 83 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:50] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:27:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:50] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:27:50] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
[2025-06-02 07:27:50] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 33 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:50] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:27:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:50] [INFO ] [Nat]Absence check using 16 positive place invariants in 4 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:27:50] [INFO ] [Nat]Added 16 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:27:50] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 07:27:51] [INFO ] Added : 78 causal constraints over 18 iterations in 384 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:51] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:51] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:51] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:51] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:51] [INFO ] [Nat]Added 16 Read/Feed constraints in 298 ms returned sat
[2025-06-02 07:27:51] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:27:51] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
[2025-06-02 07:27:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 46 ms
[2025-06-02 07:27:51] [INFO ] Added : 53 causal constraints over 12 iterations in 217 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:51] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:51] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-02 07:27:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:52] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Nat]Added 16 Read/Feed constraints in 3 ms returned sat
[2025-06-02 07:27:52] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:27:52] [INFO ] Added : 61 causal constraints over 13 iterations in 108 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:52] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:27:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:52] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Nat]Added 16 Read/Feed constraints in 97 ms returned sat
[2025-06-02 07:27:52] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:27:52] [INFO ] Added : 59 causal constraints over 13 iterations in 151 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:52] [INFO ] [Real]Absence check using 16 positive place invariants in 2 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-02 07:27:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:52] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:27:52] [INFO ] [Nat]Added 16 Read/Feed constraints in 98 ms returned sat
[2025-06-02 07:27:52] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:27:53] [INFO ] Added : 55 causal constraints over 14 iterations in 178 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:53] [INFO ] [Real]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:53] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2025-06-02 07:27:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:27:53] [INFO ] [Nat]Absence check using 16 positive place invariants in 3 ms returned sat
[2025-06-02 07:27:53] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2025-06-02 07:27:53] [INFO ] [Nat]Added 16 Read/Feed constraints in 94 ms returned sat
[2025-06-02 07:27:53] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:27:53] [INFO ] Added : 62 causal constraints over 13 iterations in 245 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1002, 1001, 1001, 1001, 1002, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1002, 1003, 1003, 1003, 1002, 1003, 1003, 1003, 1003, 1003, 1003]
FORMULA JoinFreeModules-PT-1000-UpperBounds-09 1002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-1000-UpperBounds-05 1002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Support contains 14 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 128/128 transitions.
Graph (complete) has 192 edges and 80 vertex of which 70 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 5 ms. Remains 70 /80 variables (removed 10) and now considering 112/128 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 70/80 places, 112/128 transitions.
// Phase 1: matrix 112 rows 70 cols
[2025-06-02 07:29:03] [INFO ] Computed 14 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
RANDOM walk for 1000178 steps (2 resets) in 868 ms. (1150 steps per ms)
BEST_FIRST walk for 14000014 steps (28 resets) in 14768 ms. (947 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
[2025-06-02 07:29:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:19] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:19] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-02 07:29:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:19] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:19] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 07:29:19] [INFO ] State equation strengthened by 14 read => feed constraints.
[2025-06-02 07:29:19] [INFO ] [Nat]Added 14 Read/Feed constraints in 111 ms returned sat
[2025-06-02 07:29:19] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:29:19] [INFO ] Added : 30 causal constraints over 7 iterations in 123 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:20] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-02 07:29:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:20] [INFO ] [Nat]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Nat]Added 14 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:29:20] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 11 ms.
[2025-06-02 07:29:20] [INFO ] Added : 24 causal constraints over 6 iterations in 99 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:20] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:29:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:20] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Nat]Added 14 Read/Feed constraints in 89 ms returned sat
[2025-06-02 07:29:20] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:29:20] [INFO ] Added : 28 causal constraints over 7 iterations in 89 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:20] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2025-06-02 07:29:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:20] [INFO ] [Nat]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:20] [INFO ] [Nat]Absence check using state equation in 213 ms returned sat
[2025-06-02 07:29:21] [INFO ] [Nat]Added 14 Read/Feed constraints in 91 ms returned sat
[2025-06-02 07:29:21] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:29:21] [INFO ] Added : 27 causal constraints over 6 iterations in 148 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:21] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:21] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-02 07:29:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:21] [INFO ] [Nat]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:21] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2025-06-02 07:29:21] [INFO ] [Nat]Added 14 Read/Feed constraints in 89 ms returned sat
[2025-06-02 07:29:21] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:29:21] [INFO ] Added : 32 causal constraints over 8 iterations in 121 ms. Result :sat
Minimization took 29 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:21] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:21] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:29:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:21] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:21] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:29:21] [INFO ] [Nat]Added 14 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:29:21] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:21] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
[2025-06-02 07:29:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2025-06-02 07:29:22] [INFO ] Added : 33 causal constraints over 7 iterations in 210 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:22] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2025-06-02 07:29:22] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2025-06-02 07:29:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:22] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:22] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-02 07:29:22] [INFO ] [Nat]Added 14 Read/Feed constraints in 352 ms returned sat
[2025-06-02 07:29:22] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:29:22] [INFO ] Added : 45 causal constraints over 10 iterations in 78 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:22] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:22] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:29:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:22] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:22] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:29:22] [INFO ] [Nat]Added 14 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:29:22] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 07:29:22] [INFO ] Added : 35 causal constraints over 7 iterations in 52 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:22] [INFO ] [Real]Absence check using 14 positive place invariants in 10 ms returned sat
[2025-06-02 07:29:22] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:29:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:23] [INFO ] [Nat]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:23] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-02 07:29:23] [INFO ] [Nat]Added 14 Read/Feed constraints in 38 ms returned sat
[2025-06-02 07:29:23] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 14 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:23] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:23] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:23] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
[2025-06-02 07:29:23] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 138 ms
[2025-06-02 07:29:23] [INFO ] Added : 51 causal constraints over 11 iterations in 340 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:23] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:23] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-02 07:29:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:23] [INFO ] [Nat]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:23] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
[2025-06-02 07:29:23] [INFO ] [Nat]Added 14 Read/Feed constraints in 109 ms returned sat
[2025-06-02 07:29:23] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:29:23] [INFO ] Added : 29 causal constraints over 7 iterations in 150 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:23] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2025-06-02 07:29:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:24] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Nat]Added 14 Read/Feed constraints in 67 ms returned sat
[2025-06-02 07:29:24] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:29:24] [INFO ] Added : 17 causal constraints over 4 iterations in 69 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:24] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:29:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:24] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Nat]Added 14 Read/Feed constraints in 322 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:24] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
[2025-06-02 07:29:24] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 40 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:24] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-02 07:29:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:24] [INFO ] [Nat]Absence check using 14 positive place invariants in 2 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Nat]Added 14 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:24] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
[2025-06-02 07:29:24] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 29 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:24] [INFO ] [Real]Absence check using 14 positive place invariants in 5 ms returned sat
[2025-06-02 07:29:24] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2025-06-02 07:29:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:29:25] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2025-06-02 07:29:25] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2025-06-02 07:29:25] [INFO ] [Nat]Added 14 Read/Feed constraints in 67 ms returned sat
[2025-06-02 07:29:25] [INFO ] Computed and/alt/rep : 84/210/84 causal constraints (skipped 0 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:25] [INFO ] Deduced a trap composed of 3 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:29:25] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
[2025-06-02 07:29:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2025-06-02 07:29:25] [INFO ] Added : 30 causal constraints over 6 iterations in 184 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1001, 1000, 1001, 1002, 1002, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1002, 1002, 1003]
FORMULA JoinFreeModules-PT-1000-UpperBounds-14 1002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-1000-UpperBounds-13 1002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1002, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Support contains 12 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 112/112 transitions.
Graph (complete) has 168 edges and 70 vertex of which 60 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 transitions
Applied a total of 1 rules in 4 ms. Remains 60 /70 variables (removed 10) and now considering 96/112 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 60/70 places, 96/112 transitions.
// Phase 1: matrix 96 rows 60 cols
[2025-06-02 07:30:11] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1002, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
RANDOM walk for 1000191 steps (2 resets) in 723 ms. (1381 steps per ms)
BEST_FIRST walk for 12000012 steps (24 resets) in 11171 ms. (1074 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1002, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
[2025-06-02 07:30:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:23] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:23] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:30:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:23] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:23] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:30:23] [INFO ] State equation strengthened by 12 read => feed constraints.
[2025-06-02 07:30:24] [INFO ] [Nat]Added 12 Read/Feed constraints in 272 ms returned sat
[2025-06-02 07:30:24] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 07:30:24] [INFO ] Added : 42 causal constraints over 10 iterations in 72 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:24] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:24] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 07:30:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:24] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:24] [INFO ] [Nat]Absence check using state equation in 103 ms returned sat
[2025-06-02 07:30:24] [INFO ] [Nat]Added 12 Read/Feed constraints in 76 ms returned sat
[2025-06-02 07:30:24] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:30:24] [INFO ] Added : 57 causal constraints over 13 iterations in 115 ms. Result :sat
Minimization took 36 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:24] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:24] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:30:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:24] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:24] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2025-06-02 07:30:25] [INFO ] [Nat]Added 12 Read/Feed constraints in 125 ms returned sat
[2025-06-02 07:30:25] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 07:30:25] [INFO ] Added : 26 causal constraints over 6 iterations in 44 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:25] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:25] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:30:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:25] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:25] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2025-06-02 07:30:25] [INFO ] [Nat]Added 12 Read/Feed constraints in 149 ms returned sat
[2025-06-02 07:30:25] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:30:25] [INFO ] Added : 41 causal constraints over 9 iterations in 88 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:25] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:25] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:30:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:25] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:25] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:30:25] [INFO ] [Nat]Added 12 Read/Feed constraints in 149 ms returned sat
[2025-06-02 07:30:25] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:30:25] [INFO ] Added : 41 causal constraints over 10 iterations in 70 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:26] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:26] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:30:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:26] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:26] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 07:30:26] [INFO ] [Nat]Added 12 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:30:26] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 07:30:26] [INFO ] Added : 53 causal constraints over 13 iterations in 184 ms. Result :sat
Minimization took 24 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:26] [INFO ] [Real]Absence check using 12 positive place invariants in 9 ms returned sat
[2025-06-02 07:30:26] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2025-06-02 07:30:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:26] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:26] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:30:26] [INFO ] [Nat]Added 12 Read/Feed constraints in 270 ms returned sat
[2025-06-02 07:30:26] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:30:27] [INFO ] Added : 54 causal constraints over 11 iterations in 326 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:27] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:27] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:30:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:27] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:27] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-02 07:30:27] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:30:27] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:30:27] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
[2025-06-02 07:30:27] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 32 ms
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:27] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:27] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:30:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:27] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:27] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2025-06-02 07:30:27] [INFO ] [Nat]Added 12 Read/Feed constraints in 171 ms returned sat
[2025-06-02 07:30:27] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:30:27] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 2 ms to minimize.
[2025-06-02 07:30:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 46 ms
[2025-06-02 07:30:27] [INFO ] Added : 41 causal constraints over 9 iterations in 172 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:28] [INFO ] [Real]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:30:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:28] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Nat]Added 12 Read/Feed constraints in 200 ms returned sat
[2025-06-02 07:30:28] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 07:30:28] [INFO ] Added : 53 causal constraints over 12 iterations in 153 ms. Result :sat
Minimization took 32 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:28] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:30:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:28] [INFO ] [Nat]Absence check using 12 positive place invariants in 3 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Nat]Added 12 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:30:28] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 07:30:28] [INFO ] Added : 42 causal constraints over 9 iterations in 123 ms. Result :sat
Minimization took 26 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:28] [INFO ] [Real]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:30:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:30:28] [INFO ] [Nat]Absence check using 12 positive place invariants in 2 ms returned sat
[2025-06-02 07:30:28] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 07:30:29] [INFO ] [Nat]Added 12 Read/Feed constraints in 199 ms returned sat
[2025-06-02 07:30:29] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:30:29] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:30:29] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
[2025-06-02 07:30:29] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 89 ms
[2025-06-02 07:30:29] [INFO ] Added : 43 causal constraints over 11 iterations in 247 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1002, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1002, 1003, 1003, 1003, 1003]
FORMULA JoinFreeModules-PT-1000-UpperBounds-08 1002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Support contains 11 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 96/96 transitions.
Graph (complete) has 144 edges and 60 vertex of which 55 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 55 /60 variables (removed 5) and now considering 88/96 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 55/60 places, 88/96 transitions.
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:31:03] [INFO ] Computed 11 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
RANDOM walk for 1000196 steps (2 resets) in 642 ms. (1555 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 9508 ms. (1156 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
[2025-06-02 07:31:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:13] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:13] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:14] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2025-06-02 07:31:14] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:31:14] [INFO ] [Nat]Added 11 Read/Feed constraints in 280 ms returned sat
[2025-06-02 07:31:14] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 07:31:14] [INFO ] Added : 48 causal constraints over 10 iterations in 99 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:14] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:14] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:14] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2025-06-02 07:31:14] [INFO ] [Nat]Added 11 Read/Feed constraints in 3 ms returned sat
[2025-06-02 07:31:14] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-02 07:31:14] [INFO ] Added : 34 causal constraints over 7 iterations in 43 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:14] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:14] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:14] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:14] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 07:31:15] [INFO ] [Nat]Added 11 Read/Feed constraints in 220 ms returned sat
[2025-06-02 07:31:15] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:31:15] [INFO ] Added : 27 causal constraints over 7 iterations in 45 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:15] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:15] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:15] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2025-06-02 07:31:15] [INFO ] [Nat]Added 11 Read/Feed constraints in 286 ms returned sat
[2025-06-02 07:31:15] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 17 ms.
[2025-06-02 07:31:15] [INFO ] Added : 20 causal constraints over 5 iterations in 58 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:15] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:15] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:15] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:31:16] [INFO ] [Nat]Added 11 Read/Feed constraints in 314 ms returned sat
[2025-06-02 07:31:16] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:31:16] [INFO ] Added : 42 causal constraints over 9 iterations in 301 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:16] [INFO ] [Real]Absence check using 11 positive place invariants in 1 ms returned sat
[2025-06-02 07:31:16] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 07:31:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:16] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 07:31:16] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:16] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:31:16] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 07:31:16] [INFO ] Added : 36 causal constraints over 9 iterations in 54 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:16] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:16] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:16] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:16] [INFO ] [Nat]Absence check using state equation in 92 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Nat]Added 11 Read/Feed constraints in 144 ms returned sat
[2025-06-02 07:31:17] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-02 07:31:17] [INFO ] Added : 21 causal constraints over 5 iterations in 38 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:17] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 07:31:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:31:17] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:31:17] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
[2025-06-02 07:31:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2025-06-02 07:31:17] [INFO ] Added : 51 causal constraints over 11 iterations in 125 ms. Result :sat
Minimization took 41 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:17] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2025-06-02 07:31:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Nat]Added 11 Read/Feed constraints in 157 ms returned sat
[2025-06-02 07:31:17] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 07:31:17] [INFO ] Added : 33 causal constraints over 8 iterations in 64 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:17] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 07:31:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:17] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2025-06-02 07:31:18] [INFO ] [Nat]Added 11 Read/Feed constraints in 218 ms returned sat
[2025-06-02 07:31:18] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:31:18] [INFO ] Added : 44 causal constraints over 10 iterations in 155 ms. Result :sat
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:18] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 07:31:18] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:31:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:31:18] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:31:18] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2025-06-02 07:31:18] [INFO ] [Nat]Added 11 Read/Feed constraints in 117 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:31:18] [INFO ] Deduced a trap composed of 3 places in 20 ms of which 1 ms to minimize.
[2025-06-02 07:31:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 289 ms
[2025-06-02 07:31:18] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-02 07:31:18] [INFO ] Added : 27 causal constraints over 6 iterations in 42 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001, 1001, 1000, 1001, 1000, 1001, 1001, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Support contains 11 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 3 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 55/55 places, 88/88 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Applied a total of 0 rules in 2 ms. Remains 55 /55 variables (removed 0) and now considering 88/88 (removed 0) transitions.
[2025-06-02 07:31:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:31:49] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-02 07:31:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:31:49] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:31:49] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:31:49] [INFO ] Redundant transitions in 1 ms returned []
Running 66 sub problems to find dead transitions.
[2025-06-02 07:31:49] [INFO ] Invariant cache hit.
[2025-06-02 07:31:49] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 6 (OVERLAPS) 0/143 variables, 0/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 77 constraints, problems are : Problem set: 0 solved, 66 unsolved in 1412 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 1 (OVERLAPS) 11/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 3 (OVERLAPS) 88/143 variables, 55/66 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/143 variables, 11/77 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 66/143 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:31:55] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 1/144 constraints. Problems are: Problem set: 0 solved, 66 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:31:58] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/143 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 66 unsolved
At refinement iteration 9 (OVERLAPS) 0/143 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 66 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 145 constraints, problems are : Problem set: 0 solved, 66 unsolved in 12095 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 66/66 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13547ms problems are : Problem set: 0 solved, 66 unsolved
Search for dead transitions found 0 dead transitions in 13547ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13647 ms. Remains : 55/55 places, 88/88 transitions.
RANDOM walk for 41159 steps (8 resets) in 96 ms. (424 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4002 steps (8 resets) in 22 ms. (174 steps per ms) remains 22/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 22/22 properties
[2025-06-02 07:32:03] [INFO ] Flatten gal took : 69 ms
[2025-06-02 07:32:03] [INFO ] Flatten gal took : 33 ms
[2025-06-02 07:32:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13108591469045375457.gal : 10 ms
[2025-06-02 07:32:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12118962752001588840.prop : 2 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/ReachabilityCardinality13108591469045375457.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12118962752001588840.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12118962752001588840.prop.
SDD proceeding with computation,22 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,22 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,22 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,22 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,22 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,22 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,22 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 253734 steps, run timeout after 3001 ms. (steps per millisecond=84 ) properties seen :0 out of 22
Probabilistic random walk after 253734 steps, saw 236828 distinct states, run finished after 3006 ms. (steps per millisecond=84 ) properties seen :0
[2025-06-02 07:32:06] [INFO ] Invariant cache hit.
[2025-06-02 07:32:06] [INFO ] State equation strengthened by 11 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 22 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 22 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 56 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:06] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 1 ms to minimize.
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 8/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/74 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 0/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/143 variables, 0/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 85 constraints, problems are : Problem set: 8 solved, 14 unsolved in 904 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 22/22 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 8 solved, 14 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 44/55 variables, 11/11 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 8/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/55 variables, 0/19 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 88/143 variables, 55/74 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/143 variables, 11/85 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/143 variables, 14/99 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/143 variables, 0/99 constraints. Problems are: Problem set: 8 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 0/143 variables, 0/99 constraints. Problems are: Problem set: 8 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 99 constraints, problems are : Problem set: 8 solved, 14 unsolved in 5007 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 55/55 constraints, ReadFeed: 11/11 constraints, PredecessorRefiner: 14/22 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5914ms problems are : Problem set: 8 solved, 14 unsolved
Fused 14 Parikh solutions to 1 different solutions.
SDD proceeding with computation,22 properties remain. new max is 512
SDD size :11747 after 45500
Parikh walk visited 6 properties in 19312 ms.
Support contains 8 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 40 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.1 ms
Discarding 15 places :
Also discarding 24 output transitions
Drop transitions (Output transitions of discarded places.) removed 24 transitions
Applied a total of 1 rules in 21 ms. Remains 40 /55 variables (removed 15) and now considering 64/88 (removed 24) transitions.
Running 48 sub problems to find dead transitions.
// Phase 1: matrix 64 rows 40 cols
[2025-06-02 07:32:31] [INFO ] Computed 8 invariants in 1 ms
[2025-06-02 07:32:31] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (OVERLAPS) 8/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 64/104 variables, 40/48 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (OVERLAPS) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 56 constraints, problems are : Problem set: 0 solved, 48 unsolved in 1295 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 48 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 1 (OVERLAPS) 8/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 3 (OVERLAPS) 64/104 variables, 40/48 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 48/104 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 48 unsolved
At refinement iteration 7 (OVERLAPS) 0/104 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 48 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 104 constraints, problems are : Problem set: 0 solved, 48 unsolved in 2322 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 48/48 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3627ms problems are : Problem set: 0 solved, 48 unsolved
Search for dead transitions found 0 dead transitions in 3628ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3649 ms. Remains : 40/55 places, 64/88 transitions.
RANDOM walk for 43023 steps (8 resets) in 37 ms. (1132 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 111 ms. (357 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 89 ms. (444 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 102 ms. (388 steps per ms) remains 8/8 properties
Interrupted probabilistic random walk after 172359 steps, run timeout after 3001 ms. (steps per millisecond=57 ) properties seen :0 out of 8
Probabilistic random walk after 172359 steps, saw 158235 distinct states, run finished after 3001 ms. (steps per millisecond=57 ) properties seen :0
[2025-06-02 07:32:38] [INFO ] Invariant cache hit.
[2025-06-02 07:32:38] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 64/104 variables, 40/48 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 56 constraints, problems are : Problem set: 0 solved, 8 unsolved in 151 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:38] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 64/104 variables, 40/49 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 8/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 8/65 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:41] [INFO ] Deduced a trap composed of 3 places in 298 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:41] [INFO ] Deduced a trap composed of 4 places in 184 ms of which 24 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/104 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 67 constraints, problems are : Problem set: 0 solved, 8 unsolved in 3528 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3695ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 1 different solutions.
Parikh walk visited 1 properties in 10964 ms.
Support contains 7 out of 40 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 40/40 places, 64/64 transitions.
Graph (complete) has 96 edges and 40 vertex of which 35 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.0 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 2 ms. Remains 35 /40 variables (removed 5) and now considering 56/64 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 35/40 places, 56/64 transitions.
RANDOM walk for 41738 steps (8 resets) in 64 ms. (642 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 82 ms. (481 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 7/7 properties
Detected timeout of ITS tools.
[2025-06-02 07:32:53] [INFO ] Flatten gal took : 7 ms
[2025-06-02 07:32:53] [INFO ] Applying decomposition
[2025-06-02 07:32:53] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph11782925746059814550.txt' '-o' '/tmp/graph11782925746059814550.bin' '-w' '/tmp/graph11782925746059814550.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11782925746059814550.bin' '-l' '-1' '-v' '-w' '/tmp/graph11782925746059814550.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:32:54] [INFO ] Decomposing Gal with order
[2025-06-02 07:32:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:32:54] [INFO ] Flatten gal took : 10 ms
[2025-06-02 07:32:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 07:32:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2351482798940440848.gal : 2 ms
[2025-06-02 07:32:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15298179746190316555.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/ReachabilityCardinality2351482798940440848.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15298179746190316555.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/ReachabilityCardinality15298179746190316555.prop.
SDD proceeding with computation,7 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,7 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,7 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,7 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,7 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,7 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 222306 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :0 out of 7
Probabilistic random walk after 222306 steps, saw 199041 distinct states, run finished after 3001 ms. (steps per millisecond=74 ) properties seen :0
// Phase 1: matrix 56 rows 35 cols
[2025-06-02 07:32:56] [INFO ] Computed 7 invariants in 0 ms
[2025-06-02 07:32:56] [INFO ] State equation strengthened by 7 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 28/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 56/91 variables, 35/42 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/91 variables, 7/49 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/91 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 91/91 variables, and 49 constraints, problems are : Problem set: 0 solved, 7 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 28/35 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:56] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:56] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/35 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/35 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (OVERLAPS) 56/91 variables, 35/44 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/91 variables, 7/51 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/91 variables, 7/58 constraints. Problems are: Problem set: 0 solved, 7 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:57] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:57] [INFO ] Deduced a trap composed of 3 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:32:57] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/91 variables, 3/61 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/91 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (OVERLAPS) 0/91 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 91/91 variables, and 61 constraints, problems are : Problem set: 0 solved, 7 unsolved in 2796 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 35/35 constraints, ReadFeed: 7/7 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2899ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 1 different solutions.
Parikh walk visited 1 properties in 3240 ms.
Support contains 6 out of 35 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 35/35 places, 56/56 transitions.
Graph (complete) has 84 edges and 35 vertex of which 30 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.1 ms
Discarding 5 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Applied a total of 1 rules in 3 ms. Remains 30 /35 variables (removed 5) and now considering 48/56 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 30/35 places, 48/56 transitions.
RANDOM walk for 41140 steps (8 resets) in 33 ms. (1210 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 93 ms. (425 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 48 ms. (816 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 6/6 properties
SDD proceeding with computation,7 properties remain. new max is 512
SDD size :11747 after 45500
Interrupted probabilistic random walk after 409576 steps, run timeout after 3001 ms. (steps per millisecond=136 ) properties seen :0 out of 6
Probabilistic random walk after 409576 steps, saw 354236 distinct states, run finished after 3002 ms. (steps per millisecond=136 ) properties seen :0
// Phase 1: matrix 48 rows 30 cols
[2025-06-02 07:33:05] [INFO ] Computed 6 invariants in 0 ms
[2025-06-02 07:33:05] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 42 constraints, problems are : Problem set: 0 solved, 6 unsolved in 101 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 24/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:06] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 48/78 variables, 30/37 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 6/43 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 6/49 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:06] [INFO ] Deduced a trap composed of 3 places in 44 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:06] [INFO ] Deduced a trap composed of 3 places in 169 ms of which 29 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 2/51 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 0/78 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 51 constraints, problems are : Problem set: 0 solved, 6 unsolved in 1073 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1183ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 6105 ms.
Support contains 6 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 4 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 30/30 places, 48/48 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 48/48 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2025-06-02 07:33:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:33:13] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-02 07:33:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:33:13] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-02 07:33:13] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:33:13] [INFO ] Redundant transitions in 0 ms returned []
Running 36 sub problems to find dead transitions.
[2025-06-02 07:33:13] [INFO ] Invariant cache hit.
[2025-06-02 07:33:13] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 6/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 0/78 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 42 constraints, problems are : Problem set: 0 solved, 36 unsolved in 506 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/24 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 6/30 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (OVERLAPS) 48/78 variables, 30/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/78 variables, 6/42 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 36/78 constraints. Problems are: Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:14] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 79 constraints, problems are : Problem set: 0 solved, 36 unsolved in 1519 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, State Equation: 30/30 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2031ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 2031ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2108 ms. Remains : 30/30 places, 48/48 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA JoinFreeModules-PT-1000-UpperBounds-07 1003 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-1000-UpperBounds-03 1003 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-1000-UpperBounds-00 1003 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 3 queries.) : Max Seen:[1001, 1000, 1000, 1001, 1001, 1000, 1001, 1000] Max Struct:[1003, 1003, 1003, 1003, 1003, 1003, 1003, 1003]
Starting property specific reduction for JoinFreeModules-PT-1000-UpperBounds-01
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:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:33:15] [INFO ] Computed 11 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1003]
RANDOM walk for 10319 steps (2 resets) in 9 ms. (1031 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[129] Max Struct:[1003]
[2025-06-02 07:33:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:33:15] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 07:33:15] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-02 07:33:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:33:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:33:15] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:33:15] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:33:15] [INFO ] [Nat]Added 11 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:33:15] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:15] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:15] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 1 ms to minimize.
[2025-06-02 07:33:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 73 ms
[2025-06-02 07:33:15] [INFO ] Added : 53 causal constraints over 12 iterations in 170 ms. Result :sat
Minimization took 148 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[129] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1002] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.0 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 0 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:33:18] [INFO ] Computed 1 invariants in 0 ms
[2025-06-02 07:33:18] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 139ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 141 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:33:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1002] Max Struct:[1003]
RANDOM walk for 1000093 steps (2 resets) in 117 ms. (8475 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 422 ms. (2364 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1002] Max Struct:[1003]
[2025-06-02 07:33:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:33:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:33:19] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-02 07:33:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:33:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:33:19] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-02 07:33:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:33:19] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:19] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 1 ms to minimize.
[2025-06-02 07:33:19] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 30 ms
Current structural bounds on expressions (after SMT) : Max Seen:[1002] Max Struct:[1002]
FORMULA JoinFreeModules-PT-1000-UpperBounds-01 1002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
[2025-06-02 07:33:19] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:33:19] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:33:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14599697581359995109.gal : 1 ms
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2025-06-02 07:33:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15508307501282716717.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/ReachabilityCardinality14599697581359995109.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15508307501282716717.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15508307501282716717.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,8,0.003265,3996,2,15,5,61,6,0,45,39,0
Total reachable state count : 8

ITS runner timed out or was interrupted.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-01 in 4325 ms.
Starting property specific reduction for JoinFreeModules-PT-1000-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1000] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:33:19] [INFO ] Computed 11 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 10014 steps (2 resets) in 6 ms. (1430 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:33:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:33:19] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 07:33:19] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:33:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:33:19] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:33:19] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2025-06-02 07:33:19] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:33:20] [INFO ] [Nat]Added 11 Read/Feed constraints in 219 ms returned sat
[2025-06-02 07:33:20] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:33:20] [INFO ] Added : 27 causal constraints over 7 iterations in 54 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.0 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 3 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:33:22] [INFO ] Computed 1 invariants in 0 ms
[2025-06-02 07:33:22] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 88 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 193ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 193ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 196 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:33:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 1000125 steps (2 resets) in 117 ms. (8475 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 467 ms. (2136 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:33:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:33:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:33:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:33:23] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:33:23] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:33:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:33:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:33:23] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-02 07:33:23] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:33:23] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 0 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:23] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
[2025-06-02 07:33:23] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
[2025-06-02 07:33:23] [INFO ] Added : 5 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:33:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:33:23] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-02 07:33:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:33:23] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:33:23] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:33:23] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:33:23] [INFO ] Invariant cache hit.
[2025-06-02 07:33:23] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 183ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 183ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 232 ms. Remains : 5/5 places, 8/8 transitions.
[2025-06-02 07:33:23] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:33:23] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:33:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1380729230852747069.gal : 1 ms
[2025-06-02 07:33:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17998782810323126730.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/ReachabilityCardinality1380729230852747069.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17998782810323126730.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40515 steps (8 resets) in 12 ms. (3116 steps per ms) remains 2/2 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 ...329
Loading property file /tmp/ReachabilityCardinality17998782810323126730.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 521372 steps, run timeout after 3001 ms. (steps per millisecond=173 ) properties seen :0 out of 2
Probabilistic random walk after 521372 steps, saw 221637 distinct states, run finished after 3001 ms. (steps per millisecond=173 ) properties seen :0
[2025-06-02 07:33:26] [INFO ] Invariant cache hit.
[2025-06-02 07:33:26] [INFO ] State equation strengthened by 1 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:26] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 1 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 1 solved, 1 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 68 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 07:33:26] [INFO ] Invariant cache hit.
[2025-06-02 07:33:26] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 210ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 211ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 212 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40742 steps (8 resets) in 11 ms. (3395 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3401412 steps, run timeout after 3001 ms. (steps per millisecond=1133 ) properties seen :0 out of 1
Probabilistic random walk after 3401412 steps, saw 1198031 distinct states, run finished after 3001 ms. (steps per millisecond=1133 ) properties seen :0
[2025-06-02 07:33:30] [INFO ] Invariant cache hit.
[2025-06-02 07:33:30] [INFO ] State equation strengthened by 1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:33:30] [INFO ] Deduced a trap composed of 3 places in 21 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 60 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:33:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:33:30] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-02 07:33:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:33:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:33:30] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:33:30] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:33:30] [INFO ] Invariant cache hit.
[2025-06-02 07:33:30] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 113 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 215ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 215ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 280 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 07:33:30] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:33:30] [INFO ] Applying decomposition
[2025-06-02 07:33:30] [INFO ] Flatten gal took : 1 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/graph11878920618840559634.txt' '-o' '/tmp/graph11878920618840559634.bin' '-w' '/tmp/graph11878920618840559634.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11878920618840559634.bin' '-l' '-1' '-v' '-w' '/tmp/graph11878920618840559634.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:33:30] [INFO ] Decomposing Gal with order
[2025-06-02 07:33:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:33:30] [INFO ] Flatten gal took : 55 ms
[2025-06-02 07:33:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-02 07:33:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18076354145795636334.gal : 1 ms
[2025-06-02 07:33:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17880914801668707712.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/ReachabilityCardinality18076354145795636334.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17880914801668707712.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/ReachabilityCardinality17880914801668707712.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :93475 after 93483
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.1947e+08 after 9.59303e+08
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1000] Max Struct:[1003]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-02 in 60967 ms.
Starting property specific reduction for JoinFreeModules-PT-1000-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[1000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1000] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:34:20] [INFO ] Computed 11 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 10182 steps (2 resets) in 10 ms. (925 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:34:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:34:20] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:34:20] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:34:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:34:20] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:34:20] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-02 07:34:20] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:34:21] [INFO ] [Nat]Added 11 Read/Feed constraints in 314 ms returned sat
[2025-06-02 07:34:21] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-02 07:34:21] [INFO ] Added : 42 causal constraints over 9 iterations in 301 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.0 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:34:23] [INFO ] Computed 1 invariants in 1 ms
[2025-06-02 07:34:23] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 192ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 192ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:34:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 1000038 steps (2 resets) in 117 ms. (8474 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 420 ms. (2375 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:34:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:34:24] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-02 07:34:24] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:34:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:34:24] [INFO ] [Real]Added 1 Read/Feed constraints in 6 ms returned sat
[2025-06-02 07:34:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:34:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:34:24] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:34:24] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:34:24] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:34:24] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
[2025-06-02 07:34:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 27 ms
[2025-06-02 07:34:24] [INFO ] Added : 5 causal constraints over 2 iterations in 41 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:34:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:34:24] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-02 07:34:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:34:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:34:24] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:34:24] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:34:24] [INFO ] Invariant cache hit.
[2025-06-02 07:34:24] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 177ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 221 ms. Remains : 5/5 places, 8/8 transitions.
[2025-06-02 07:34:24] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:34:24] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 40357 steps (8 resets) in 9 ms. (4035 steps per ms) remains 2/2 properties
[2025-06-02 07:34:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5879889402649455511.gal : 6 ms
[2025-06-02 07:34:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality155746845840261410.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/ReachabilityCardinality5879889402649455511.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality155746845840261410.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
Loading property file /tmp/ReachabilityCardinality155746845840261410.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
BEST_FIRST walk for 40004 steps (8 resets) in 49 ms. (800 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 1354490 steps, run timeout after 3001 ms. (steps per millisecond=451 ) properties seen :0 out of 2
Probabilistic random walk after 1354490 steps, saw 469937 distinct states, run finished after 3001 ms. (steps per millisecond=451 ) properties seen :0
[2025-06-02 07:34:27] [INFO ] Invariant cache hit.
[2025-06-02 07:34:27] [INFO ] State equation strengthened by 1 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:34:28] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 4 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 1 solved, 1 unsolved in 799 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 1 solved, 1 unsolved in 339 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1152ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 44 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 07:34:29] [INFO ] Invariant cache hit.
[2025-06-02 07:34:29] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 228ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 228ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 229 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40532 steps (8 resets) in 8 ms. (4503 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2861141 steps, run timeout after 3001 ms. (steps per millisecond=953 ) properties seen :0 out of 1
Probabilistic random walk after 2861141 steps, saw 1010297 distinct states, run finished after 3001 ms. (steps per millisecond=953 ) properties seen :0
[2025-06-02 07:34:32] [INFO ] Invariant cache hit.
[2025-06-02 07:34:32] [INFO ] State equation strengthened by 1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:34:32] [INFO ] Deduced a trap composed of 3 places in 48 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 135 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 191ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 46 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:34:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:34:32] [INFO ] Implicit Places using invariants in 46 ms returned []
[2025-06-02 07:34:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:34:32] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:34:32] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:34:32] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:34:32] [INFO ] Invariant cache hit.
[2025-06-02 07:34:32] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 112 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 238ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 238ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 337 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 07:34:32] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:34:32] [INFO ] Applying decomposition
[2025-06-02 07:34:32] [INFO ] Flatten gal took : 1 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/graph9423459716356381517.txt' '-o' '/tmp/graph9423459716356381517.bin' '-w' '/tmp/graph9423459716356381517.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9423459716356381517.bin' '-l' '-1' '-v' '-w' '/tmp/graph9423459716356381517.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:34:32] [INFO ] Decomposing Gal with order
[2025-06-02 07:34:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:34:33] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:34:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 07:34:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13082866589589839200.gal : 0 ms
[2025-06-02 07:34:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10496853521010731561.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/ReachabilityCardinality13082866589589839200.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10496853521010731561.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/ReachabilityCardinality10496853521010731561.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :97470 after 172777
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.19488e+08 after 9.5932e+08
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1000] Max Struct:[1003]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-04 in 62352 ms.
Starting property specific reduction for JoinFreeModules-PT-1000-UpperBounds-06
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:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:35:23] [INFO ] Computed 11 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[1003]
RANDOM walk for 10538 steps (2 resets) in 6 ms. (1505 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[140] Max Struct:[1003]
[2025-06-02 07:35:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:35:23] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 07:35:23] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-02 07:35:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:35:23] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:35:23] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:35:23] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:35:23] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:35:23] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:35:23] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:35:23] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:35:23] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:35:23] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
[2025-06-02 07:35:23] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 163 ms
[2025-06-02 07:35:23] [INFO ] Added : 53 causal constraints over 12 iterations in 240 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[140] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.0 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:35:25] [INFO ] Computed 1 invariants in 0 ms
[2025-06-02 07:35:25] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 154ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 154ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:35:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1001] Max Struct:[1003]
RANDOM walk for 1000126 steps (2 resets) in 112 ms. (8850 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 551 ms. (1811 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1001] Max Struct:[1003]
[2025-06-02 07:35:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:35:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:35:26] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:35:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:35:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:35:26] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:35:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:35:26] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-02 07:35:26] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 07:35:26] [INFO ] Added : 6 causal constraints over 3 iterations in 8 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1001] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001] Max Struct:[1003]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:35:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:35:27] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-02 07:35:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:35:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:35:27] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:35:27] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:35:27] [INFO ] Invariant cache hit.
[2025-06-02 07:35:27] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 141ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 141ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40587 steps (8 resets) in 16 ms. (2387 steps per ms) remains 2/2 properties
[2025-06-02 07:35:27] [INFO ] Flatten gal took : 7 ms
[2025-06-02 07:35:27] [INFO ] Flatten gal took : 0 ms
[2025-06-02 07:35:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1245054779227115361.gal : 1 ms
[2025-06-02 07:35:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4149687631717029607.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/ReachabilityCardinality1245054779227115361.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4149687631717029607.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality4149687631717029607.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 38 ms. (1025 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 964137 steps, run timeout after 3001 ms. (steps per millisecond=321 ) properties seen :0 out of 2
Probabilistic random walk after 964137 steps, saw 386273 distinct states, run finished after 3001 ms. (steps per millisecond=321 ) properties seen :0
[2025-06-02 07:35:30] [INFO ] Invariant cache hit.
[2025-06-02 07:35:30] [INFO ] State equation strengthened by 1 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:35:30] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 1 solved, 1 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 1 solved, 1 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 171 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 07:35:30] [INFO ] Invariant cache hit.
[2025-06-02 07:35:30] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 141ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 141ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 141 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40648 steps (8 resets) in 10 ms. (3695 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3621791 steps, run timeout after 3001 ms. (steps per millisecond=1206 ) properties seen :0 out of 1
Probabilistic random walk after 3621791 steps, saw 1276519 distinct states, run finished after 3002 ms. (steps per millisecond=1206 ) properties seen :0
[2025-06-02 07:35:33] [INFO ] Invariant cache hit.
[2025-06-02 07:35:33] [INFO ] State equation strengthened by 1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 78ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 172 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:35:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:35:33] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-02 07:35:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:35:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:35:33] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:35:33] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:35:33] [INFO ] Invariant cache hit.
[2025-06-02 07:35:33] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 165ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 165ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 224 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 07:35:34] [INFO ] Flatten gal took : 0 ms
[2025-06-02 07:35:34] [INFO ] Applying decomposition
[2025-06-02 07:35:34] [INFO ] Flatten gal took : 0 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/graph18061139394349225737.txt' '-o' '/tmp/graph18061139394349225737.bin' '-w' '/tmp/graph18061139394349225737.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18061139394349225737.bin' '-l' '-1' '-v' '-w' '/tmp/graph18061139394349225737.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:35:34] [INFO ] Decomposing Gal with order
[2025-06-02 07:35:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:35:34] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:35:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 07:35:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1703633997826061662.gal : 1 ms
[2025-06-02 07:35:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8002117821464119189.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/ReachabilityCardinality1703633997826061662.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8002117821464119189.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/ReachabilityCardinality8002117821464119189.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :36884 after 76600
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :76600 after 194585
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :194585 after 202538
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :202538 after 343948
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :343948 after 367763
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :367763 after 579945
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :579945 after 924725
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :1.3022e+06 after 1.91597e+06
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1001] Max Struct:[1003]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-06 in 61152 ms.
Starting property specific reduction for JoinFreeModules-PT-1000-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:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:36:24] [INFO ] Computed 11 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[1003]
RANDOM walk for 10318 steps (2 resets) in 7 ms. (1289 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 13 ms. (714 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[301] Max Struct:[1003]
[2025-06-02 07:36:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:36:24] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:36:24] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-02 07:36:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:36:24] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:36:24] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 07:36:24] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:36:24] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:36:24] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:36:24] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:36:24] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 3 ms to minimize.
[2025-06-02 07:36:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 74 ms
[2025-06-02 07:36:24] [INFO ] Added : 54 causal constraints over 12 iterations in 152 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[301] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.1 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:36:27] [INFO ] Computed 1 invariants in 0 ms
[2025-06-02 07:36:27] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 162ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 164ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:36:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1001] Max Struct:[1003]
RANDOM walk for 1000015 steps (2 resets) in 111 ms. (8928 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 488 ms. (2044 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1001] Max Struct:[1003]
[2025-06-02 07:36:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:36:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:36:27] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2025-06-02 07:36:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:36:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-02 07:36:27] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2025-06-02 07:36:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:36:27] [INFO ] [Nat]Added 1 Read/Feed constraints in 12 ms returned sat
[2025-06-02 07:36:27] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-02 07:36:27] [INFO ] Added : 6 causal constraints over 3 iterations in 7 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1001] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001] Max Struct:[1003]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:36:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:36:28] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-02 07:36:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:36:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:36:28] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:36:28] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:36:28] [INFO ] Invariant cache hit.
[2025-06-02 07:36:28] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 140ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 5/5 places, 8/8 transitions.
[2025-06-02 07:36:28] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:36:28] [INFO ] Flatten gal took : 0 ms
[2025-06-02 07:36:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11915257331820342991.gal : 0 ms
[2025-06-02 07:36:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11469880009927006587.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/ReachabilityCardinality11915257331820342991.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11469880009927006587.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11469880009927006587.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
RANDOM walk for 40319 steps (8 resets) in 31 ms. (1259 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 44 ms. (888 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 907670 steps, run timeout after 3001 ms. (steps per millisecond=302 ) properties seen :0 out of 2
Probabilistic random walk after 907670 steps, saw 365652 distinct states, run finished after 3001 ms. (steps per millisecond=302 ) properties seen :0
[2025-06-02 07:36:31] [INFO ] Invariant cache hit.
[2025-06-02 07:36:31] [INFO ] State equation strengthened by 1 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:36:31] [INFO ] Deduced a trap composed of 3 places in 142 ms of which 26 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 1 solved, 1 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 1 solved, 1 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 261ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 210 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 07:36:31] [INFO ] Invariant cache hit.
[2025-06-02 07:36:31] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 140ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 141ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 41161 steps (8 resets) in 9 ms. (4116 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3484169 steps, run timeout after 3001 ms. (steps per millisecond=1161 ) properties seen :0 out of 1
Probabilistic random walk after 3484169 steps, saw 1226695 distinct states, run finished after 3002 ms. (steps per millisecond=1160 ) properties seen :0
[2025-06-02 07:36:34] [INFO ] Invariant cache hit.
[2025-06-02 07:36:34] [INFO ] State equation strengthened by 1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 40 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 132ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 215 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:36:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:36:35] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-02 07:36:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:36:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:36:35] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:36:35] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:36:35] [INFO ] Invariant cache hit.
[2025-06-02 07:36:35] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 161ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 162ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 230 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 07:36:35] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:36:35] [INFO ] Applying decomposition
[2025-06-02 07:36:35] [INFO ] Flatten gal took : 1 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/graph11480390912854303679.txt' '-o' '/tmp/graph11480390912854303679.bin' '-w' '/tmp/graph11480390912854303679.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11480390912854303679.bin' '-l' '-1' '-v' '-w' '/tmp/graph11480390912854303679.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:36:35] [INFO ] Decomposing Gal with order
[2025-06-02 07:36:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:36:35] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:36:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-02 07:36:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6986288630662694398.gal : 1 ms
[2025-06-02 07:36:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10363340264178486508.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/ReachabilityCardinality6986288630662694398.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10363340264178486508.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/ReachabilityCardinality10363340264178486508.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :36884 after 76591
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :76591 after 196593
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :196593 after 205524
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :205524 after 347919
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :347919 after 369748
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :369748 after 579917
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :579917 after 924694
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :924694 after 1.30214e+06
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1001] Max Struct:[1003]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-10 in 61403 ms.
Starting property specific reduction for JoinFreeModules-PT-1000-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[1000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1000] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:37:25] [INFO ] Computed 11 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 10767 steps (2 resets) in 7 ms. (1345 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:37:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:37:25] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:37:25] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-02 07:37:25] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:37:25] [INFO ] [Nat]Absence check using 11 positive place invariants in 1 ms returned sat
[2025-06-02 07:37:25] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2025-06-02 07:37:25] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:37:25] [INFO ] [Nat]Added 11 Read/Feed constraints in 155 ms returned sat
[2025-06-02 07:37:25] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-02 07:37:25] [INFO ] Added : 33 causal constraints over 8 iterations in 55 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.0 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:37:28] [INFO ] Computed 1 invariants in 1 ms
[2025-06-02 07:37:28] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 141 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 241ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 241ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 242 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:37:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 1000083 steps (2 resets) in 113 ms. (8772 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 395 ms. (2525 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:37:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:37:28] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-02 07:37:28] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:37:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:37:28] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:37:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:37:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-02 07:37:29] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-02 07:37:29] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:37:29] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:37:29] [INFO ] Deduced a trap composed of 3 places in 18 ms of which 1 ms to minimize.
[2025-06-02 07:37:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2025-06-02 07:37:29] [INFO ] Added : 5 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:37:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:37:29] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-02 07:37:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:37:29] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:37:29] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:37:29] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:37:29] [INFO ] Invariant cache hit.
[2025-06-02 07:37:29] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 182ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 182ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 223 ms. Remains : 5/5 places, 8/8 transitions.
[2025-06-02 07:37:29] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:37:29] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:37:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2774255406790894262.gal : 0 ms
[2025-06-02 07:37:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4505520829495855609.prop : 2 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/ReachabilityCardinality2774255406790894262.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4505520829495855609.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40350 steps (8 resets) in 14 ms. (2690 steps per ms) remains 2/2 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/ReachabilityCardinality4505520829495855609.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 1199929 steps, run timeout after 3001 ms. (steps per millisecond=399 ) properties seen :0 out of 2
Probabilistic random walk after 1199929 steps, saw 442822 distinct states, run finished after 3001 ms. (steps per millisecond=399 ) properties seen :0
[2025-06-02 07:37:32] [INFO ] Invariant cache hit.
[2025-06-02 07:37:32] [INFO ] State equation strengthened by 1 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:37:32] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 1 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 1 solved, 1 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 145ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 07:37:32] [INFO ] Invariant cache hit.
[2025-06-02 07:37:32] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 171 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 274ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 274ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 275 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40347 steps (8 resets) in 11 ms. (3362 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2851385 steps, run timeout after 3001 ms. (steps per millisecond=950 ) properties seen :0 out of 1
Probabilistic random walk after 2851385 steps, saw 1007006 distinct states, run finished after 3001 ms. (steps per millisecond=950 ) properties seen :0
[2025-06-02 07:37:35] [INFO ] Invariant cache hit.
[2025-06-02 07:37:35] [INFO ] State equation strengthened by 1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:37:35] [INFO ] Deduced a trap composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 155ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 48 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:37:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:37:36] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-02 07:37:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:37:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:37:36] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:37:36] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:37:36] [INFO ] Invariant cache hit.
[2025-06-02 07:37:36] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 177ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 284 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 07:37:36] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:37:36] [INFO ] Applying decomposition
[2025-06-02 07:37:36] [INFO ] Flatten gal took : 0 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/graph3130121903782335386.txt' '-o' '/tmp/graph3130121903782335386.bin' '-w' '/tmp/graph3130121903782335386.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3130121903782335386.bin' '-l' '-1' '-v' '-w' '/tmp/graph3130121903782335386.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:37:36] [INFO ] Decomposing Gal with order
[2025-06-02 07:37:36] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:37:36] [INFO ] Flatten gal took : 2 ms
[2025-06-02 07:37:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 07:37:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11328876261369563288.gal : 0 ms
[2025-06-02 07:37:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9137992497576440340.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/ReachabilityCardinality11328876261369563288.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9137992497576440340.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/ReachabilityCardinality9137992497576440340.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :81566 after 87530
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :87530 after 175736
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :175736 after 331071
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :331071 after 368726
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :368726 after 590828
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :590828 after 620486
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :620486 after 933646
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1000] Max Struct:[1003]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-11 in 60804 ms.
Starting property specific reduction for JoinFreeModules-PT-1000-UpperBounds-12
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:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:38:26] [INFO ] Computed 11 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1003]
RANDOM walk for 10642 steps (2 resets) in 10 ms. (967 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[129] Max Struct:[1003]
[2025-06-02 07:38:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:38:26] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2025-06-02 07:38:26] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-02 07:38:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:38:26] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:38:26] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-02 07:38:26] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:38:26] [INFO ] [Nat]Added 11 Read/Feed constraints in 2 ms returned sat
[2025-06-02 07:38:26] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 4 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:38:26] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
[2025-06-02 07:38:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
[2025-06-02 07:38:26] [INFO ] Added : 52 causal constraints over 11 iterations in 126 ms. Result :sat
Minimization took 128 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[129] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.1 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:38:29] [INFO ] Computed 1 invariants in 0 ms
[2025-06-02 07:38:29] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 179ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 179ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:38:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1001] Max Struct:[1003]
RANDOM walk for 1000045 steps (2 resets) in 110 ms. (9009 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 421 ms. (2369 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1001] Max Struct:[1003]
[2025-06-02 07:38:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:38:30] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-02 07:38:30] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 07:38:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:38:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-02 07:38:30] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:38:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:38:30] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:38:30] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-02 07:38:30] [INFO ] Added : 5 causal constraints over 2 iterations in 4 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1001] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1001] Max Struct:[1003]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:38:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:38:31] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-02 07:38:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:38:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:38:31] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:38:31] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:38:31] [INFO ] Invariant cache hit.
[2025-06-02 07:38:31] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 173ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 173ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 217 ms. Remains : 5/5 places, 8/8 transitions.
[2025-06-02 07:38:31] [INFO ] Flatten gal took : 1 ms
[2025-06-02 07:38:31] [INFO ] Flatten gal took : 0 ms
RANDOM walk for 41023 steps (8 resets) in 10 ms. (3729 steps per ms) remains 2/2 properties
[2025-06-02 07:38:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10863368360350730996.gal : 12 ms
[2025-06-02 07:38:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5968369290258447028.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/ReachabilityCardinality10863368360350730996.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5968369290258447028.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/ReachabilityCardinality5968369290258447028.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40003 steps (8 resets) in 70 ms. (563 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40003 steps (8 resets) in 50 ms. (784 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 834059 steps, run timeout after 3001 ms. (steps per millisecond=277 ) properties seen :0 out of 2
Probabilistic random walk after 834059 steps, saw 338481 distinct states, run finished after 3001 ms. (steps per millisecond=277 ) properties seen :0
[2025-06-02 07:38:34] [INFO ] Invariant cache hit.
[2025-06-02 07:38:34] [INFO ] State equation strengthened by 1 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:38:34] [INFO ] Deduced a trap composed of 3 places in 79 ms of which 7 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 1 solved, 1 unsolved in 181 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 1 solved, 1 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 250ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 199 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 07:38:35] [INFO ] Invariant cache hit.
[2025-06-02 07:38:35] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 208ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 208ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 209 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40554 steps (8 resets) in 8 ms. (4506 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3577188 steps, run timeout after 3001 ms. (steps per millisecond=1191 ) properties seen :0 out of 1
Probabilistic random walk after 3577188 steps, saw 1260054 distinct states, run finished after 3001 ms. (steps per millisecond=1191 ) properties seen :0
[2025-06-02 07:38:38] [INFO ] Invariant cache hit.
[2025-06-02 07:38:38] [INFO ] State equation strengthened by 1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 1 unsolved in 484 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 27 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 531ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 3338 steps, including 0 resets, run visited all 1 properties in 7 ms. (steps per millisecond=476 )
Parikh walk visited 1 properties in 10 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1001] Max Struct:[1003]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-12 in 12368 ms.
Starting property specific reduction for JoinFreeModules-PT-1000-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[1000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1000] Max Struct:[1003]
// Phase 1: matrix 88 rows 55 cols
[2025-06-02 07:38:38] [INFO ] Computed 11 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 10015 steps (2 resets) in 6 ms. (1430 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:38:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:38:38] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:38:38] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-02 07:38:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 07:38:38] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2025-06-02 07:38:38] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-02 07:38:38] [INFO ] State equation strengthened by 11 read => feed constraints.
[2025-06-02 07:38:38] [INFO ] [Nat]Added 11 Read/Feed constraints in 100 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:38:38] [INFO ] Deduced a trap composed of 3 places in 16 ms of which 1 ms to minimize.
[2025-06-02 07:38:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 274 ms
[2025-06-02 07:38:39] [INFO ] Computed and/alt/rep : 66/165/66 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-02 07:38:39] [INFO ] Added : 27 causal constraints over 6 iterations in 42 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 55 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 55/55 places, 88/88 transitions.
Graph (complete) has 132 edges and 55 vertex of which 5 are kept as prefixes of interest. Removing 50 places using SCC suffix rule.0 ms
Discarding 50 places :
Also discarding 80 output transitions
Drop transitions (Output transitions of discarded places.) removed 80 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /55 variables (removed 50) and now considering 8/88 (removed 80) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-02 07:38:41] [INFO ] Computed 1 invariants in 1 ms
[2025-06-02 07:38:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 198ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 198ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200 ms. Remains : 5/55 places, 8/88 transitions.
[2025-06-02 07:38:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1000] Max Struct:[1003]
RANDOM walk for 1000245 steps (2 resets) in 120 ms. (8266 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 396 ms. (2518 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1000] Max Struct:[1003]
[2025-06-02 07:38:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:38:42] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-02 07:38:42] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-02 07:38:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:38:42] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-02 07:38:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 07:38:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-02 07:38:42] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-02 07:38:42] [INFO ] [Nat]Added 1 Read/Feed constraints in 9 ms returned sat
[2025-06-02 07:38:42] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:38:42] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 1 ms to minimize.
[2025-06-02 07:38:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 35 ms
[2025-06-02 07:38:42] [INFO ] Added : 5 causal constraints over 2 iterations in 41 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1000] Max Struct:[1003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1000] Max Struct:[1003]
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:38:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:38:42] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-02 07:38:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:38:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:38:42] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:38:42] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:38:42] [INFO ] Invariant cache hit.
[2025-06-02 07:38:42] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 161ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 161ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 206 ms. Remains : 5/5 places, 8/8 transitions.
[2025-06-02 07:38:42] [INFO ] Flatten gal took : 2 ms
[2025-06-02 07:38:42] [INFO ] Flatten gal took : 3 ms
[2025-06-02 07:38:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11477796010847012190.gal : 1 ms
RANDOM walk for 40316 steps (8 resets) in 10 ms. (3665 steps per ms) remains 2/2 properties
[2025-06-02 07:38:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2434007473382709358.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/ReachabilityCardinality11477796010847012190.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2434007473382709358.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/ReachabilityCardinality2434007473382709358.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :76 after 246
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :246 after 851
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 2062995 steps, run timeout after 3001 ms. (steps per millisecond=687 ) properties seen :0 out of 2
Probabilistic random walk after 2062995 steps, saw 725363 distinct states, run finished after 3001 ms. (steps per millisecond=687 ) properties seen :0
[2025-06-02 07:38:45] [INFO ] Invariant cache hit.
[2025-06-02 07:38:45] [INFO ] State equation strengthened by 1 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, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:38:45] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 1 solved, 1 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 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: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 1 solved, 1 unsolved in 27 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 92ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Running 6 sub problems to find dead transitions.
[2025-06-02 07:38:45] [INFO ] Invariant cache hit.
[2025-06-02 07:38:45] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 144ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 144ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 40414 steps (8 resets) in 9 ms. (4041 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3525275 steps, run timeout after 3001 ms. (steps per millisecond=1174 ) properties seen :0 out of 1
Probabilistic random walk after 3525275 steps, saw 1242145 distinct states, run finished after 3002 ms. (steps per millisecond=1174 ) properties seen :0
[2025-06-02 07:38:48] [INFO ] Invariant cache hit.
[2025-06-02 07:38:48] [INFO ] State equation strengthened by 1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 07:38:48] [INFO ] Deduced a trap composed of 3 places in 16 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 8 constraints, problems are : Problem set: 0 solved, 1 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 8/13 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/13 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 1 unsolved in 27 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 43 ms.
Support contains 1 out of 5 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 5/5 places, 8/8 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5/5 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2025-06-02 07:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:38:49] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-02 07:38:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 07:38:49] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-02 07:38:49] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 07:38:49] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2025-06-02 07:38:49] [INFO ] Invariant cache hit.
[2025-06-02 07:38:49] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 6 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 1/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 8/13 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 6/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 0/13 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/13 variables, and 13 constraints, problems are : Problem set: 0 solved, 6 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 5/5 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 137ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 137ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-02 07:38:49] [INFO ] Flatten gal took : 0 ms
[2025-06-02 07:38:49] [INFO ] Applying decomposition
[2025-06-02 07:38:49] [INFO ] Flatten gal took : 1 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/graph2906213922419803211.txt' '-o' '/tmp/graph2906213922419803211.bin' '-w' '/tmp/graph2906213922419803211.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2906213922419803211.bin' '-l' '-1' '-v' '-w' '/tmp/graph2906213922419803211.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:38:49] [INFO ] Decomposing Gal with order
[2025-06-02 07:38:49] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:38:49] [INFO ] Flatten gal took : 2 ms
[2025-06-02 07:38:49] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 07:38:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8004051012936695478.gal : 0 ms
[2025-06-02 07:38:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16598252109636914711.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/ReachabilityCardinality8004051012936695478.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16598252109636914711.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/ReachabilityCardinality16598252109636914711.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 134
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :134 after 263
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :263 after 520
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :36884 after 76608
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :170808 after 172783
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :172783 after 328078
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :328078 after 365745
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :365745 after 365778
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :365778 after 579941
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :579941 after 922735
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :1.29622e+06 after 1.80885e+06
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1000] Max Struct:[1003]
Ending property specific reduction for JoinFreeModules-PT-1000-UpperBounds-15 in 60556 ms.
[2025-06-02 07:39:39] [INFO ] Flatten gal took : 6 ms
[2025-06-02 07:39:39] [INFO ] Applying decomposition
[2025-06-02 07:39:39] [INFO ] Flatten gal took : 4 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/graph1054335520466596982.txt' '-o' '/tmp/graph1054335520466596982.bin' '-w' '/tmp/graph1054335520466596982.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1054335520466596982.bin' '-l' '-1' '-v' '-w' '/tmp/graph1054335520466596982.weights' '-q' '0' '-e' '0.001'
[2025-06-02 07:39:39] [INFO ] Decomposing Gal with order
[2025-06-02 07:39:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-02 07:39:39] [INFO ] Flatten gal took : 4 ms
[2025-06-02 07:39:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-02 07:39:39] [INFO ] Time to serialize gal into /tmp/UpperBounds3034288528037526900.gal : 1 ms
[2025-06-02 07:39:39] [INFO ] Time to serialize properties into /tmp/UpperBounds1279493550042893224.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/UpperBounds3034288528037526900.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1279493550042893224.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 ...283
Loading property file /tmp/UpperBounds1279493550042893224.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,8.36514e+116,1116.92,7446656,13,7019,37,7.89631e+06,54,0,67,9.39558e+06,0
Total reachable state count : 8.365136205518829606158853330496726047287e+116

Verifying 7 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1000
Bounds property JoinFreeModules-PT-1000-UpperBounds-02 :0 <= u4.p3603 <= 1000
FORMULA JoinFreeModules-PT-1000-UpperBounds-02 1000 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-1000-UpperBounds-02,0,1123.46,7446656,1,0,67,7.89631e+06,120,12,1082,9.39558e+06,123
Min sum of variable value : 0
Maximum sum along a path : 1000
Bounds property JoinFreeModules-PT-1000-UpperBounds-04 :0 <= u6.p4208 <= 1000
FORMULA JoinFreeModules-PT-1000-UpperBounds-04 1000 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-1000-UpperBounds-04,0,1123.46,7446656,1,0,74,7.89631e+06,142,12,1082,9.39558e+06,139
Min sum of variable value : 0
Maximum sum along a path : 1001
Bounds property JoinFreeModules-PT-1000-UpperBounds-06 :0 <= u1.p1807 <= 1001
FORMULA JoinFreeModules-PT-1000-UpperBounds-06 1001 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-1000-UpperBounds-06,0,1137.38,7446656,1,0,86,7.89631e+06,163,12,2094,9.39558e+06,161
Min sum of variable value : 0
Maximum sum along a path : 1001
Bounds property JoinFreeModules-PT-1000-UpperBounds-10 :0 <= u10.p4997 <= 1001
FORMULA JoinFreeModules-PT-1000-UpperBounds-10 1001 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-1000-UpperBounds-10,0,1137.38,7446656,1,0,88,7.89631e+06,188,12,2094,9.39558e+06,172
Min sum of variable value : 0
Maximum sum along a path : 1000
Bounds property JoinFreeModules-PT-1000-UpperBounds-11 :0 <= u3.p3298 <= 1000
FORMULA JoinFreeModules-PT-1000-UpperBounds-11 1000 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-1000-UpperBounds-11,0,1137.38,7446656,1,0,97,7.89631e+06,204,12,2094,9.39558e+06,189
Min sum of variable value : 0
Maximum sum along a path : 1002
Bounds property JoinFreeModules-PT-1000-UpperBounds-12 :0 <= u2.p2844 <= 1002
FORMULA JoinFreeModules-PT-1000-UpperBounds-12 1002 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-1000-UpperBounds-12,0,1137.93,7446656,1,0,108,7.89631e+06,220,12,3102,9.39558e+06,209
Min sum of variable value : 0
Maximum sum along a path : 1000
Bounds property JoinFreeModules-PT-1000-UpperBounds-15 :0 <= u0.p1538 <= 1000
FORMULA JoinFreeModules-PT-1000-UpperBounds-15 1000 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
JoinFreeModules-PT-1000-UpperBounds-15,0,1137.93,7446656,1,0,119,7.89631e+06,234,12,3102,9.39558e+06,230
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 2168670 ms.

BK_STOP 1748851119078

--------------------
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="JoinFreeModules-PT-1000"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is JoinFreeModules-PT-1000, 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 r114-tall-174876422800469"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-1000.tgz
mv JoinFreeModules-PT-1000 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 ;