Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r175-smll-177961111800029.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is JoinFreeModules-PT-5000, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-177961111800029
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 17M
-rw-r--r-- 1 mcc users 7.1K Mar 7 16:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 7 16:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 16:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 16:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 11:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 11:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 11:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Mar 7 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 16:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 7 16:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 11:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:06 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 16M Mar 3 18:30 model.pnml

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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-5000-UpperBounds-00
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-01
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-02
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-03
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-04
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-05
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-06
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-07
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-08
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-09
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-10
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-11
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-12
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-13
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-14
FORMULA_NAME JoinFreeModules-PT-5000-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779742186451

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-5000
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 20:49:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 20:49:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:49:50] [INFO ] Load time of PNML (sax parser for PT used): 1401 ms
[2026-05-25 20:49:50] [INFO ] Transformed 25001 places.
[2026-05-25 20:49:50] [INFO ] Transformed 40001 transitions.
[2026-05-25 20:49:50] [INFO ] Parsed PT model containing 25001 places and 40001 transitions and 115002 arcs in 1754 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 21 ms.
Reduce places removed 1 places and 0 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[1, 2, 1, 5000, 2, 2, 2, 5000, 0, 1, 0, 5000, 0, 5000, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 2, 1, 5000, 2, 2, 2, 5000, 0, 1, 0, 5000, 0, 5000, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 40001 rows 25000 cols
[2026-05-25 20:49:51] [INFO ] Computed 5000 invariants in 331 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 2, 1, 5000, 2, 2, 2, 5000, 0, 1, 0, 5000, 0, 5000, 2, 2] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
RANDOM walk for 10005 steps (2 resets) in 2681 ms. (3 steps per ms)
BEST_FIRST walk for 160016 steps (0 resets) in 53723 ms. (2 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 2, 1, 5000, 2, 2, 2, 5000, 0, 1, 0, 5000, 0, 5000, 2, 2] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
[2026-05-25 20:50:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Current structural bounds on expressions (after SMT) : Max Seen:[1, 2, 1, 5000, 2, 2, 2, 5000, 0, 1, 0, 5000, 0, 5000, 2, 2] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 2, 1, 5000, 2, 2, 2, 5000, 0, 1, 0, 5000, 0, 5000, 2, 2] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
Support contains 16 out of 25000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25000/25000 places, 40001/40001 transitions.
Graph (complete) has 60000 edges and 25000 vertex of which 80 are kept as prefixes of interest. Removing 24920 places using SCC suffix rule.59 ms
Discarding 24920 places :
Also discarding 39872 output transitions
Drop transitions (Output transitions of discarded places.) removed 39872 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 222 ms. Remains 80 /25000 variables (removed 24920) and now considering 128/40001 (removed 39873) transitions.
Running 96 sub problems to find dead transitions.
// Phase 1: matrix 128 rows 80 cols
[2026-05-25 20:52:08] [INFO ] Computed 16 invariants in 1 ms
[2026-05-25 20:52:08] [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 5202 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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 20:52:17] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 11 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 17296 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 22573ms problems are : Problem set: 0 solved, 96 unsolved
Search for dead transitions found 0 dead transitions in 22590ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22835 ms. Remains : 80/25000 places, 128/40001 transitions.
[2026-05-25 20:52:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 2, 1, 5000, 2, 2, 2, 5000, 0, 1, 0, 5000, 0, 5000, 2, 2] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
RANDOM walk for 1001278 steps (2 resets) in 1238 ms. (808 steps per ms)
BEST_FIRST walk for 16000016 steps (32 resets) in 21952 ms. (728 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001, 4801, 5001, 5000, 4002, 4775, 3750, 5000, 5000, 5001, 5001, 5000, 5000, 5000, 3880, 4301] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
[2026-05-25 20:52:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:53] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 20:52:53] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-25 20:52:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:53] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:52:53] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 20:52:53] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-25 20:52:54] [INFO ] [Nat]Added 16 Read/Feed constraints in 316 ms returned sat
[2026-05-25 20:52:54] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 20:52:54] [INFO ] Added : 64 causal constraints over 15 iterations in 300 ms. Result :sat
Minimization took 50 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:54] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:52:54] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-25 20:52:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:54] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:52:55] [INFO ] [Nat]Absence check using state equation in 161 ms returned sat
[2026-05-25 20:52:55] [INFO ] [Nat]Added 16 Read/Feed constraints in 5 ms returned sat
[2026-05-25 20:52:55] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 20:52:55] [INFO ] Added : 66 causal constraints over 14 iterations in 230 ms. Result :sat
Minimization took 99 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:55] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 20:52:55] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 20:52:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:55] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:52:55] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-25 20:52:55] [INFO ] [Nat]Added 16 Read/Feed constraints in 4 ms returned sat
[2026-05-25 20:52:55] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 20:52:55] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 4 ms to minimize.
[2026-05-25 20:52:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2026-05-25 20:52:55] [INFO ] Added : 79 causal constraints over 17 iterations in 341 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:56] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:52:56] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 20:52:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:56] [INFO ] [Nat]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 20:52:56] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2026-05-25 20:52:56] [INFO ] [Nat]Added 16 Read/Feed constraints in 329 ms returned sat
[2026-05-25 20:52:56] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-25 20:52:56] [INFO ] Added : 55 causal constraints over 12 iterations in 270 ms. Result :sat
Minimization took 40 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:56] [INFO ] [Real]Absence check using 16 positive place invariants in 9 ms returned sat
[2026-05-25 20:52:57] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-25 20:52:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:57] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:52:57] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-25 20:52:57] [INFO ] [Nat]Added 16 Read/Feed constraints in 163 ms returned sat
[2026-05-25 20:52:57] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 14 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 20:52:57] [INFO ] Deduced a trap composed of 3 places in 42 ms of which 3 ms to minimize.
[2026-05-25 20:52:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2026-05-25 20:52:57] [INFO ] Added : 64 causal constraints over 13 iterations in 301 ms. Result :sat
Minimization took 294 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:57] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:52:58] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 20:52:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:58] [INFO ] [Nat]Absence check using 16 positive place invariants in 10 ms returned sat
[2026-05-25 20:52:58] [INFO ] [Nat]Absence check using state equation in 535 ms returned sat
[2026-05-25 20:52:58] [INFO ] [Nat]Added 16 Read/Feed constraints in 35 ms returned sat
[2026-05-25 20:52:58] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 20:52:58] [INFO ] Added : 42 causal constraints over 9 iterations in 218 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:58] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:52:59] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-25 20:52:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:59] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:52:59] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-25 20:52:59] [INFO ] [Nat]Added 16 Read/Feed constraints in 217 ms returned sat
[2026-05-25 20:52:59] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 20:52:59] [INFO ] Added : 54 causal constraints over 12 iterations in 179 ms. Result :sat
Minimization took 205 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:59] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:52:59] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-25 20:52:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:52:59] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:52:59] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-25 20:53:00] [INFO ] [Nat]Added 16 Read/Feed constraints in 140 ms returned sat
[2026-05-25 20:53:00] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 20:53:00] [INFO ] Added : 72 causal constraints over 16 iterations in 186 ms. Result :sat
Minimization took 44 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:00] [INFO ] [Real]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:53:00] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 20:53:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:00] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:53:00] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-25 20:53:00] [INFO ] [Nat]Added 16 Read/Feed constraints in 415 ms returned sat
[2026-05-25 20:53:00] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 20:53:01] [INFO ] Added : 51 causal constraints over 11 iterations in 223 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:01] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:53:01] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 20:53:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:01] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:53:01] [INFO ] [Nat]Absence check using state equation in 104 ms returned sat
[2026-05-25 20:53:01] [INFO ] [Nat]Added 16 Read/Feed constraints in 464 ms returned sat
[2026-05-25 20:53:02] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 20:53:02] [INFO ] Added : 48 causal constraints over 11 iterations in 227 ms. Result :sat
Minimization took 74 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:02] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:53:02] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 20:53:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:02] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:53:02] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-25 20:53:02] [INFO ] [Nat]Added 16 Read/Feed constraints in 321 ms returned sat
[2026-05-25 20:53:02] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 15 ms.
[2026-05-25 20:53:03] [INFO ] Added : 52 causal constraints over 12 iterations in 236 ms. Result :sat
Minimization took 232 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:03] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:53:03] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 20:53:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:03] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2026-05-25 20:53:03] [INFO ] [Nat]Absence check using state equation in 282 ms returned sat
[2026-05-25 20:53:03] [INFO ] [Nat]Added 16 Read/Feed constraints in 161 ms returned sat
[2026-05-25 20:53:03] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 20:53:03] [INFO ] Added : 29 causal constraints over 6 iterations in 100 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:04] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:53:04] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-25 20:53:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:04] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:53:04] [INFO ] [Nat]Absence check using state equation in 46 ms returned sat
[2026-05-25 20:53:04] [INFO ] [Nat]Added 16 Read/Feed constraints in 342 ms returned sat
[2026-05-25 20:53:04] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 20:53:04] [INFO ] Added : 45 causal constraints over 10 iterations in 121 ms. Result :sat
Minimization took 46 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:04] [INFO ] [Real]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:53:04] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 20:53:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:04] [INFO ] [Nat]Absence check using 16 positive place invariants in 5 ms returned sat
[2026-05-25 20:53:04] [INFO ] [Nat]Absence check using state equation in 129 ms returned sat
[2026-05-25 20:53:05] [INFO ] [Nat]Added 16 Read/Feed constraints in 144 ms returned sat
[2026-05-25 20:53:05] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 20:53:05] [INFO ] Added : 66 causal constraints over 14 iterations in 356 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:05] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:53:05] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 20:53:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:05] [INFO ] [Nat]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:53:05] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 20:53:05] [INFO ] [Nat]Added 16 Read/Feed constraints in 110 ms returned sat
[2026-05-25 20:53:05] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 20:53:06] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 20:53:06] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 3 ms to minimize.
[2026-05-25 20:53:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 95 ms
[2026-05-25 20:53:06] [INFO ] Added : 73 causal constraints over 17 iterations in 349 ms. Result :sat
Minimization took 238 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:06] [INFO ] [Real]Absence check using 16 positive place invariants in 6 ms returned sat
[2026-05-25 20:53:06] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 20:53:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 20:53:06] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2026-05-25 20:53:07] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2026-05-25 20:53:07] [INFO ] [Nat]Added 16 Read/Feed constraints in 5 ms returned sat
[2026-05-25 20:53:07] [INFO ] Computed and/alt/rep : 96/240/96 causal constraints (skipped 0 transitions) in 16 ms.
[2026-05-25 20:53:07] [INFO ] Added : 53 causal constraints over 11 iterations in 198 ms. Result :sat
Minimization took 71 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001, 4801, 5001, 5000, 4002, 4775, 3750, 5000, 5000, 5001, 5001, 5000, 5000, 5000, 3880, 4301] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
FORMULA JoinFreeModules-PT-5000-UpperBounds-10 5003 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001, 5002, 5001, 5000, 5002, 5002, 5002, 5000, 5000, 5001, 5000, 5000, 5000, 5002, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
Support contains 15 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 75 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 6 ms. Remains 75 /80 variables (removed 5) and now considering 120/128 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 75/80 places, 120/128 transitions.
// Phase 1: matrix 120 rows 75 cols
[2026-05-25 21:00:16] [INFO ] Computed 15 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5001, 5002, 5001, 5000, 5002, 5002, 5002, 5000, 5000, 5001, 5000, 5000, 5000, 5002, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
RANDOM walk for 1003180 steps (2 resets) in 925 ms. (1083 steps per ms)
BEST_FIRST walk for 15000015 steps (30 resets) in 19699 ms. (761 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001, 5002, 5001, 5000, 5002, 5002, 5002, 5000, 5001, 5001, 5000, 5000, 5000, 5002, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
[2026-05-25 21:00:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:37] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:37] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 21:00:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:37] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:37] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-25 21:00:37] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-25 21:00:37] [INFO ] [Nat]Added 15 Read/Feed constraints in 208 ms returned sat
[2026-05-25 21:00:37] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 13 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:37] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 3 ms to minimize.
[2026-05-25 21:00:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2026-05-25 21:00:38] [INFO ] Added : 51 causal constraints over 12 iterations in 318 ms. Result :sat
Minimization took 62 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:38] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:38] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-25 21:00:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:38] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 21:00:38] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-25 21:00:38] [INFO ] [Nat]Added 15 Read/Feed constraints in 6 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:38] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 4 ms to minimize.
[2026-05-25 21:00:38] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 44 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:38] [INFO ] [Real]Absence check using 15 positive place invariants in 9 ms returned sat
[2026-05-25 21:00:38] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2026-05-25 21:00:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:38] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:38] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-25 21:00:39] [INFO ] [Nat]Added 15 Read/Feed constraints in 560 ms returned sat
[2026-05-25 21:00:39] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 21:00:39] [INFO ] Added : 42 causal constraints over 10 iterations in 325 ms. Result :sat
Minimization took 71 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:39] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 21:00:39] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-25 21:00:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:39] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:39] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2026-05-25 21:00:40] [INFO ] [Nat]Added 15 Read/Feed constraints in 502 ms returned sat
[2026-05-25 21:00:40] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 21:00:40] [INFO ] Added : 50 causal constraints over 11 iterations in 305 ms. Result :sat
Minimization took 70 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:40] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:40] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 21:00:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:40] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:40] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-25 21:00:41] [INFO ] [Nat]Added 15 Read/Feed constraints in 173 ms returned sat
[2026-05-25 21:00:41] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 21:00:41] [INFO ] Added : 42 causal constraints over 9 iterations in 210 ms. Result :sat
Minimization took 43 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:41] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:41] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-25 21:00:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:41] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:41] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 21:00:41] [INFO ] [Nat]Added 15 Read/Feed constraints in 4 ms returned sat
[2026-05-25 21:00:41] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:41] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 4 ms to minimize.
[2026-05-25 21:00:41] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 43 ms
Minimization took 22 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:42] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:42] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-25 21:00:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:42] [INFO ] [Nat]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:42] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-25 21:00:42] [INFO ] [Nat]Added 15 Read/Feed constraints in 304 ms returned sat
[2026-05-25 21:00:42] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:42] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:42] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:42] [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
[2026-05-25 21:00:42] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 3 ms to minimize.
[2026-05-25 21:00:42] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 182 ms
[2026-05-25 21:00:42] [INFO ] Added : 46 causal constraints over 10 iterations in 414 ms. Result :sat
Minimization took 44 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:43] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:43] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-25 21:00:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:43] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:43] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-25 21:00:43] [INFO ] [Nat]Added 15 Read/Feed constraints in 240 ms returned sat
[2026-05-25 21:00:43] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 21:00:43] [INFO ] Added : 51 causal constraints over 12 iterations in 310 ms. Result :sat
Minimization took 60 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:43] [INFO ] [Real]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:00:43] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 21:00:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:44] [INFO ] [Nat]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 21:00:44] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 21:00:44] [INFO ] [Nat]Added 15 Read/Feed constraints in 530 ms returned sat
[2026-05-25 21:00:44] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 21:00:44] [INFO ] Added : 56 causal constraints over 13 iterations in 141 ms. Result :sat
Minimization took 38 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:44] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:44] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-25 21:00:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:44] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:00:45] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2026-05-25 21:00:45] [INFO ] [Nat]Added 15 Read/Feed constraints in 253 ms returned sat
[2026-05-25 21:00:45] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 21:00:45] [INFO ] Added : 47 causal constraints over 10 iterations in 179 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:45] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:45] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-25 21:00:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:45] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:45] [INFO ] [Nat]Absence check using state equation in 225 ms returned sat
[2026-05-25 21:00:46] [INFO ] [Nat]Added 15 Read/Feed constraints in 152 ms returned sat
[2026-05-25 21:00:46] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 9 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:46] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 3 ms to minimize.
[2026-05-25 21:00:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2026-05-25 21:00:46] [INFO ] Added : 35 causal constraints over 9 iterations in 188 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:46] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:46] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-25 21:00:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:46] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:00:46] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-25 21:00:46] [INFO ] [Nat]Added 15 Read/Feed constraints in 474 ms returned sat
[2026-05-25 21:00:46] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 14 ms.
[2026-05-25 21:00:47] [INFO ] Added : 48 causal constraints over 11 iterations in 199 ms. Result :sat
Minimization took 60 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:47] [INFO ] [Real]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:47] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-25 21:00:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:47] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:47] [INFO ] [Nat]Absence check using state equation in 51 ms returned sat
[2026-05-25 21:00:47] [INFO ] [Nat]Added 15 Read/Feed constraints in 208 ms returned sat
[2026-05-25 21:00:47] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 21:00:47] [INFO ] Added : 45 causal constraints over 10 iterations in 140 ms. Result :sat
Minimization took 37 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:47] [INFO ] [Real]Absence check using 15 positive place invariants in 8 ms returned sat
[2026-05-25 21:00:47] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2026-05-25 21:00:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:47] [INFO ] [Nat]Absence check using 15 positive place invariants in 5 ms returned sat
[2026-05-25 21:00:48] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:00:48] [INFO ] [Nat]Added 15 Read/Feed constraints in 5 ms returned sat
[2026-05-25 21:00:48] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 21:00:48] [INFO ] Added : 44 causal constraints over 11 iterations in 295 ms. Result :sat
Minimization took 29 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:48] [INFO ] [Real]Absence check using 15 positive place invariants in 7 ms returned sat
[2026-05-25 21:00:48] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-25 21:00:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:00:48] [INFO ] [Nat]Absence check using 15 positive place invariants in 6 ms returned sat
[2026-05-25 21:00:48] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-25 21:00:48] [INFO ] [Nat]Added 15 Read/Feed constraints in 4 ms returned sat
[2026-05-25 21:00:48] [INFO ] Computed and/alt/rep : 90/225/90 causal constraints (skipped 0 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:00:48] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
[2026-05-25 21:00:48] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 41 ms
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001, 5002, 5001, 5000, 5002, 5002, 5002, 5000, 5001, 5001, 5000, 5000, 5000, 5002, 5002] Max Struct:[5003, 5002, 5003, 5003, 5003, 5002, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5002]
FORMULA JoinFreeModules-PT-5000-UpperBounds-15 5002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-5000-UpperBounds-05 5002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA JoinFreeModules-PT-5000-UpperBounds-01 5002 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001, 5001, 5000, 5002, 5002, 5000, 5001, 5001, 5000, 5000, 5000, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
Support contains 12 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 120/120 transitions.
Graph (complete) has 180 edges and 75 vertex of which 60 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 5 ms. Remains 60 /75 variables (removed 15) and now considering 96/120 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 60/75 places, 96/120 transitions.
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:05:14] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5001, 5001, 5000, 5002, 5002, 5000, 5001, 5001, 5000, 5000, 5000, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
RANDOM walk for 1001265 steps (2 resets) in 1210 ms. (826 steps per ms)
BEST_FIRST walk for 12000012 steps (24 resets) in 14433 ms. (831 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001, 5001, 5000, 5002, 5002, 5000, 5001, 5001, 5000, 5000, 5000, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
[2026-05-25 21:05:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:30] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:30] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:05:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:30] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:05:30] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:05:30] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:05:31] [INFO ] [Nat]Added 12 Read/Feed constraints in 403 ms returned sat
[2026-05-25 21:05:31] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:05:31] [INFO ] Deduced a trap composed of 3 places in 37 ms of which 4 ms to minimize.
[2026-05-25 21:05:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2026-05-25 21:05:31] [INFO ] Added : 61 causal constraints over 13 iterations in 280 ms. Result :sat
Minimization took 62 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:31] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:31] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2026-05-25 21:05:31] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:31] [INFO ] [Nat]Absence check using 12 positive place invariants in 8 ms returned sat
[2026-05-25 21:05:31] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-25 21:05:31] [INFO ] [Nat]Added 12 Read/Feed constraints in 4 ms returned sat
[2026-05-25 21:05:31] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:05:32] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
[2026-05-25 21:05:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2026-05-25 21:05:32] [INFO ] Added : 48 causal constraints over 10 iterations in 252 ms. Result :sat
Minimization took 49 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:32] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:05:32] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-25 21:05:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:32] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:32] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:05:32] [INFO ] [Nat]Added 12 Read/Feed constraints in 431 ms returned sat
[2026-05-25 21:05:32] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 21:05:33] [INFO ] Added : 48 causal constraints over 11 iterations in 284 ms. Result :sat
Minimization took 46 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:33] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:05:33] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 21:05:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:33] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:05:33] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2026-05-25 21:05:33] [INFO ] [Nat]Added 12 Read/Feed constraints in 373 ms returned sat
[2026-05-25 21:05:33] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 21:05:33] [INFO ] Added : 41 causal constraints over 9 iterations in 142 ms. Result :sat
Minimization took 53 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:33] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:05:33] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:05:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:34] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:05:34] [INFO ] [Nat]Absence check using state equation in 95 ms returned sat
[2026-05-25 21:05:34] [INFO ] [Nat]Added 12 Read/Feed constraints in 171 ms returned sat
[2026-05-25 21:05:34] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 21:05:34] [INFO ] Added : 20 causal constraints over 5 iterations in 83 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:34] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:34] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 21:05:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:34] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:05:34] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2026-05-25 21:05:35] [INFO ] [Nat]Added 12 Read/Feed constraints in 546 ms returned sat
[2026-05-25 21:05:35] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:05:35] [INFO ] Added : 40 causal constraints over 11 iterations in 101 ms. Result :sat
Minimization took 30 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:35] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:05:35] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 21:05:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:35] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:35] [INFO ] [Nat]Absence check using state equation in 336 ms returned sat
[2026-05-25 21:05:36] [INFO ] [Nat]Added 12 Read/Feed constraints in 246 ms returned sat
[2026-05-25 21:05:36] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 21:05:36] [INFO ] Added : 31 causal constraints over 7 iterations in 173 ms. Result :sat
Minimization took 42 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:36] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:36] [INFO ] [Real]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:05:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:36] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:36] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2026-05-25 21:05:36] [INFO ] [Nat]Added 12 Read/Feed constraints in 120 ms returned sat
[2026-05-25 21:05:36] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 21:05:36] [INFO ] Added : 58 causal constraints over 13 iterations in 199 ms. Result :sat
Minimization took 63 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:36] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:05:36] [INFO ] [Real]Absence check using state equation in 56 ms returned sat
[2026-05-25 21:05:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:37] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:37] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2026-05-25 21:05:37] [INFO ] [Nat]Added 12 Read/Feed constraints in 369 ms returned sat
[2026-05-25 21:05:37] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 13 ms.
[2026-05-25 21:05:37] [INFO ] Added : 34 causal constraints over 7 iterations in 119 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:37] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:37] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2026-05-25 21:05:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:37] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:05:37] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-25 21:05:38] [INFO ] [Nat]Added 12 Read/Feed constraints in 551 ms returned sat
[2026-05-25 21:05:38] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 12 ms.
[2026-05-25 21:05:38] [INFO ] Added : 52 causal constraints over 12 iterations in 176 ms. Result :sat
Minimization took 48 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:38] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:38] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 21:05:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:38] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:38] [INFO ] [Nat]Absence check using state equation in 168 ms returned sat
[2026-05-25 21:05:39] [INFO ] [Nat]Added 12 Read/Feed constraints in 375 ms returned sat
[2026-05-25 21:05:39] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 21:05:39] [INFO ] Added : 34 causal constraints over 8 iterations in 246 ms. Result :sat
Minimization took 35 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:39] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:39] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 21:05:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:05:39] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:05:39] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2026-05-25 21:05:39] [INFO ] [Nat]Added 12 Read/Feed constraints in 4 ms returned sat
[2026-05-25 21:05:39] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 10 ms.
[2026-05-25 21:05:39] [INFO ] Added : 24 causal constraints over 5 iterations in 83 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001, 5001, 5000, 5002, 5002, 5000, 5001, 5001, 5000, 5000, 5000, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001, 5001, 5000, 5002, 5002, 5000, 5001, 5001, 5000, 5000, 5000, 5002] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003, 5003]
Support contains 12 out of 60 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 96/96 transitions.
Applied a total of 0 rules in 4 ms. Remains 60 /60 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 60/60 places, 96/96 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 60/60 places, 96/96 transitions.
Applied a total of 0 rules in 3 ms. Remains 60 /60 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2026-05-25 21:08:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:08:29] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-25 21:08:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:08:29] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:08:29] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:08:29] [INFO ] Redundant transitions in 2 ms returned []
Running 72 sub problems to find dead transitions.
[2026-05-25 21:08:29] [INFO ] Invariant cache hit.
[2026-05-25 21:08:29] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 12/60 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 96/156 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 12/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (OVERLAPS) 0/156 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 156/156 variables, and 84 constraints, problems are : Problem set: 0 solved, 72 unsolved in 3783 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 60/60 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (OVERLAPS) 12/60 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (OVERLAPS) 96/156 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/156 variables, 12/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 72/156 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 0/156 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 156/156 variables, and 156 constraints, problems are : Problem set: 0 solved, 72 unsolved in 15309 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 60/60 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19130ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 19132ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19311 ms. Remains : 60/60 places, 96/96 transitions.
RANDOM walk for 40016 steps (4 resets) in 112 ms. (354 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 48 ms. (81 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 34 ms. (114 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 30 ms. (129 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 26 ms. (148 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 39 ms. (100 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 31 ms. (125 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 33 ms. (117 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 32 ms. (121 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 24/24 properties
[2026-05-25 21:08:49] [INFO ] Flatten gal took : 66 ms
[2026-05-25 21:08:49] [INFO ] Flatten gal took : 33 ms
[2026-05-25 21:08:49] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6991599670223827449.gal : 17 ms
[2026-05-25 21:08:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5506833568413934879.prop : 8 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/ReachabilityCardinality6991599670223827449.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5506833568413934879.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/ReachabilityCardinality5506833568413934879.prop.
SDD proceeding with computation,24 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,24 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,24 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,24 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,24 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,24 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,24 properties remain. new max is 256
SDD size :3104 after 11747
Interrupted probabilistic random walk after 93786 steps, run timeout after 3001 ms. (steps per millisecond=31 ) properties seen :0 out of 24
Probabilistic random walk after 93786 steps, saw 88806 distinct states, run finished after 3007 ms. (steps per millisecond=31 ) properties seen :0
[2026-05-25 21:08:52] [INFO ] Invariant cache hit.
[2026-05-25 21:08:52] [INFO ] State equation strengthened by 12 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 48/60 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 24 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:08:52] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MIN3 is UNSAT
Problem MAX4 is UNSAT
Problem MIN4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX10 is UNSAT
Problem MAX11 is UNSAT
Problem MIN11 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 9/21 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/21 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 96/156 variables, 60/81 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/156 variables, 12/93 constraints. Problems are: Problem set: 12 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/156 variables, 0/93 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 0/156 variables, 0/93 constraints. Problems are: Problem set: 12 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 156/156 variables, and 93 constraints, problems are : Problem set: 12 solved, 12 unsolved in 858 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 60/60 constraints, ReadFeed: 12/12 constraints, PredecessorRefiner: 24/24 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 12 solved, 12 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 36/45 variables, 9/9 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 6/15 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 0/15 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 72/117 variables, 45/60 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 9/69 constraints. Problems are: Problem set: 12 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 12/81 constraints. Problems are: Problem set: 12 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 117/156 variables, and 81 constraints, problems are : Problem set: 12 solved, 12 unsolved in 5013 ms.
Refiners :[Positive P Invariants (semi-flows): 9/12 constraints, State Equation: 45/60 constraints, ReadFeed: 9/12 constraints, PredecessorRefiner: 12/24 constraints, Known Traps: 6/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5878ms problems are : Problem set: 12 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 9 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 45 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 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 4 ms. Remains 45 /60 variables (removed 15) and now considering 72/96 (removed 24) transitions.
Running 54 sub problems to find dead transitions.
// Phase 1: matrix 72 rows 45 cols
[2026-05-25 21:08:58] [INFO ] Computed 9 invariants in 1 ms
[2026-05-25 21:08:58] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 9/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 72/117 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 9/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (OVERLAPS) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Real declared 117/117 variables, and 63 constraints, problems are : Problem set: 0 solved, 54 unsolved in 2007 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 54 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 1 (OVERLAPS) 9/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 3 (OVERLAPS) 72/117 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 9/63 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 54/117 constraints. Problems are: Problem set: 0 solved, 54 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 54 unsolved
SDD proceeding with computation,24 properties remain. new max is 512
SDD size :11747 after 45500
At refinement iteration 7 (OVERLAPS) 0/117 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 54 unsolved
No progress, stopping.
After SMT solving in domain Int declared 117/117 variables, and 117 constraints, problems are : Problem set: 0 solved, 54 unsolved in 8839 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 54/54 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10859ms problems are : Problem set: 0 solved, 54 unsolved
Search for dead transitions found 0 dead transitions in 10860ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10865 ms. Remains : 45/60 places, 72/96 transitions.
RANDOM walk for 43352 steps (7 resets) in 69 ms. (619 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 95 ms. (416 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 90 ms. (439 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 122762 steps, run timeout after 3001 ms. (steps per millisecond=40 ) properties seen :0 out of 12
Probabilistic random walk after 122762 steps, saw 114219 distinct states, run finished after 3001 ms. (steps per millisecond=40 ) properties seen :0
[2026-05-25 21:09:12] [INFO ] Invariant cache hit.
[2026-05-25 21:09:12] [INFO ] State equation strengthened by 9 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 36/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 72/117 variables, 45/54 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/117 variables, 9/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/117 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 117/117 variables, and 63 constraints, problems are : Problem set: 0 solved, 12 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 36/45 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:12] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:12] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/45 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/45 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 72/117 variables, 45/56 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/117 variables, 9/65 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/117 variables, 12/77 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:17] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:18] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/117 variables, 2/79 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/117 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/117 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 117/117 variables, and 79 constraints, problems are : Problem set: 0 solved, 12 unsolved in 8098 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 45/45 constraints, ReadFeed: 9/9 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8422ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 3 different solutions.
Detected timeout of ITS tools.
[2026-05-25 21:09:39] [INFO ] Flatten gal took : 28 ms
[2026-05-25 21:09:39] [INFO ] Applying decomposition
[2026-05-25 21:09:39] [INFO ] Flatten gal took : 12 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/graph11865131940034000758.txt' '-o' '/tmp/graph11865131940034000758.bin' '-w' '/tmp/graph11865131940034000758.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11865131940034000758.bin' '-l' '-1' '-v' '-w' '/tmp/graph11865131940034000758.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:09:39] [INFO ] Decomposing Gal with order
[2026-05-25 21:09:39] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:09:39] [INFO ] Flatten gal took : 10 ms
[2026-05-25 21:09:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:09:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7414620357778588683.gal : 4 ms
[2026-05-25 21:09:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15063783160066559279.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/ReachabilityCardinality7414620357778588683.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15063783160066559279.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/ReachabilityCardinality15063783160066559279.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :8 after 25
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :25 after 76
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :76 after 246
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :246 after 851
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :851 after 3104
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :3104 after 11747
Parikh walk visited 3 properties in 30001 ms.
Support contains 8 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 72/72 transitions.
Graph (complete) has 108 edges and 45 vertex of which 40 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 3 ms. Remains 40 /45 variables (removed 5) and now considering 64/72 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 40/45 places, 64/72 transitions.
RANDOM walk for 42518 steps (7 resets) in 61 ms. (685 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 56 ms. (701 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 72 ms. (547 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 94 ms. (421 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 88 ms. (449 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 9/9 properties
Interrupted probabilistic random walk after 147768 steps, run timeout after 3001 ms. (steps per millisecond=49 ) properties seen :0 out of 9
Probabilistic random walk after 147768 steps, saw 135877 distinct states, run finished after 3001 ms. (steps per millisecond=49 ) properties seen :0
// Phase 1: matrix 64 rows 40 cols
[2026-05-25 21:09:54] [INFO ] Computed 8 invariants in 0 ms
[2026-05-25 21:09:54] [INFO ] State equation strengthened by 8 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 9 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, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/104 variables, 8/56 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 0/104 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 104/104 variables, and 56 constraints, problems are : Problem set: 0 solved, 9 unsolved in 199 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 32/40 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:54] [INFO ] Deduced a trap composed of 3 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:54] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:54] [INFO ] Deduced a trap composed of 3 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:54] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 2 ms to minimize.
Problem MAX1 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 4/12 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 64/104 variables, 40/52 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/104 variables, 8/60 constraints. Problems are: Problem set: 1 solved, 8 unsolved
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :11747 after 45500
At refinement iteration 6 (INCLUDED_ONLY) 0/104 variables, 8/68 constraints. Problems are: Problem set: 1 solved, 8 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:09:57] [INFO ] Deduced a trap composed of 3 places in 27 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/104 variables, 1/69 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 0/69 constraints. Problems are: Problem set: 1 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/104 variables, 0/69 constraints. Problems are: Problem set: 1 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 104/104 variables, and 69 constraints, problems are : Problem set: 1 solved, 8 unsolved in 27028 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 40/40 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 8/9 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 27233ms problems are : Problem set: 1 solved, 8 unsolved
Fused 8 Parikh solutions to 1 different solutions.
Detected timeout of ITS tools.
Parikh walk visited 1 properties in 30000 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.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 35 /40 variables (removed 5) and now considering 56/64 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 35/40 places, 56/64 transitions.
FORMULA JoinFreeModules-PT-5000-UpperBounds-14 5002 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-5000-UpperBounds-12 5003 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-5000-UpperBounds-08 5003 TECHNIQUES REACHABILITY_MAX
FORMULA JoinFreeModules-PT-5000-UpperBounds-06 5002 TECHNIQUES REACHABILITY_MIN
FORMULA JoinFreeModules-PT-5000-UpperBounds-04 5002 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 5 queries.) : Max Seen:[5001, 5001, 5000, 5000, 5001, 5000, 5000] Max Struct:[5003, 5003, 5003, 5003, 5003, 5003, 5003]
Starting property specific reduction for JoinFreeModules-PT-5000-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[5003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[5003]
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:10:51] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[5003]
RANDOM walk for 12506 steps (2 resets) in 10 ms. (1136 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:[130] Max Struct:[5003]
[2026-05-25 21:10:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:10:51] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-25 21:10:51] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:10:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:10:51] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:10:51] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:10:51] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:10:51] [INFO ] [Nat]Added 12 Read/Feed constraints in 188 ms returned sat
[2026-05-25 21:10:51] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 9 ms.
[2026-05-25 21:10:51] [INFO ] Added : 30 causal constraints over 8 iterations in 97 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[130] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001] Max Struct:[5003]
Support contains 1 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 5 are kept as prefixes of interest. Removing 55 places using SCC suffix rule.0 ms
Discarding 55 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /60 variables (removed 55) and now considering 8/96 (removed 88) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2026-05-25 21:11:02] [INFO ] Computed 1 invariants in 0 ms
[2026-05-25 21:11:02] [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 110 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 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 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 : 5/60 places, 8/96 transitions.
[2026-05-25 21:11:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5001] Max Struct:[5003]
RANDOM walk for 1001322 steps (2 resets) in 230 ms. (4334 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 416 ms. (2398 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001] Max Struct:[5003]
[2026-05-25 21:11:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:11:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:11:03] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 21:11:03] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:11:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:11:03] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 21:11:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:11:03] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:11:03] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 21:11:03] [INFO ] Added : 5 causal constraints over 2 iterations in 12 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001] Max Struct:[5003]
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.
[2026-05-25 21:11:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:11:03] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-25 21:11:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:11:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:11:03] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:11:03] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:11:03] [INFO ] Invariant cache hit.
[2026-05-25 21:11:03] [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 151 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 156 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 310ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 311ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 375 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:11:04] [INFO ] Flatten gal took : 9 ms
[2026-05-25 21:11:04] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 50523 steps (7 resets) in 44 ms. (1122 steps per ms) remains 2/2 properties
[2026-05-25 21:11:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14914229182936187184.gal : 2 ms
[2026-05-25 21:11:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6322396777505678896.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/ReachabilityCardinality14914229182936187184.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6322396777505678896.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/ReachabilityCardinality6322396777505678896.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
BEST_FIRST walk for 40004 steps (8 resets) in 61 ms. (645 steps per ms) remains 2/2 properties
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 67 ms. (588 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 741815 steps, run timeout after 3001 ms. (steps per millisecond=247 ) properties seen :0 out of 2
Probabilistic random walk after 741815 steps, saw 342348 distinct states, run finished after 3001 ms. (steps per millisecond=247 ) properties seen :0
[2026-05-25 21:11:07] [INFO ] Invariant cache hit.
[2026-05-25 21:11:07] [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
[2026-05-25 21:11:07] [INFO ] Deduced a trap composed of 3 places in 22 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
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 67 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 45 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 120ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 301 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.
[2026-05-25 21:11:07] [INFO ] Invariant cache hit.
[2026-05-25 21:11:07] [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 149 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 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 250ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 251ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 253 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 42773 steps (6 resets) in 17 ms. (2376 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3226469 steps, run timeout after 3001 ms. (steps per millisecond=1075 ) properties seen :0 out of 1
Probabilistic random walk after 3226469 steps, saw 1239661 distinct states, run finished after 3009 ms. (steps per millisecond=1072 ) properties seen :0
[2026-05-25 21:11:11] [INFO ] Invariant cache hit.
[2026-05-25 21:11:11] [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 55 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 59 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 121ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 542 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 2 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 2 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.
[2026-05-25 21:11:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:11:11] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-25 21:11:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:11:11] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:11:11] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:11:11] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:11:11] [INFO ] Invariant cache hit.
[2026-05-25 21:11:11] [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 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]
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 115 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 262ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 262ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 331 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 21:11:12] [INFO ] Flatten gal took : 2 ms
[2026-05-25 21:11:12] [INFO ] Applying decomposition
[2026-05-25 21:11:12] [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/graph6942180774670212512.txt' '-o' '/tmp/graph6942180774670212512.bin' '-w' '/tmp/graph6942180774670212512.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6942180774670212512.bin' '-l' '-1' '-v' '-w' '/tmp/graph6942180774670212512.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:11:12] [INFO ] Decomposing Gal with order
[2026-05-25 21:11:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:11:12] [INFO ] Flatten gal took : 197 ms
[2026-05-25 21:11:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 2 ms.
[2026-05-25 21:11:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6710103277540216662.gal : 2 ms
[2026-05-25 21:11:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12385629415672805003.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/ReachabilityCardinality6710103277540216662.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12385629415672805003.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/ReachabilityCardinality12385629415672805003.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 :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5001] Max Struct:[5003]
Ending property specific reduction for JoinFreeModules-PT-5000-UpperBounds-00 in 71042 ms.
Starting property specific reduction for JoinFreeModules-PT-5000-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[1] Max Struct:[5003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[5003]
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:12:02] [INFO ] Computed 12 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[5003]
RANDOM walk for 10003 steps (1 resets) in 9 ms. (1000 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[130] Max Struct:[5003]
[2026-05-25 21:12:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:12:02] [INFO ] [Real]Absence check using 12 positive place invariants in 8 ms returned sat
[2026-05-25 21:12:02] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 21:12:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:12:02] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:12:02] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2026-05-25 21:12:02] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:12:02] [INFO ] [Nat]Added 12 Read/Feed constraints in 249 ms returned sat
[2026-05-25 21:12:02] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:12:03] [INFO ] Added : 45 causal constraints over 10 iterations in 260 ms. Result :sat
Minimization took 62 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[130] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4999] Max Struct:[5003]
Support contains 1 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 5 are kept as prefixes of interest. Removing 55 places using SCC suffix rule.7 ms
Discarding 55 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 transitions
Applied a total of 1 rules in 8 ms. Remains 5 /60 variables (removed 55) and now considering 8/96 (removed 88) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2026-05-25 21:12:14] [INFO ] Computed 1 invariants in 0 ms
[2026-05-25 21:12:14] [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 108 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 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 225ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 226ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 234 ms. Remains : 5/60 places, 8/96 transitions.
[2026-05-25 21:12:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4999] Max Struct:[5003]
RANDOM walk for 1001960 steps (2 resets) in 137 ms. (7260 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 207 ms. (4807 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001] Max Struct:[5003]
[2026-05-25 21:12:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:12:15] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2026-05-25 21:12:15] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 21:12:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:12:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:12:15] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2026-05-25 21:12:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:12:15] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:12:15] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 0 ms.
[2026-05-25 21:12:15] [INFO ] Added : 5 causal constraints over 2 iterations in 7 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001] Max Struct:[5003]
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.
[2026-05-25 21:12:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:15] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 21:12:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:12:15] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:12:15] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:12:15] [INFO ] Invariant cache hit.
[2026-05-25 21:12:15] [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 116 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 156 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 275ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 277ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 333 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:12:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5001] Max Struct:[5003]
RANDOM walk for 1000514 steps (2 resets) in 228 ms. (4369 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 306 ms. (3257 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001] Max Struct:[5003]
[2026-05-25 21:12:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:12:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:12:16] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 21:12:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:12:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:12:16] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 21:12:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:12:16] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:12:16] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 21:12:16] [INFO ] Added : 5 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001] Max Struct:[5003]
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.
[2026-05-25 21:12:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:16] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-25 21:12:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:12:16] [INFO ] Implicit Places using invariants and state equation in 24 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
[2026-05-25 21:12:16] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:12:16] [INFO ] Invariant cache hit.
[2026-05-25 21:12:16] [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 124 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 251ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 252ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 310 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:12:17] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:12:17] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:12:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality348358461938987634.gal : 0 ms
[2026-05-25 21:12:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6309001446217916940.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/ReachabilityCardinality348358461938987634.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6309001446217916940.prop' '--nowitness' '--gen-order' 'FOLLOW'

RANDOM walk for 46480 steps (6 resets) in 12 ms. (3575 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 ...327
Loading property file /tmp/ReachabilityCardinality6309001446217916940.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 22 ms. (1739 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 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 773373 steps, run timeout after 3001 ms. (steps per millisecond=257 ) properties seen :0 out of 2
Probabilistic random walk after 773373 steps, saw 353191 distinct states, run finished after 3001 ms. (steps per millisecond=257 ) properties seen :0
[2026-05-25 21:12:20] [INFO ] Invariant cache hit.
[2026-05-25 21:12:20] [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
[2026-05-25 21:12:20] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 3 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 79 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 43 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 127ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 349 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.
[2026-05-25 21:12:20] [INFO ] Invariant cache hit.
[2026-05-25 21:12:20] [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 119 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 101 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 225ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 226ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 227 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 46359 steps (7 resets) in 11 ms. (3863 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 14 ms. (2666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3756352 steps, run timeout after 3001 ms. (steps per millisecond=1251 ) properties seen :0 out of 1
Probabilistic random walk after 3756352 steps, saw 1426551 distinct states, run finished after 3001 ms. (steps per millisecond=1251 ) properties seen :0
[2026-05-25 21:12:23] [INFO ] Invariant cache hit.
[2026-05-25 21:12:23] [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 50 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 48 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 112ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 381 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.
[2026-05-25 21:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:24] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-25 21:12:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:12:24] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:12:24] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:12:24] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:12:24] [INFO ] Invariant cache hit.
[2026-05-25 21:12:24] [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 134 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 137 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 275ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 275ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 347 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 21:12:24] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:12:24] [INFO ] Applying decomposition
[2026-05-25 21:12:24] [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/graph5290864278916230638.txt' '-o' '/tmp/graph5290864278916230638.bin' '-w' '/tmp/graph5290864278916230638.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5290864278916230638.bin' '-l' '-1' '-v' '-w' '/tmp/graph5290864278916230638.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:12:24] [INFO ] Decomposing Gal with order
[2026-05-25 21:12:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:12:24] [INFO ] Flatten gal took : 2 ms
[2026-05-25 21:12:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:12:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4036936804109374682.gal : 0 ms
[2026-05-25 21:12:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10175938897001953831.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/ReachabilityCardinality4036936804109374682.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10175938897001953831.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/ReachabilityCardinality10175938897001953831.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 :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5001] Max Struct:[5003]
Ending property specific reduction for JoinFreeModules-PT-5000-UpperBounds-02 in 72487 ms.
Starting property specific reduction for JoinFreeModules-PT-5000-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[5000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (Before main loop) : Max Seen:[5000] Max Struct:[5003]
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:13:14] [INFO ] Computed 12 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 10005 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:13:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:13:14] [INFO ] [Real]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:13:14] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2026-05-25 21:13:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:13:15] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:13:15] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:13:15] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:13:15] [INFO ] [Nat]Added 12 Read/Feed constraints in 289 ms returned sat
[2026-05-25 21:13:15] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 21:13:15] [INFO ] Added : 48 causal constraints over 11 iterations in 259 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
Support contains 1 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 5 are kept as prefixes of interest. Removing 55 places using SCC suffix rule.0 ms
Discarding 55 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /60 variables (removed 55) and now considering 8/96 (removed 88) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2026-05-25 21:13:26] [INFO ] Computed 1 invariants in 0 ms
[2026-05-25 21:13:26] [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 118 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 103 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 230ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 230ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 231 ms. Remains : 5/60 places, 8/96 transitions.
[2026-05-25 21:13:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 1000906 steps (2 resets) in 132 ms. (7525 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 246 ms. (4048 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:13:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:13:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:13:27] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 21:13:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:13:27] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:13:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:13:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:13:27] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2026-05-25 21:13:27] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 21:13:27] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 2 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:27] [INFO ] Deduced a trap composed of 3 places in 26 ms of which 3 ms to minimize.
[2026-05-25 21:13:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 31 ms
[2026-05-25 21:13:27] [INFO ] Added : 5 causal constraints over 2 iterations in 43 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
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.
[2026-05-25 21:13:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:13:27] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-25 21:13:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:13:27] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:13:27] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:13:27] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:13:27] [INFO ] Invariant cache hit.
[2026-05-25 21:13:27] [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 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 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 110 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 220ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 220ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 269 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 43609 steps (7 resets) in 15 ms. (2725 steps per ms) remains 2/2 properties
[2026-05-25 21:13:27] [INFO ] Flatten gal took : 3 ms
[2026-05-25 21:13:27] [INFO ] Flatten gal took : 4 ms
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
[2026-05-25 21:13:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17921732335037233006.gal : 1 ms
[2026-05-25 21:13:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4967157453410170961.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/ReachabilityCardinality17921732335037233006.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4967157453410170961.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/ReachabilityCardinality4967157453410170961.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 45 ms. (869 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 623591 steps, run timeout after 3001 ms. (steps per millisecond=207 ) properties seen :0 out of 2
Probabilistic random walk after 623591 steps, saw 297712 distinct states, run finished after 3001 ms. (steps per millisecond=207 ) properties seen :0
[2026-05-25 21:13:30] [INFO ] Invariant cache hit.
[2026-05-25 21:13:30] [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
[2026-05-25 21:13:30] [INFO ] Deduced a trap composed of 3 places in 30 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 66 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 37 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 107ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 20 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.
[2026-05-25 21:13:30] [INFO ] Invariant cache hit.
[2026-05-25 21:13:30] [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 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]
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 186ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 186ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 190 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 49981 steps (8 resets) in 13 ms. (3570 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 16 ms. (2353 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3826578 steps, run timeout after 3001 ms. (steps per millisecond=1275 ) properties seen :0 out of 1
Probabilistic random walk after 3826578 steps, saw 1450350 distinct states, run finished after 3001 ms. (steps per millisecond=1275 ) properties seen :0
[2026-05-25 21:13:34] [INFO ] Invariant cache hit.
[2026-05-25 21:13:34] [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
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 21:13:34] [INFO ] Deduced a trap composed of 3 places in 23 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 70 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 59 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 134ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 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.
[2026-05-25 21:13:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:13:34] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 21:13:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:13:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:13:34] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:13:34] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:13:34] [INFO ] Invariant cache hit.
[2026-05-25 21:13:34] [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 123 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 239ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 297 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 21:13:34] [INFO ] Flatten gal took : 2 ms
[2026-05-25 21:13:34] [INFO ] Applying decomposition
[2026-05-25 21:13:34] [INFO ] Flatten gal took : 2 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/graph16521320782503387409.txt' '-o' '/tmp/graph16521320782503387409.bin' '-w' '/tmp/graph16521320782503387409.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16521320782503387409.bin' '-l' '-1' '-v' '-w' '/tmp/graph16521320782503387409.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:13:34] [INFO ] Decomposing Gal with order
[2026-05-25 21:13:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:13:34] [INFO ] Flatten gal took : 2 ms
[2026-05-25 21:13:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:13:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9409363912192326589.gal : 0 ms
[2026-05-25 21:13:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4223651562476313053.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/ReachabilityCardinality9409363912192326589.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4223651562476313053.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/ReachabilityCardinality4223651562476313053.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 :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5000] Max Struct:[5003]
Ending property specific reduction for JoinFreeModules-PT-5000-UpperBounds-03 in 69704 ms.
Starting property specific reduction for JoinFreeModules-PT-5000-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[5000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (Before main loop) : Max Seen:[5000] Max Struct:[5003]
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:14:24] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 10005 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:14:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:14:24] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:14:24] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-25 21:14:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:14:24] [INFO ] [Nat]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:14:24] [INFO ] [Nat]Absence check using state equation in 52 ms returned sat
[2026-05-25 21:14:24] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:14:25] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 21:14:25] [INFO ] [Nat]Added 12 Read/Feed constraints in 564 ms returned sat
[2026-05-25 21:14:25] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 11 ms.
[2026-05-25 21:14:25] [INFO ] Added : 40 causal constraints over 9 iterations in 139 ms. Result :sat
Minimization took 61 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
Support contains 1 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 5 are kept as prefixes of interest. Removing 55 places using SCC suffix rule.0 ms
Discarding 55 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /60 variables (removed 55) and now considering 8/96 (removed 88) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2026-05-25 21:14:35] [INFO ] Computed 1 invariants in 0 ms
[2026-05-25 21:14:35] [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 95 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 91 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 191ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 5/60 places, 8/96 transitions.
[2026-05-25 21:14:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 1000405 steps (2 resets) in 130 ms. (7636 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 255 ms. (3906 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:14:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:14:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:14:35] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 21:14:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:14:35] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:14:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:14:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 21:14:35] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 21:14:35] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 21:14:35] [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
[2026-05-25 21:14:35] [INFO ] Deduced a trap composed of 3 places in 20 ms of which 2 ms to minimize.
[2026-05-25 21:14:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 24 ms
[2026-05-25 21:14:35] [INFO ] Added : 5 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
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 29 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 29 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.
[2026-05-25 21:14:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:14:35] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-25 21:14:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:14:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:14:35] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:14:35] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:14:35] [INFO ] Invariant cache hit.
[2026-05-25 21:14:35] [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 125 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 130 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 259ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 259ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 311 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:14:36] [INFO ] Flatten gal took : 2 ms
[2026-05-25 21:14:36] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:14:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8123211451855852152.gal : 0 ms
RANDOM walk for 43736 steps (8 resets) in 17 ms. (2429 steps per ms) remains 2/2 properties
[2026-05-25 21:14:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17665454931808518610.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/ReachabilityCardinality8123211451855852152.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17665454931808518610.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/ReachabilityCardinality17665454931808518610.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 27 ms. (1428 steps per ms) remains 2/2 properties
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 40 ms. (975 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 685853 steps, run timeout after 3001 ms. (steps per millisecond=228 ) properties seen :0 out of 2
Probabilistic random walk after 685853 steps, saw 321433 distinct states, run finished after 3001 ms. (steps per millisecond=228 ) properties seen :0
[2026-05-25 21:14:39] [INFO ] Invariant cache hit.
[2026-05-25 21:14:39] [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
[2026-05-25 21:14:39] [INFO ] Deduced a trap composed of 3 places in 32 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 65 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 36 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 104ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 19 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.
[2026-05-25 21:14:39] [INFO ] Invariant cache hit.
[2026-05-25 21:14:39] [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 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 178ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 47522 steps (7 resets) in 10 ms. (4320 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3675169 steps, run timeout after 3001 ms. (steps per millisecond=1224 ) properties seen :0 out of 1
Probabilistic random walk after 3675169 steps, saw 1398234 distinct states, run finished after 3001 ms. (steps per millisecond=1224 ) properties seen :0
[2026-05-25 21:14:42] [INFO ] Invariant cache hit.
[2026-05-25 21:14:42] [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
[2026-05-25 21:14:42] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 3 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 77 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 133ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 20 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.
[2026-05-25 21:14:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:14:42] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-25 21:14:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:14:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:14:42] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:14:42] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:14:42] [INFO ] Invariant cache hit.
[2026-05-25 21:14:42] [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 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]
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 114 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 229ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 230ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 302 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 21:14:43] [INFO ] Flatten gal took : 2 ms
[2026-05-25 21:14:43] [INFO ] Applying decomposition
[2026-05-25 21:14:43] [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/graph16037781733716288288.txt' '-o' '/tmp/graph16037781733716288288.bin' '-w' '/tmp/graph16037781733716288288.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16037781733716288288.bin' '-l' '-1' '-v' '-w' '/tmp/graph16037781733716288288.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:14:43] [INFO ] Decomposing Gal with order
[2026-05-25 21:14:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:14:43] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:14:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:14:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8027950748526514415.gal : 1 ms
[2026-05-25 21:14:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13771159907814099083.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/ReachabilityCardinality8027950748526514415.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13771159907814099083.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/ReachabilityCardinality13771159907814099083.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 :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5000] Max Struct:[5003]
Ending property specific reduction for JoinFreeModules-PT-5000-UpperBounds-07 in 68574 ms.
Starting property specific reduction for JoinFreeModules-PT-5000-UpperBounds-09
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:[5003]
Current structural bounds on expressions (Before main loop) : Max Seen:[1] Max Struct:[5003]
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:15:33] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[5003]
RANDOM walk for 10003 steps (1 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 14 ms. (666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[130] Max Struct:[5003]
[2026-05-25 21:15:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:15:33] [INFO ] [Real]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-25 21:15:33] [INFO ] [Real]Absence check using state equation in 51 ms returned sat
[2026-05-25 21:15:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:15:33] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:15:33] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2026-05-25 21:15:33] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:15:33] [INFO ] [Nat]Added 12 Read/Feed constraints in 3 ms returned sat
[2026-05-25 21:15:33] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 8 ms.
[2026-05-25 21:15:33] [INFO ] Added : 53 causal constraints over 11 iterations in 106 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[130] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4999] Max Struct:[5003]
Support contains 1 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 5 are kept as prefixes of interest. Removing 55 places using SCC suffix rule.0 ms
Discarding 55 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 transitions
Applied a total of 1 rules in 1 ms. Remains 5 /60 variables (removed 55) and now considering 8/96 (removed 88) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2026-05-25 21:15:45] [INFO ] Computed 1 invariants in 0 ms
[2026-05-25 21:15:45] [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 91 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 218ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 218ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 220 ms. Remains : 5/60 places, 8/96 transitions.
[2026-05-25 21:15:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4999] Max Struct:[5003]
RANDOM walk for 1000443 steps (2 resets) in 227 ms. (4387 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 287 ms. (3472 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001] Max Struct:[5003]
[2026-05-25 21:15:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:15:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:15:46] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 21:15:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:15:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:15:46] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 21:15:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:15:46] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:15:46] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 21:15:46] [INFO ] Added : 5 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001] Max Struct:[5003]
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.
[2026-05-25 21:15:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:15:46] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 21:15:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:15:46] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:15:46] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:15:46] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:15:46] [INFO ] Invariant cache hit.
[2026-05-25 21:15:46] [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 85 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 139 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 256ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 257ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 320 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:15:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5001] Max Struct:[5003]
RANDOM walk for 1000331 steps (2 resets) in 226 ms. (4406 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 293 ms. (3401 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5001] Max Struct:[5003]
[2026-05-25 21:15:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:15:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:15:47] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 21:15:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:15:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:15:47] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 21:15:47] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:15:47] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:15:47] [INFO ] Computed and/alt/rep : 6/15/6 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 21:15:47] [INFO ] Added : 5 causal constraints over 2 iterations in 10 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5001] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5001] Max Struct:[5003]
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.
[2026-05-25 21:15:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:15:48] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-25 21:15:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:15:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:15:48] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:15:48] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:15:48] [INFO ] Invariant cache hit.
[2026-05-25 21:15:48] [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 139 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 148 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 319ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 319ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 422 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:15:48] [INFO ] Flatten gal took : 5 ms
RANDOM walk for 45850 steps (6 resets) in 17 ms. (2547 steps per ms) remains 2/2 properties
[2026-05-25 21:15:48] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:15:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8529205250020326736.gal : 1 ms
[2026-05-25 21:15:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5182755648994574931.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/ReachabilityCardinality8529205250020326736.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5182755648994574931.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/ReachabilityCardinality5182755648994574931.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
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
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
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 584920 steps, run timeout after 3001 ms. (steps per millisecond=194 ) properties seen :0 out of 2
Probabilistic random walk after 584920 steps, saw 283265 distinct states, run finished after 3001 ms. (steps per millisecond=194 ) properties seen :0
[2026-05-25 21:15:51] [INFO ] Invariant cache hit.
[2026-05-25 21:15:51] [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
[2026-05-25 21:15:51] [INFO ] Deduced a trap composed of 3 places in 20 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
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 64 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 34 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 102ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 293 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.
[2026-05-25 21:15:52] [INFO ] Invariant cache hit.
[2026-05-25 21:15:52] [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 86 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 188ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 190 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 49147 steps (7 resets) in 10 ms. (4467 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 13 ms. (2857 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3564663 steps, run timeout after 3001 ms. (steps per millisecond=1187 ) properties seen :0 out of 1
Probabilistic random walk after 3564663 steps, saw 1358385 distinct states, run finished after 3001 ms. (steps per millisecond=1187 ) properties seen :0
[2026-05-25 21:15:55] [INFO ] Invariant cache hit.
[2026-05-25 21:15:55] [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 31 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 39 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 73ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 385 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.
[2026-05-25 21:15:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:15:55] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 21:15:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:15:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:15:55] [INFO ] Implicit Places using invariants and state equation in 24 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
[2026-05-25 21:15:55] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:15:55] [INFO ] Invariant cache hit.
[2026-05-25 21:15:55] [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 92 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 82 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 176ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 176ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 21:15:55] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:15:55] [INFO ] Applying decomposition
[2026-05-25 21:15:55] [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/graph2045186691419658488.txt' '-o' '/tmp/graph2045186691419658488.bin' '-w' '/tmp/graph2045186691419658488.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2045186691419658488.bin' '-l' '-1' '-v' '-w' '/tmp/graph2045186691419658488.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:15:55] [INFO ] Decomposing Gal with order
[2026-05-25 21:15:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:15:55] [INFO ] Flatten gal took : 2 ms
[2026-05-25 21:15:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:15:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10506458494970310727.gal : 0 ms
[2026-05-25 21:15:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12592262623403373059.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/ReachabilityCardinality10506458494970310727.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12592262623403373059.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/ReachabilityCardinality12592262623403373059.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 :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5001] Max Struct:[5003]
Ending property specific reduction for JoinFreeModules-PT-5000-UpperBounds-09 in 72880 ms.
Starting property specific reduction for JoinFreeModules-PT-5000-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[5000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (Before main loop) : Max Seen:[5000] Max Struct:[5003]
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:16:46] [INFO ] Computed 12 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 10005 steps (2 resets) in 8 ms. (1111 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:16:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:16:46] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:16:46] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 21:16:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:16:46] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:16:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-25 21:16:46] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:16:46] [INFO ] [Nat]Added 12 Read/Feed constraints in 219 ms returned sat
[2026-05-25 21:16:46] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 21:16:46] [INFO ] Added : 34 causal constraints over 7 iterations in 90 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
Support contains 1 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 5 are kept as prefixes of interest. Removing 55 places using SCC suffix rule.0 ms
Discarding 55 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /60 variables (removed 55) and now considering 8/96 (removed 88) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2026-05-25 21:16:56] [INFO ] Computed 1 invariants in 0 ms
[2026-05-25 21:16:56] [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 102 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 89 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 195ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 197ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 203 ms. Remains : 5/60 places, 8/96 transitions.
[2026-05-25 21:16:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 1000559 steps (2 resets) in 130 ms. (7637 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 172 ms. (5780 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:16:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:16:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:16:56] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 21:16:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:16:56] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:16:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:16:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:16:56] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 21:16:56] [INFO ] [Nat]Added 1 Read/Feed constraints in 2 ms returned sat
[2026-05-25 21:16:56] [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
[2026-05-25 21:16:56] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
[2026-05-25 21:16:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2026-05-25 21:16:56] [INFO ] Added : 5 causal constraints over 2 iterations in 63 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
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 2 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 2 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.
[2026-05-25 21:16:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:16:56] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-25 21:16:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:16:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:16:57] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 21:16:57] [INFO ] Redundant transitions in 1 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:16:57] [INFO ] Invariant cache hit.
[2026-05-25 21:16:57] [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 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]
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 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 247ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 248ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 309 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:16:57] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 44942 steps (8 resets) in 14 ms. (2996 steps per ms) remains 2/2 properties
[2026-05-25 21:16:57] [INFO ] Flatten gal took : 4 ms
[2026-05-25 21:16:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17125824053774199217.gal : 0 ms
[2026-05-25 21:16:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4708161441541043643.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/ReachabilityCardinality17125824053774199217.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4708161441541043643.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/ReachabilityCardinality4708161441541043643.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 31 ms. (1250 steps per ms) remains 2/2 properties
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 26 ms. (1481 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 642358 steps, run timeout after 3001 ms. (steps per millisecond=214 ) properties seen :0 out of 2
Probabilistic random walk after 642358 steps, saw 305154 distinct states, run finished after 3001 ms. (steps per millisecond=214 ) properties seen :0
[2026-05-25 21:17:00] [INFO ] Invariant cache hit.
[2026-05-25 21:17:00] [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
[2026-05-25 21:17:00] [INFO ] Deduced a trap composed of 3 places in 27 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 68 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 44 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 120ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 19 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.
[2026-05-25 21:17:00] [INFO ] Invariant cache hit.
[2026-05-25 21:17:00] [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 81 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 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 191ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 191 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 43313 steps (7 resets) in 11 ms. (3609 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2954060 steps, run timeout after 3001 ms. (steps per millisecond=984 ) properties seen :0 out of 1
Probabilistic random walk after 2954060 steps, saw 1144106 distinct states, run finished after 3004 ms. (steps per millisecond=983 ) properties seen :0
[2026-05-25 21:17:03] [INFO ] Invariant cache hit.
[2026-05-25 21:17:03] [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
[2026-05-25 21:17:03] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 3 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 54 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 39 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 101ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 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.
[2026-05-25 21:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:17:03] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-25 21:17:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:17:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:17:03] [INFO ] Implicit Places using invariants and state equation in 23 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
[2026-05-25 21:17:03] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:17:03] [INFO ] Invariant cache hit.
[2026-05-25 21:17:03] [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 91 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 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 182ms 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.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 21:17:04] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:17:04] [INFO ] Applying decomposition
[2026-05-25 21:17:04] [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/graph10770230349122389289.txt' '-o' '/tmp/graph10770230349122389289.bin' '-w' '/tmp/graph10770230349122389289.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10770230349122389289.bin' '-l' '-1' '-v' '-w' '/tmp/graph10770230349122389289.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:17:04] [INFO ] Decomposing Gal with order
[2026-05-25 21:17:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:17:04] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:17:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:17:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12354286024537491605.gal : 0 ms
[2026-05-25 21:17:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15782689098505187734.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/ReachabilityCardinality12354286024537491605.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15782689098505187734.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/ReachabilityCardinality15782689098505187734.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 :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5000] Max Struct:[5003]
Ending property specific reduction for JoinFreeModules-PT-5000-UpperBounds-11 in 68083 ms.
Starting property specific reduction for JoinFreeModules-PT-5000-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[5000] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (Before main loop) : Max Seen:[5000] Max Struct:[5003]
// Phase 1: matrix 96 rows 60 cols
[2026-05-25 21:17:54] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 10004 steps (1 resets) in 8 ms. (1111 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:17:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:17:54] [INFO ] [Real]Absence check using 12 positive place invariants in 6 ms returned sat
[2026-05-25 21:17:54] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2026-05-25 21:17:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 21:17:54] [INFO ] [Nat]Absence check using 12 positive place invariants in 4 ms returned sat
[2026-05-25 21:17:54] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2026-05-25 21:17:54] [INFO ] State equation strengthened by 12 read => feed constraints.
[2026-05-25 21:17:54] [INFO ] [Nat]Added 12 Read/Feed constraints in 285 ms returned sat
[2026-05-25 21:17:54] [INFO ] Computed and/alt/rep : 72/180/72 causal constraints (skipped 0 transitions) in 6 ms.
[2026-05-25 21:17:54] [INFO ] Added : 34 causal constraints over 8 iterations in 192 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
Support contains 1 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 5 are kept as prefixes of interest. Removing 55 places using SCC suffix rule.1 ms
Discarding 55 places :
Also discarding 88 output transitions
Drop transitions (Output transitions of discarded places.) removed 88 transitions
Applied a total of 1 rules in 2 ms. Remains 5 /60 variables (removed 55) and now considering 8/96 (removed 88) transitions.
Running 6 sub problems to find dead transitions.
// Phase 1: matrix 8 rows 5 cols
[2026-05-25 21:18:05] [INFO ] Computed 1 invariants in 0 ms
[2026-05-25 21:18:05] [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 98 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 191ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 191ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 5/60 places, 8/96 transitions.
[2026-05-25 21:18:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5000] Max Struct:[5003]
RANDOM walk for 1000571 steps (2 resets) in 133 ms. (7466 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 173 ms. (5747 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5000] Max Struct:[5003]
[2026-05-25 21:18:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:18:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:18:05] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2026-05-25 21:18:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:18:05] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:18:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 21:18:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 21:18:05] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2026-05-25 21:18:05] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2026-05-25 21:18:05] [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
[2026-05-25 21:18:05] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 3 ms to minimize.
[2026-05-25 21:18:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2026-05-25 21:18:05] [INFO ] Added : 5 causal constraints over 2 iterations in 47 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5000] Max Struct:[5003]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5000] Max Struct:[5003]
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.
[2026-05-25 21:18:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:18:05] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-25 21:18:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:18:05] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:18:05] [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
[2026-05-25 21:18:05] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:18:05] [INFO ] Invariant cache hit.
[2026-05-25 21:18:05] [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 114 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 91 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 207ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 207ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 256 ms. Remains : 5/5 places, 8/8 transitions.
[2026-05-25 21:18:05] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:18:05] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:18:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17144675992648522720.gal : 1 ms
RANDOM walk for 44277 steps (8 resets) in 15 ms. (2767 steps per ms) remains 2/2 properties
[2026-05-25 21:18:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15834565633901536532.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/ReachabilityCardinality17144675992648522720.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15834565633901536532.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/ReachabilityCardinality15834565633901536532.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 56 ms. (701 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 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 725307 steps, run timeout after 3001 ms. (steps per millisecond=241 ) properties seen :0 out of 2
Probabilistic random walk after 725307 steps, saw 336073 distinct states, run finished after 3001 ms. (steps per millisecond=241 ) properties seen :0
[2026-05-25 21:18:08] [INFO ] Invariant cache hit.
[2026-05-25 21:18:08] [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
[2026-05-25 21:18:09] [INFO ] Deduced a trap composed of 3 places in 29 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 73 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 39 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 123ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 17 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.
[2026-05-25 21:18:09] [INFO ] Invariant cache hit.
[2026-05-25 21:18:09] [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 86 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 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 177 ms. Remains : 5/5 places, 8/8 transitions.
RANDOM walk for 45694 steps (8 resets) in 13 ms. (3263 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 17 ms. (2222 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3247205 steps, run timeout after 3001 ms. (steps per millisecond=1082 ) properties seen :0 out of 1
Probabilistic random walk after 3247205 steps, saw 1247586 distinct states, run finished after 3001 ms. (steps per millisecond=1082 ) properties seen :0
[2026-05-25 21:18:12] [INFO ] Invariant cache hit.
[2026-05-25 21:18:12] [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
[2026-05-25 21:18:12] [INFO ] Deduced a trap composed of 3 places in 21 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 56 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 39 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 101ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 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.
[2026-05-25 21:18:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:18:12] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 21:18:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 21:18:12] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-25 21:18:12] [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
[2026-05-25 21:18:12] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-25 21:18:12] [INFO ] Invariant cache hit.
[2026-05-25 21:18:12] [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 81 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 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 173ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 174ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 220 ms. Remains : 5/5 places, 8/8 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-25 21:18:12] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:18:12] [INFO ] Applying decomposition
[2026-05-25 21:18:12] [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/graph1277543629080873054.txt' '-o' '/tmp/graph1277543629080873054.bin' '-w' '/tmp/graph1277543629080873054.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1277543629080873054.bin' '-l' '-1' '-v' '-w' '/tmp/graph1277543629080873054.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:18:12] [INFO ] Decomposing Gal with order
[2026-05-25 21:18:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:18:12] [INFO ] Flatten gal took : 1 ms
[2026-05-25 21:18:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:18:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14365596674372782062.gal : 0 ms
[2026-05-25 21:18:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality180982713414724366.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/ReachabilityCardinality14365596674372782062.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality180982713414724366.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/ReachabilityCardinality180982713414724366.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 :520 after 1033
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1033 after 2058
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2058 after 4107
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5000] Max Struct:[5003]
Ending property specific reduction for JoinFreeModules-PT-5000-UpperBounds-13 in 68591 ms.
[2026-05-25 21:19:02] [INFO ] Flatten gal took : 6 ms
[2026-05-25 21:19:02] [INFO ] Applying decomposition
[2026-05-25 21:19:02] [INFO ] Flatten gal took : 5 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/graph11686340317908613573.txt' '-o' '/tmp/graph11686340317908613573.bin' '-w' '/tmp/graph11686340317908613573.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11686340317908613573.bin' '-l' '-1' '-v' '-w' '/tmp/graph11686340317908613573.weights' '-q' '0' '-e' '0.001'
[2026-05-25 21:19:02] [INFO ] Decomposing Gal with order
[2026-05-25 21:19:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 21:19:02] [INFO ] Flatten gal took : 5 ms
[2026-05-25 21:19:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 21:19:02] [INFO ] Time to serialize gal into /tmp/UpperBounds15471367824343055843.gal : 1 ms
[2026-05-25 21:19:02] [INFO ] Time to serialize properties into /tmp/UpperBounds2244072492184639402.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/UpperBounds15471367824343055843.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2244072492184639402.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 ...284
Loading property file /tmp/UpperBounds2244072492184639402.prop.
Detected timeout of ITS tools.
[2026-05-25 21:48:47] [INFO ] Flatten gal took : 6 ms
[2026-05-25 21:48:47] [INFO ] Time to serialize gal into /tmp/UpperBounds838361280137965378.gal : 1 ms
[2026-05-25 21:48:47] [INFO ] Time to serialize properties into /tmp/UpperBounds13489324667007398547.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/UpperBounds838361280137965378.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13489324667007398547.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 ...304
Loading property file /tmp/UpperBounds13489324667007398547.prop.

BK_TIME_CONFINEMENT_REACHED

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="JoinFreeModules-PT-5000"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is JoinFreeModules-PT-5000, 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 r175-smll-177961111800029"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-5000.tgz
mv JoinFreeModules-PT-5000 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 ;