python3 -m fmpy simulate  --output-file Modelica_4.0.0_Modelica.Electrical.Spice3.Examples.Spice3BenchmarkFourBitBinaryAdder_res.csv --start-time 0 --stop-time 1e-06 --timeout 50 --relative-tolerance 1e-06 --interface-type ModelExchange --solver CVode --output-interval 1.001e-09 Modelica_4_0_0_Modelica_Electrical_Spice3_Examples_Spice3BenchmarkFourBitBinaryAdder.fmu
LOG_STDOUT        | info    | Using sparse solver for linear system 12,
|                 | |       | because density of 0.184 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 25,
|                 | |       | because density of 0.189 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 38,
|                 | |       | because density of 0.167 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 51,
|                 | |       | because density of 0.167 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 75,
|                 | |       | because density of 0.178 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 87,
|                 | |       | because density of 0.169 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 97,
|                 | |       | because density of 0.153 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | Using sparse solver for linear system 102,
|                 | |       | because density of 0.168 remains under threshold of 0.200.
LOG_STDOUT        | info    | The simulation runtime does not have access to sparse solvers. Defaulting to a dense linear system solver instead.
LOG_STDOUT        | info    | The maximum density for using sparse solvers can be specified
|                 | |       | using the runtime flag '<-lssMaxDensity=value>'.