Running: ./testmodel.py --libraries=/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_7.0.0_Buildings.Examples.VAVCO2.VAVSystemCTControl.conf.json Using package ModelicaServices with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo) Using package Modelica with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 3.2.3 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo) Using package Buildings with version 7.0.1 (/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo) Running command: translateModel(Buildings.Examples.VAVCO2.VAVSystemCTControl,tolerance=1e-08,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_7.0.0_Buildings.Examples.VAVCO2.VAVSystemCTControl") [:1:1-1:32:writable] Error: Class GC_set_max_heap_size not found in scope (looking for a function or record). Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 7.0.1/package.mo): time 1.981/1.981, allocations: 253.1 MB / 260.4 MB, free: 7.512 MB / 202.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 3.2.3+maint.om/package.mo): time 0.001604/0.001604, allocations: 189.2 kB / 319.6 MB, free: 3.305 MB / 250.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.737/1.737, allocations: 205.4 MB / 0.5704 GB, free: 15.06 MB / 426.7 MB Notification: Performance of loadFile(/var/lib/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 3.2.3+maint.om/package.mo): time 0.001339/0.001339, allocations: 94.45 kB / 0.6746 GB, free: 4.434 MB / 0.5105 GB Notification: Performance of FrontEnd - loaded program: time 7.675e-06/7.834e-06, allocations: 0 / 0.7843 GB, free: 102.6 MB / 0.5417 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.191/0.191, allocations: 106.2 MB / 0.888 GB, free: 12.23 MB / 0.5573 GB Notification: Performance of FrontEnd - scodeFlatten: time 5.396/5.587, allocations: 2.256 GB / 3.144 GB, free: 103.8 MB / 0.8698 GB Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002545/5.587, allocations: 83.02 kB / 3.144 GB, free: 103.7 MB / 0.8698 GB Notification: Performance of FrontEnd: time 57.05/62.63, allocations: 10.7 GB / 13.85 GB, free: 96.52 MB / 1.432 GB Notification: Performance of Transformations before backend: time 0.005287/62.64, allocations: 490.3 kB / 13.85 GB, free: 96.45 MB / 1.432 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 3120 * Number of variables: 3120 Notification: Performance of Generate backend data structure: time 0.08559/62.72, allocations: 17.39 MB / 13.86 GB, free: 89.23 MB / 1.432 GB Notification: Performance of prepare preOptimizeDAE: time 4.667e-05/62.72, allocations: 9.562 kB / 13.86 GB, free: 89.23 MB / 1.432 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.05002/62.78, allocations: 4.477 MB / 13.87 GB, free: 88.16 MB / 1.432 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.09553/62.87, allocations: 20.59 MB / 13.89 GB, free: 85.61 MB / 1.432 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.001041/62.87, allocations: 396.3 kB / 13.89 GB, free: 85.61 MB / 1.432 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.007936/62.88, allocations: 0.7879 MB / 13.89 GB, free: 85.6 MB / 1.432 GB Notification: Performance of preOpt removeEqualFunctionCalls (simulation): time 0.05989/62.94, allocations: 15.14 MB / 13.9 GB, free: 85.54 MB / 1.432 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0704/63.01, allocations: 15.43 MB / 13.92 GB, free: 84.45 MB / 1.432 GB Notification: Performance of preOpt findStateOrder (simulation): time 0.0009413/63.01, allocations: 12.5 kB / 13.92 GB, free: 84.45 MB / 1.432 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.006871/63.02, allocations: 17.31 kB / 13.92 GB, free: 84.45 MB / 1.432 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.0005432/63.02, allocations: 454.3 kB / 13.92 GB, free: 84.42 MB / 1.432 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.2175/63.24, allocations: 83.17 MB / 14 GB, free: 47.58 MB / 1.432 GB Notification: Performance of preOpt comSubExp (simulation): time 0.03744/63.27, allocations: 10.26 MB / 14.01 GB, free: 47.47 MB / 1.432 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.0203/63.29, allocations: 6.441 MB / 14.02 GB, free: 47.39 MB / 1.432 GB Notification: Performance of preOpt evalFunc (simulation): time 0.001846/63.3, allocations: 0.4889 MB / 14.02 GB, free: 47.1 MB / 1.432 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.0242/63.32, allocations: 6.516 MB / 14.02 GB, free: 46.89 MB / 1.432 GB Notification: Performance of pre-optimization done (n=893): time 1.837e-05/63.32, allocations: 3.844 kB / 14.02 GB, free: 46.89 MB / 1.432 GB Notification: Performance of matching and sorting (n=893): time 0.1092/63.43, allocations: 16.47 MB / 14.04 GB, free: 45.79 MB / 1.432 GB Notification: Performance of inlineWhenForInitialization (initialization): time 0.0003275/63.43, allocations: 0.9825 MB / 14.04 GB, free: 44.68 MB / 1.432 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.04007/63.47, allocations: 10.5 MB / 14.05 GB, free: 43.94 MB / 1.432 GB Notification: Performance of collectPreVariables (initialization): time 0.00397/63.47, allocations: 57.61 kB / 14.05 GB, free: 43.91 MB / 1.432 GB Notification: Performance of collectInitialEqns (initialization): time 0.008769/63.48, allocations: 4.629 MB / 14.06 GB, free: 41.6 MB / 1.432 GB Notification: Performance of collectInitialBindings (initialization): time 0.01452/63.5, allocations: 2.961 MB / 14.06 GB, free: 39.61 MB / 1.432 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.003442/63.5, allocations: 0 / 14.06 GB, free: 39.61 MB / 1.432 GB Notification: Performance of setup shared object (initialization): time 0.001327/63.5, allocations: 0.6484 MB / 14.06 GB, free: 39.29 MB / 1.432 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.01798/63.52, allocations: 4.896 MB / 14.07 GB, free: 39.27 MB / 1.432 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02103/63.54, allocations: 7.813 MB / 14.07 GB, free: 36.07 MB / 1.432 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.02289/63.56, allocations: 6.207 MB / 14.08 GB, free: 35.93 MB / 1.432 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 0.0001463/63.56, allocations: 9.219 kB / 14.08 GB, free: 35.93 MB / 1.432 GB Notification: Performance of matching and sorting (n=1154) (initialization): time 0.1134/63.68, allocations: 18.05 MB / 14.1 GB, free: 34.83 MB / 1.432 GB Notification: Performance of prepare postOptimizeDAE: time 0.006447/63.68, allocations: 22.28 MB / 14.12 GB, free: 28.3 MB / 1.448 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.0003967/63.68, allocations: 45.17 kB / 14.12 GB, free: 28.3 MB / 1.448 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04612/63.73, allocations: 4.622 MB / 14.12 GB, free: 28.2 MB / 1.448 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.02205/63.75, allocations: 1.936 MB / 14.12 GB, free: 28.2 MB / 1.448 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.09926/63.85, allocations: 30 MB / 14.15 GB, free: 30.22 MB / 1.464 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0348/63.89, allocations: 1.54 MB / 14.16 GB, free: 29.83 MB / 1.464 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004383/63.89, allocations: 0.495 MB / 14.16 GB, free: 29.83 MB / 1.464 GB Notification: Performance of prepare postOptimizeDAE: time 1.993e-05/63.89, allocations: 10.69 kB / 14.16 GB, free: 29.83 MB / 1.464 GB Notification: Performance of postOpt replaceHomotopyWithSimplified (initialization): time 0.1012/63.99, allocations: 16.17 MB / 14.17 GB, free: 29.4 MB / 1.464 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 0.000323/63.99, allocations: 45.03 kB / 14.17 GB, free: 29.4 MB / 1.464 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.04543/64.04, allocations: 4.503 MB / 14.18 GB, free: 29.31 MB / 1.464 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01909/64.06, allocations: 1.854 MB / 14.18 GB, free: 29.31 MB / 1.464 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.1066/64.16, allocations: 31.41 MB / 14.21 GB, free: 11.77 MB / 1.464 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.03365/64.2, allocations: 1.464 MB / 14.21 GB, free: 11.43 MB / 1.464 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.004153/64.2, allocations: 481.8 kB / 14.21 GB, free: 11.36 MB / 1.464 GB Warning: Iteration variables with default zero start attribute in torn nonlinear equation system: conSupFan.gainPID.y:VARIABLE(protected = true ) "Output signal connector" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 147 * Number of states: 0 () * Number of discrete variables: 34 ($whenCondition7,$PRE.roo.occ.office1.nextTimeEvent,$whenCondition6,$PRE.roo.occ.office2.nextTimeEvent,$whenCondition5,$PRE.roo.occ.cla1.nextTimeEvent,$whenCondition4,$PRE.roo.occ.cla2.nextTimeEvent,$whenCondition3,$PRE.roo.occ.smaRoo1.nextTimeEvent,$whenCondition2,$PRE.roo.occ.smaRoo2.nextTimeEvent,$whenCondition1,roo.occ.office1.nextTimeEvent,$PRE.roo.occ.office1.nextTimeEventScaled,roo.occ.office1.nextTimeEventScaled,roo.occ.office2.nextTimeEvent,$PRE.roo.occ.office2.nextTimeEventScaled,roo.occ.office2.nextTimeEventScaled,roo.occ.cla1.nextTimeEvent,$PRE.roo.occ.cla1.nextTimeEventScaled,roo.occ.cla1.nextTimeEventScaled,roo.occ.cla2.nextTimeEvent,$PRE.roo.occ.cla2.nextTimeEventScaled,roo.occ.cla2.nextTimeEventScaled,roo.occ.smaRoo1.nextTimeEvent,$PRE.roo.occ.smaRoo1.nextTimeEventScaled,roo.occ.smaRoo1.nextTimeEventScaled,roo.occ.smaRoo2.nextTimeEvent,$PRE.roo.occ.smaRoo2.nextTimeEventScaled,roo.occ.smaRoo2.nextTimeEventScaled,$PRE.onSig.pulseStart,onSig.pulseStart,booToRea.u) * Number of discrete states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (962): * Single equations (assignments): 931 * Array equations: 8 * Algorithm blocks: 0 * Record equations: 6 * When equations: 0 * If-equations: 0 * Equation systems (linear and non-linear blocks): 8 * Torn equation systems: 9 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 8 {1,1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 6 {(5,76.0%) 8,(5,84.0%) 8,(4,87.5%) 9,(5,76.0%) 8,(5,76.0%) 8,(5,72.0%) 8} * Non-linear torn systems: 3 {3 9,14 46,9 26} Notification: Performance of prepare postOptimizeDAE: time 0.007421/64.21, allocations: 351.3 kB / 14.21 GB, free: 11.21 MB / 1.464 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.008895/64.22, allocations: 1.432 MB / 14.21 GB, free: 10.46 MB / 1.464 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.07929/64.3, allocations: 15.17 MB / 14.23 GB, free: 5.004 MB / 1.464 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 0.0002154/64.3, allocations: 96.72 kB / 14.23 GB, free: 5.004 MB / 1.464 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 6.917e-05/64.3, allocations: 18.59 kB / 14.23 GB, free: 5 MB / 1.464 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 0.06015/64.36, allocations: 12.24 MB / 14.24 GB, free: 404 kB / 1.464 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.1363/64.5, allocations: 31.55 MB / 14.27 GB, free: 2.945 MB / 1.479 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 0.0001147/64.5, allocations: 4.25 kB / 14.27 GB, free: 2.945 MB / 1.479 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.02132/64.52, allocations: 1.859 MB / 14.27 GB, free: 2.887 MB / 1.479 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.0208/64.54, allocations: 2.679 MB / 14.27 GB, free: 2.328 MB / 1.479 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.002937/64.54, allocations: 148 kB / 14.27 GB, free: 2.281 MB / 1.479 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.05398/64.59, allocations: 23.1 MB / 14.3 GB, free: 0.8125 MB / 1.495 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 9.417e-06/64.59, allocations: 4.156 kB / 14.3 GB, free: 0.8125 MB / 1.495 GB Notification: Performance of postOpt detectJacobianSparsePattern (simulation): time 0.09434/64.69, allocations: 21.98 MB / 14.32 GB, free: 9.234 MB / 1.511 GB Notification: Performance of postOpt removeConstants (simulation): time 0.0182/64.71, allocations: 3.312 MB / 14.32 GB, free: 7.125 MB / 1.511 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.008549/64.72, allocations: 68 kB / 14.32 GB, free: 7.094 MB / 1.511 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.02887/64.74, allocations: 1.139 MB / 14.32 GB, free: 6.977 MB / 1.511 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.00347/64.75, allocations: 490.2 kB / 14.32 GB, free: 6.906 MB / 1.511 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.003047/64.75, allocations: 326.5 kB / 14.32 GB, free: 6.84 MB / 1.511 GB Notification: Performance of sort global known variables: time 0.0334/64.78, allocations: 7.876 MB / 14.33 GB, free: 3.617 MB / 1.511 GB Notification: Performance of remove unused functions: time 0.1031/64.89, allocations: 10.76 MB / 14.34 GB, free: 11.43 MB / 1.526 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 5 * Number of states: 69 (roo.roo45.vav.filter.x[1],roo.roo45.vav.filter.x[2],roo.roo45.vol.dynBal.U,roo.roo45.vol.dynBal.m,roo.roo45.vol.dynBal.mXi[1],roo.roo45.vol.dynBal.mC[1],roo.roo45.ple.dynBal.U,roo.roo45.ple.dynBal.m,roo.roo45.ple.dynBal.mXi[1],roo.roo45.ple.dynBal.mC[1],roo.roo46.vav.filter.x[1],roo.roo46.vav.filter.x[2],roo.roo46.vol.dynBal.U,roo.roo46.vol.dynBal.m,roo.roo46.vol.dynBal.mXi[1],roo.roo46.vol.dynBal.mC[1],roo.roo46.ple.dynBal.U,roo.roo46.ple.dynBal.m,roo.roo46.ple.dynBal.mXi[1],roo.roo46.ple.dynBal.mC[1],roo.roo47.vav.filter.x[1],roo.roo47.vav.filter.x[2],roo.roo47.vol.dynBal.U,roo.roo47.vol.dynBal.m,roo.roo47.vol.dynBal.mXi[1],roo.roo47.vol.dynBal.mC[1],roo.roo47.ple.dynBal.U,roo.roo47.ple.dynBal.m,roo.roo47.ple.dynBal.mXi[1],roo.roo47.ple.dynBal.mC[1],roo.roo48.vav.filter.x[1],roo.roo48.vav.filter.x[2],roo.roo48.vol.dynBal.U,roo.roo48.vol.dynBal.m,roo.roo48.vol.dynBal.mXi[1],roo.roo48.vol.dynBal.mC[1],roo.roo48.ple.dynBal.U,roo.roo48.ple.dynBal.m,roo.roo48.ple.dynBal.mXi[1],roo.roo48.ple.dynBal.mC[1],roo.roo49.vav.filter.x[1],roo.roo49.vav.filter.x[2],roo.roo49.vol.dynBal.U,roo.roo49.vol.dynBal.m,roo.roo49.vol.dynBal.mXi[1],roo.roo49.vol.dynBal.mC[1],roo.roo49.ple.dynBal.U,roo.roo49.ple.dynBal.m,roo.roo49.ple.dynBal.mXi[1],roo.roo49.ple.dynBal.mC[1],roo.roo50.vav.filter.x[1],roo.roo50.vav.filter.x[2],roo.roo50.vol.dynBal.U,roo.roo50.vol.dynBal.m,roo.roo50.vol.dynBal.mXi[1],roo.roo50.vol.dynBal.mC[1],roo.roo50.ple.dynBal.U,roo.roo50.ple.dynBal.m,roo.roo50.ple.dynBal.mXi[1],roo.roo50.ple.dynBal.mC[1],fan32.vol.dynBal.U,fan32.vol.dynBal.m,fan32.vol.dynBal.mXi[1],fan32.vol.dynBal.mC[1],fan56.vol.dynBal.U,fan56.vol.dynBal.m,fan56.vol.dynBal.mXi[1],fan56.vol.dynBal.mC[1],ramLim.y) * Number of discrete variables: 21 ($whenCondition7,$whenCondition6,$whenCondition5,$whenCondition4,$whenCondition3,$whenCondition2,$whenCondition1,roo.occ.office1.nextTimeEvent,roo.occ.office1.nextTimeEventScaled,roo.occ.office2.nextTimeEvent,roo.occ.office2.nextTimeEventScaled,roo.occ.cla1.nextTimeEvent,roo.occ.cla1.nextTimeEventScaled,roo.occ.cla2.nextTimeEvent,roo.occ.cla2.nextTimeEventScaled,roo.occ.smaRoo1.nextTimeEvent,roo.occ.smaRoo1.nextTimeEventScaled,roo.occ.smaRoo2.nextTimeEvent,roo.occ.smaRoo2.nextTimeEventScaled,onSig.pulseStart,booToRea.u) * Number of discrete states: 12 (roo.occ.office1.nextTimeEvent,roo.occ.office2.nextTimeEvent,roo.occ.cla1.nextTimeEvent,roo.occ.cla2.nextTimeEvent,roo.occ.smaRoo1.nextTimeEvent,roo.occ.smaRoo2.nextTimeEvent,roo.occ.smaRoo2.nextTimeEventScaled,roo.occ.smaRoo1.nextTimeEventScaled,roo.occ.cla2.nextTimeEventScaled,roo.occ.cla1.nextTimeEventScaled,roo.occ.office2.nextTimeEventScaled,roo.occ.office1.nextTimeEventScaled) * Top-level inputs: 0 Notification: Strong component statistics for simulation (795): * Single equations (assignments): 765 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 13 * If-equations: 0 * Equation systems (linear and non-linear blocks): 8 * Torn equation systems: 9 * Mixed (continuous/discrete) equation systems: 0 Notification: Equation system details: * Constant Jacobian: 0 * Linear Jacobian (size,density): 0 * Non-linear Jacobian: 8 {1,1,1,1,1,1,1,1} * Without analytic Jacobian: 0 Notification: Torn system details for strict tearing set: * Linear torn systems: 6 {(4,87.5%) 9,(4,81.2%) 9,(4,81.2%) 9,(4,87.5%) 9,(4,81.2%) 9,(4,81.2%) 9} * Non-linear torn systems: 3 {2 10,15 34,9 26} Notification: Performance of Backend phase and start with SimCode phase: time 1.206/66.09, allocations: 55.39 MB / 14.4 GB, free: 231.7 MB / 1.526 GB Notification: Performance of simCode: created initialization part: time 0.08736/66.18, allocations: 22.65 MB / 14.42 GB, free: 229.5 MB / 1.526 GB Notification: Performance of simCode: created event and clocks part: time 2.256e-05/66.18, allocations: 10 kB / 14.42 GB, free: 229.5 MB / 1.526 GB Notification: Performance of simCode: created simulation system equations: time 0.024/66.21, allocations: 7.012 MB / 14.42 GB, free: 228.8 MB / 1.526 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.06832/66.27, allocations: 6.73 MB / 14.43 GB, free: 228.6 MB / 1.526 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1291/66.4, allocations: 29.63 MB / 14.46 GB, free: 223.1 MB / 1.526 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.03777/66.44, allocations: 10.3 MB / 14.47 GB, free: 222 MB / 1.526 GB Notification: Performance of SimCode: time 1.533e-06/66.44, allocations: 1.094 kB / 14.47 GB, free: 222 MB / 1.526 GB Notification: Performance of Templates: time 2.613/69.05, allocations: 495.2 MB / 14.95 GB, free: 260.3 MB / 1.526 GB