Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr AES_AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/package.mo", uses=false) Using package AES with version (/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/package.mo) Using package Modelica with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary,fileNamePrefix="AES_AES_Coursework_ElecSys_case_studies_Primary_secondary_tertiary",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary,fileNamePrefix="AES_AES_Coursework_ElecSys_case_studies_Primary_secondary_tertiary",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00103/0.00103, allocations: 91.84 kB / 15.36 MB, free: 0.7383 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.005498/0.005498, allocations: 172.1 kB / 16.26 MB, free: 6.613 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.0.0+maint.om/package.mo): time 1.289/1.289, allocations: 223.3 MB / 240.3 MB, free: 5.34 MB / 190.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/AES main/package.mo): time 0.193/0.193, allocations: 22.34 MB / 313.8 MB, free: 13.05 MB / 254.1 MB Notification: Performance of FrontEnd - loaded program: time 0.0005672/0.0005673, allocations: 12 kB / 382.7 MB, free: 10.06 MB / 318.1 MB Notification: Performance of FrontEnd - Absyn->SCode: time 0.2385/0.2391, allocations: 55.97 MB / 438.7 MB, free: 39.46 MB / 350.1 MB Notification: Performance of NFInst.instantiate(AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary): time 0.001816/0.241, allocations: 2.197 MB / 440.9 MB, free: 37.84 MB / 350.1 MB Notification: Performance of NFInst.instExpressions: time 0.0009222/0.2419, allocations: 0.7604 MB / 441.6 MB, free: 37.32 MB / 350.1 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0001284/0.242, allocations: 3.75 kB / 441.6 MB, free: 37.32 MB / 350.1 MB Notification: Performance of NFTyping.typeComponents: time 0.0002976/0.2423, allocations: 71.89 kB / 441.7 MB, free: 37.29 MB / 350.1 MB Notification: Performance of NFTyping.typeBindings: time 0.0002721/0.2426, allocations: 124.2 kB / 441.8 MB, free: 37.22 MB / 350.1 MB Notification: Performance of NFTyping.typeClassSections: time 0.000266/0.2429, allocations: 180.9 kB / 442 MB, free: 37.12 MB / 350.1 MB Notification: Performance of NFFlatten.flatten: time 0.0003587/0.2433, allocations: 0.4932 MB / 442.5 MB, free: 36.92 MB / 350.1 MB Notification: Performance of NFFlatten.resolveConnections: time 0.0001736/0.2434, allocations: 118 kB / 442.6 MB, free: 36.86 MB / 350.1 MB Notification: Performance of NFEvalConstants.evaluate: time 0.0001872/0.2436, allocations: 186.7 kB / 442.8 MB, free: 36.78 MB / 350.1 MB Notification: Performance of NFSimplifyModel.simplify: time 0.0002108/0.2439, allocations: 206.5 kB / 443 MB, free: 36.7 MB / 350.1 MB Notification: Performance of NFPackage.collectConstants: time 4.312e-05/0.2439, allocations: 18.53 kB / 443 MB, free: 36.7 MB / 350.1 MB Notification: Performance of NFFlatten.collectFunctions: time 3.802e-05/0.244, allocations: 14.97 kB / 443 MB, free: 36.7 MB / 350.1 MB Notification: Performance of NFScalarize.scalarize: time 8.303e-05/0.244, allocations: 88.16 kB / 443.1 MB, free: 36.65 MB / 350.1 MB Notification: Performance of NFVerifyModel.verify: time 0.0001066/0.2442, allocations: 187.7 kB / 443.3 MB, free: 36.52 MB / 350.1 MB Notification: Performance of NFConvertDAE.convert: time 0.0002165/0.2444, allocations: 361.3 kB / 443.7 MB, free: 36.39 MB / 350.1 MB Notification: Performance of FrontEnd - DAE generated: time 3.005e-06/0.2444, allocations: 0 / 443.7 MB, free: 36.39 MB / 350.1 MB Notification: Performance of FrontEnd: time 2.024e-06/0.2444, allocations: 3 kB / 443.7 MB, free: 36.39 MB / 350.1 MB Notification: Performance of Transformations before backend: time 5.36e-06/0.2444, allocations: 4 kB / 443.7 MB, free: 36.39 MB / 350.1 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 71 * Number of variables: 71 Notification: Performance of Generate backend data structure: time 0.001528/0.2459, allocations: 0.7707 MB / 444.4 MB, free: 35.86 MB / 350.1 MB Notification: Performance of prepare preOptimizeDAE: time 3.172e-05/0.246, allocations: 13.78 kB / 444.4 MB, free: 35.85 MB / 350.1 MB Notification: Performance of preOpt introduceOutputAliases (simulation): time 5.389e-05/0.246, allocations: 71.89 kB / 444.5 MB, free: 35.79 MB / 350.1 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 6.368e-05/0.2461, allocations: 46.25 kB / 444.6 MB, free: 35.77 MB / 350.1 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.0006979/0.2468, allocations: 429.1 kB / 445 MB, free: 35.47 MB / 350.1 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 2.03e-05/0.2469, allocations: 27.38 kB / 445 MB, free: 35.46 MB / 350.1 MB Notification: Performance of preOpt expandDerOperator (simulation): time 4.501e-05/0.2469, allocations: 29.09 kB / 445 MB, free: 35.45 MB / 350.1 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003972/0.2473, allocations: 300.4 kB / 445.3 MB, free: 35.3 MB / 350.1 MB Notification: Performance of preOpt findStateOrder (simulation): time 1.015e-05/0.2473, allocations: 7.922 kB / 445.3 MB, free: 35.3 MB / 350.1 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.397e-05/0.2474, allocations: 15.94 kB / 445.4 MB, free: 35.29 MB / 350.1 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 6.763e-06/0.2474, allocations: 5.094 kB / 445.4 MB, free: 35.29 MB / 350.1 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.000342/0.2477, allocations: 216.5 kB / 445.6 MB, free: 35.22 MB / 350.1 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.001233/0.249, allocations: 1.046 MB / 446.6 MB, free: 34.54 MB / 350.1 MB Notification: Performance of preOpt comSubExp (simulation): time 0.0006625/0.2496, allocations: 389 kB / 447 MB, free: 34.4 MB / 350.1 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0001949/0.2498, allocations: 156 kB / 447.1 MB, free: 34.34 MB / 350.1 MB Notification: Performance of preOpt evalFunc (simulation): time 1.784e-05/0.2499, allocations: 5.984 kB / 447.2 MB, free: 34.34 MB / 350.1 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 1.222e-05/0.2499, allocations: 33.62 kB / 447.2 MB, free: 34.3 MB / 350.1 MB Notification: Performance of pre-optimization done (n=37): time 1.333e-06/0.2499, allocations: 0 / 447.2 MB, free: 34.3 MB / 350.1 MB Notification: Performance of matching and sorting (n=39): time 0.001656/0.2515, allocations: 1.115 MB / 448.3 MB, free: 33.61 MB / 350.1 MB Notification: Performance of inlineWhenForInitialization (initialization): time 2.188e-05/0.2516, allocations: 56.59 kB / 448.4 MB, free: 33.54 MB / 350.1 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0006727/0.2523, allocations: 433.2 kB / 448.8 MB, free: 33.36 MB / 350.1 MB Notification: Performance of collectPreVariables (initialization): time 2.213e-05/0.2523, allocations: 37.48 kB / 448.8 MB, free: 33.32 MB / 350.1 MB Notification: Performance of collectInitialEqns (initialization): time 9.557e-05/0.2524, allocations: 208.4 kB / 449 MB, free: 33.14 MB / 350.1 MB Notification: Performance of collectInitialBindings (initialization): time 6.817e-05/0.2525, allocations: 138.2 kB / 449.2 MB, free: 33.04 MB / 350.1 MB Notification: Performance of simplifyInitialFunctions (initialization): time 4.495e-05/0.2525, allocations: 38.67 kB / 449.2 MB, free: 33.01 MB / 350.1 MB Notification: Performance of setup shared object (initialization): time 6.076e-05/0.2526, allocations: 354.1 kB / 449.5 MB, free: 32.68 MB / 350.1 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0001763/0.2528, allocations: 112.1 kB / 449.6 MB, free: 32.64 MB / 350.1 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.0001893/0.253, allocations: 172.1 kB / 449.8 MB, free: 32.54 MB / 350.1 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.001425/0.2544, allocations: 0.613 MB / 450.4 MB, free: 32.29 MB / 350.1 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 1.502e-06/0.2544, allocations: 0 / 450.4 MB, free: 32.29 MB / 350.1 MB Warning: The linear system: 1 : Ge2.Pm = Ge2.Pcmd 2 : Ge2.Pm = Ge2.Pcmd [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ Ge2.Pm ; Ge2.Pcmd ] = [ 0.0 ; 0.0 ] might be structurally or numerically singular for variable Ge2.Pcmd since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : Ge1.Pm = Ge1.Pcmd 2 : Ge1.Pm = Ge1.Pcmd [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ Ge1.Pcmd ; Ge1.Pm ] = [ 0.0 ; 0.0 ] might be structurally or numerically singular for variable Ge1.Pm since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of matching and sorting (n=52) (initialization): time 0.0008389/0.2553, allocations: 0.7957 MB / 451.2 MB, free: 31.68 MB / 350.1 MB Notification: Performance of prepare postOptimizeDAE: time 1.286e-05/0.2553, allocations: 6.062 kB / 451.2 MB, free: 31.68 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.46e-06/0.2553, allocations: 2.969 kB / 451.2 MB, free: 31.68 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0002352/0.2555, allocations: 97.94 kB / 451.3 MB, free: 31.63 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.0003375/0.2559, allocations: 89.17 kB / 451.4 MB, free: 31.62 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.002425/0.2583, allocations: 7.311 MB / 458.7 MB, free: 24.24 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.0003831/0.2587, allocations: 39.77 kB / 458.8 MB, free: 24.24 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 2.092e-05/0.2587, allocations: 22.69 kB / 458.8 MB, free: 24.23 MB / 350.1 MB Warning: Assuming fixed start value for the following 1 variables: Ge2.deltag:VARIABLE(unit = "rad" fixed = true ) "generator angle wrt port" type: Real Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 6 * Number of states: 0 () * Number of discrete variables: 1 (Cs.local_reset) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (42): * Single equations (assignments): 39 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 3 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 2 systems {(1,1,100.0%), (1,1,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,8)} Notification: Performance of prepare postOptimizeDAE: time 0.0001442/0.2589, allocations: 164.2 kB / 458.9 MB, free: 24.08 MB / 350.1 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 5.884e-05/0.259, allocations: 37.12 kB / 459 MB, free: 24.06 MB / 350.1 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 9.264e-05/0.2591, allocations: 54.47 kB / 459 MB, free: 24.02 MB / 350.1 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 3.446e-06/0.2591, allocations: 5.5 kB / 459 MB, free: 24.02 MB / 350.1 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 3.666e-06/0.2591, allocations: 3.328 kB / 459 MB, free: 24.02 MB / 350.1 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 4.569e-06/0.2591, allocations: 0 / 459 MB, free: 24.02 MB / 350.1 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.0009852/0.2601, allocations: 0.8843 MB / 459.9 MB, free: 23.48 MB / 350.1 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 2.966e-06/0.2601, allocations: 48 / 459.9 MB, free: 23.48 MB / 350.1 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0002814/0.2604, allocations: 68.89 kB / 460 MB, free: 23.47 MB / 350.1 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0002047/0.2606, allocations: 77.06 kB / 460.1 MB, free: 23.44 MB / 350.1 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 2.571e-05/0.2606, allocations: 17.89 kB / 460.1 MB, free: 23.43 MB / 350.1 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001075/0.2617, allocations: 1.707 MB / 461.8 MB, free: 21.88 MB / 350.1 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.883e-06/0.2617, allocations: 3.938 kB / 461.8 MB, free: 21.87 MB / 350.1 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.000718/0.2624, allocations: 0.6191 MB / 462.4 MB, free: 21.54 MB / 350.1 MB Notification: Performance of postOpt removeConstants (simulation): time 6.775e-05/0.2625, allocations: 113.4 kB / 462.5 MB, free: 21.43 MB / 350.1 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 4.592e-05/0.2626, allocations: 11.19 kB / 462.5 MB, free: 21.42 MB / 350.1 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0003772/0.263, allocations: 40.27 kB / 462.6 MB, free: 21.41 MB / 350.1 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 5.642e-05/0.263, allocations: 34.77 kB / 462.6 MB, free: 21.4 MB / 350.1 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 1.686e-05/0.263, allocations: 10.75 kB / 462.6 MB, free: 21.39 MB / 350.1 MB Notification: Performance of sorting global known variables: time 0.0005654/0.2636, allocations: 329.3 kB / 462.9 MB, free: 21.26 MB / 350.1 MB Notification: Performance of sort global known variables: time 2.11e-07/0.2636, allocations: 0 / 462.9 MB, free: 21.26 MB / 350.1 MB Notification: Performance of remove unused functions: time 0.0004977/0.2641, allocations: 84 kB / 463 MB, free: 21.25 MB / 350.1 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 8 (g1.x_scaled[1],g2.x_scaled[1],Cs.y,Ge1.deltag,Ge1.wg,Ge2.thetap,Ge2.deltag,Ge2.wg) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (31): * Single equations (assignments): 30 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,8)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0008883/0.265, allocations: 1.156 MB / 464.2 MB, free: 20.38 MB / 350.1 MB Notification: Performance of simCode: created initialization part: time 0.0006925/0.2657, allocations: 0.6397 MB / 464.8 MB, free: 19.93 MB / 350.1 MB Notification: Performance of simCode: created event and clocks part: time 1.903e-06/0.2657, allocations: 0 / 464.8 MB, free: 19.93 MB / 350.1 MB Notification: Performance of simCode: created simulation system equations: time 0.0003254/0.2661, allocations: 290.1 kB / 465.1 MB, free: 19.76 MB / 350.1 MB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.0004411/0.2665, allocations: 62.75 kB / 465.2 MB, free: 19.73 MB / 350.1 MB Warning: The linear system: 1 : Ge2.Pm = Ge2.Pcmd 2 : Ge2.Pm = Ge2.Pcmd [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ Ge2.Pcmd ; Ge2.Pm ] = [ 0.0 ; 0.0 ] might be structurally or numerically singular for variable Ge2.Pm since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : Ge1.Pm = Ge1.Pcmd 2 : Ge1.Pm = Ge1.Pcmd [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ Ge1.Pcmd ; Ge1.Pm ] = [ 0.0 ; 0.0 ] might be structurally or numerically singular for variable Ge1.Pm since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : Ge2.Pm = Ge2.Pcmd 2 : Ge2.Pm = Ge2.Pcmd [ 1.0 , -1.0 ; 1.0 , -1.0 ] * [ Ge2.Pm ; Ge2.Pcmd ] = [ 0.0 ; 0.0 ] might be structurally or numerically singular for variable Ge2.Pcmd since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Warning: The linear system: 1 : Ge1.Pm = Ge1.Pcmd 2 : Ge1.Pm = Ge1.Pcmd [ -1.0 , 1.0 ; -1.0 , 1.0 ] * [ Ge1.Pcmd ; Ge1.Pm ] = [ 0.0 ; 0.0 ] might be structurally or numerically singular for variable Ge1.Pm since U(2,2) = 0.0. It might be hard to solve. Compilation continues anyway. Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.005396/0.2719, allocations: 5.042 MB / 470.2 MB, free: 16.25 MB / 350.1 MB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0002098/0.2722, allocations: 0.8286 MB / 471 MB, free: 15.54 MB / 350.1 MB Notification: Performance of simCode: alias equations: time 0.0001532/0.2723, allocations: 47.34 kB / 471.1 MB, free: 15.53 MB / 350.1 MB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.0001544/0.2725, allocations: 135.3 kB / 471.2 MB, free: 15.43 MB / 350.1 MB Notification: Performance of SimCode: time 3.3e-07/0.2725, allocations: 0 / 471.2 MB, free: 15.43 MB / 350.1 MB Notification: Performance of buildModelFMU: Generate the FMI files: time 0.4129/0.6854, allocations: 7.505 MB / 478.7 MB, free: 14.93 MB / 350.1 MB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0001431/0.6855, allocations: 237.2 kB / 479 MB, free: 14.68 MB / 350.1 MB Notification: Performance of buildModelFMU: Generate platform static: time 2.079/2.764, allocations: 0 / 479 MB, free: 14.68 MB / 350.1 MB (rm -f AES_AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary.pipe ; mkfifo AES_AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary.pipe ; head -c 1048576 < AES_AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary.pipe >> ../files/AES_AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_AES_AES_Coursework_ElecSys_case_studies_Primary_secondary_tertiary_fmu --startTime=0 --stopTime=2000 --timeout=50 --tolerance=1e-06 AES_AES_Coursework_ElecSys_case_studies_Primary_secondary_tertiary.fmu > AES_AES.Coursework.ElecSys_case_studies.Primary_secondary_tertiary.pipe 2>&1)