diff --git a/demo/init/ellipt.dat.2d b/demo/init/ellipt.dat.2d
index 28c85dce3d7c04e3c482bbf076cc987993d39692..c2f77d9d580cad9afe94499e2f3b8143ba4bb23d 100644
--- a/demo/init/ellipt.dat.2d
+++ b/demo/init/ellipt.dat.2d
@@ -13,7 +13,7 @@ ellipt->solver->ell:        1
 ellipt->solver->max iteration:  1000
 ellipt->solver->tolerance:      1.e-8
 ellipt->solver->info:           10
-ellipt->solver->left precon:    ilu
+ellipt->solver->left precon:    no
 ellipt->solver->right precon:   no
 
 ellipt->estimator[0]:              residual
@@ -21,13 +21,13 @@ ellipt->estimator[0]->error norm:  H1_NORM   % 1: H1_NORM, 2: L2_NORM
 ellipt->estimator[0]->C0:          0.1 % constant of element residual
 ellipt->estimator[0]->C1:          0.1 % constant of jump residual
 
-ellipt->marker[0]->strategy:       0 % 0: no adaption 1: GR 2: MS 3: ES 4:GERS
+ellipt->marker[0]->strategy:       2 % 0: no adaption 1: GR 2: MS 3: ES 4:GERS
 ellipt->marker[0]->MSGamma:        0.5
 
 ellipt->adapt[0]->tolerance:          1e-4
 ellipt->adapt[0]->refine bisections:  2
 
-ellipt->adapt->max iteration:         10
+ellipt->adapt->max iteration:         3
 
 ellipt->output->filename:       output/ellipt.2d
 ellipt->output->ParaView format: 1
diff --git a/demo/init/vecellipt.dat.1d b/demo/init/vecellipt.dat.1d
index 3d3c9dc574bb5a7c904a40077065f618886f2188..dc8990e4067c07e21d3f07c324fc30badd692ca6 100644
--- a/demo/init/vecellipt.dat.1d
+++ b/demo/init/vecellipt.dat.1d
@@ -11,7 +11,7 @@ vecellipt->polynomial degree[1]:         1
 
 vecellipt->solver:                       bicgstab
 vecellipt->solver->max iteration:        1000
-vecellipt->solver->tolerance:            1.e-8
+vecellipt->solver->tolerance:            1.e-10
 vecellipt->solver->info:                 2
 vecellipt->solver->left precon:          diag
 vecellipt->solver->right precon:         no
diff --git a/demo/init/vecellipt.dat.3d b/demo/init/vecellipt.dat.3d
index 2c6e1caafe95368527717b3191a3ce281fda0289..e6561ddd21922559e94b4ac51c5f0652ae7efe7b 100644
--- a/demo/init/vecellipt.dat.3d
+++ b/demo/init/vecellipt.dat.3d
@@ -11,9 +11,9 @@ vecellipt->polynomial degree[1]:         1
 
 vecellipt->solver:                       bicgstab
 vecellipt->solver->max iteration:        1000
-vecellipt->solver->tolerance:            1.e-10
+vecellipt->solver->tolerance:            1.e-8
 vecellipt->solver->info:                 2
-vecellipt->solver->left precon:          ilu
+vecellipt->solver->left precon:          diag
 vecellipt->solver->right precon:         no
 
 vecellipt->estimator[0]:                 residual
@@ -29,7 +29,7 @@ vecellipt->estimator[1]->error norm:     1   % 1: H1_NORM, 2: L2_NORM
 vecellipt->estimator[1]->C0:             0.1 % constant of element residual
 vecellipt->estimator[1]->C1:             0.1 % constant of jump residual
 
-vecellipt->marker[1]->strategy:          2   % 0: no adaption 1: GR 2: MS 3: ES 4:GERS
+vecellipt->marker[0]->strategy:          2   % 0: no adaption 1: GR 2: MS 3: ES 4:GERS
 vecellipt->marker[1]->MSGamma:           0.5
 
 vecellipt->adapt[0]->tolerance:          1e-4