after ARNOLD writes an image to disk I get the folowwing pop up:

I tried to upgrad to hou 18.0.499 but the htoa version is not available:

My Specs:

| Arnold 6.0.3.1 [93beeb25] linux clang-9.0.1 oiio-2.2.1 osl-1.11.0 vdb-4.0.0 clm-1.1.1.118 rlm-12.4.2 optix-6.7.0 2020/06/01 16:49:14
| running on pop-os, pid=74048
| 2 x Intel(R) Xeon(R) Gold 6130 CPU @ 2.10GHz (32 cores, 64 logical) with 128570MB
| NVIDIA driver version 440.82 (Optix 60600)
| GPU 0: GeForce GTX 1080 Ti @ 1582MHz (compute 6.1) with 11169MB (10623MB available) (NVLink:0)
| Pop!_OS 20.04 LTS (focal), Linux kernel 5.4.0-7629-generic

Renderlog:

00:38:10 1011MB | [htoa.session] SOHO mode: default
00:38:10 1011MB | [metadata] loading metadata file: /Volumes/corpus/cps/00_pipeline/software/htoa/lin/htoa-5.3.0_r233605f_houdini-18.0.460/arnold/metadata/lights.mtd
00:38:10 1011MB | [metadata] loading metadata file: /Volumes/corpus/cps/00_pipeline/software/htoa/lin/htoa-5.3.0_r233605f_houdini-18.0.460/arnold/metadata/shaders.mtd
00:38:10 1011MB | [metadata] loading metadata file: /Volumes/corpus/cps/00_pipeline/software/htoa/lin/htoa-5.3.0_r233605f_houdini-18.0.460/arnold/metadata/options.mtd
00:38:10 1011MB | [metadata] loading metadata file: /Volumes/corpus/cps/00_pipeline/software/htoa/lin/htoa-5.3.0_r233605f_houdini-18.0.460/arnold/metadata/shapes.mtd
00:38:10 1011MB | [metadata] loading metadata file: /Volumes/corpus/cps/00_pipeline/software/htoa/lin/htoa-5.3.0_r233605f_houdini-18.0.460/arnold/metadata/operators.mtd
00:38:10 1011MB | [metadata] loading metadata file: /Volumes/corpus/cps/00_pipeline/software/htoa/lin/htoa-5.3.0_r233605f_houdini-18.0.460/arnold/metadata/cameras.mtd
00:38:10 1011MB | [htoa.session] Camera: /obj/ipr_camera
00:38:10 1011MB | [htoa.object.rop] Generating ROP /out/arnold1
00:38:10 1011MB | [htoa.object.camera] cannot find "subcamtag" property on "/obj/ipr_camera", using camera name (ipr_camera)
00:38:10 1011MB | [htoa.object.camera] Generating camera /obj/ipr_camera
00:38:10 1011MB | [htoa.object.geometry] Generating /obj/box1
00:38:10 1011MB | [virtual htoa::geo::Object::ShaderMap htoa::geo::Object::build] translate as: geo
00:38:10 1011MB | [htoa.object.geometry] Generating /obj/grid1
00:38:10 1011MB | [virtual htoa::geo::Object::ShaderMap htoa::geo::Object::build] translate as: geo
00:38:10 1011MB | [htoa.object.light] Generating quad light /obj/arnold_light1
00:38:10 1011MB | [htoa.material] Generating shader /obj/box1/shopnet1/arnold_vopnet1/standard_surface1
00:38:10 1011MB | [htoa.material] Generating shader /obj/grid1/shopnet1/arnold_vopnet1/standard_surface1
00:38:10 1011MB | [htoa.texture] Converted 0 textures in 0:00:00.00 (0 skipped, 0 errors)
00:38:10 1011MB | [htoa.session] SOP cache cleared. 0 nodes unloaded.
00:38:10 1011MB | [ass] writing scene to /tmp/houdini_temp/htoa_tmarkgraf/74881_22e586f8-988a-4fab-ba5e-5f892f069be0.ass (mask=0xFFFF) ...
00:38:10 1011MB | [ass] wrote 5196 bytes, 10 nodes in 0:00.00
00:00:00 89MB | [hick] Lowered process priority to 19
00:00:00 89MB | [hick] Received: AA: 3 3
00:00:00 89MB | [hick] Received: begin
00:00:00 89MB | [hick] Batch mode
00:00:00 89MB | log started Mon Jul 13 18:24:37 2020
00:00:00 89MB | Arnold 6.0.3.1 [93beeb25] linux clang-9.0.1 oiio-2.2.1 osl-1.11.0 vdb-4.0.0 clm-1.1.1.118 rlm-12.4.2 optix-6.7.0 2020/06/01 16:49:14
00:00:00 89MB | running on pop-os, pid=78690
00:00:00 89MB | 2 x Intel(R) Xeon(R) Gold 6130 CPU @ 2.10GHz (32 cores, 64 logical) with 128570MB
00:00:00 89MB | NVIDIA driver version 440.82 (Optix 60600)
00:00:00 89MB | GPU 0: GeForce GTX 1080 Ti @ 1582MHz (compute 6.1) with 11169MB (10260MB available) (NVLink:0)
00:00:00 89MB | Pop!_OS 20.04 LTS (focal), Linux kernel 5.4.0-7629-generic
00:00:00 89MB | soft limit for open files raised from 1048574 to 1048574
00:00:00 89MB |
00:00:00 89MB | [hick] Start
00:00:00 89MB | [hick] Received: log_verbosity: 8127
00:00:00 89MB | [hick] Received: log_console_enable: 1
00:00:00 89MB | [hick] Received: log_file:
00:00:00 89MB | [hick] Received: log_max_warnings: 5
00:00:00 89MB | [hick] Received: delta_publisher_port: 34833
00:00:00 89MB | [hick] Received: threads: 0
00:00:00 89MB | [hick] Received: assfile: /tmp/houdini_temp/htoa_tmarkgraf/74881_22e586f8-988a-4fab-ba5e-5f892f069be0.ass
00:00:00 89MB | [metadata] loading metadata file: /tmp/houdini_temp/htoa_tmarkgraf/74881_22e586f8-988a-4fab-ba5e-5f892f069be0.ass
00:00:00 90MB | [ass] loading /tmp/houdini_temp/htoa_tmarkgraf/74881_22e586f8-988a-4fab-ba5e-5f892f069be0.ass ...
00:00:00 90MB | loading plugins from /Volumes/corpus/cps/00_pipeline/software/htoa/lin/htoa-5.3.0_r233605f_houdini-18.0.460/arnold/plugins ...
00:00:00 95MB | loaded 6 plugins from 4 lib(s) in 0:00.03
00:00:00 95MB | [ass] read 5196 bytes, 10 nodes in 0:00.03
00:00:00 96MB |
00:00:00 96MB | authorizing with default license managers: rlm, network, user ...
00:00:00 102MB | [network] authorized for "87287ARNOL_2020_0F" in 0:00.05
00:00:00 102MB | [network] expiration date: 2020/09/22, in use: 3/3000
00:00:00 102MB |
00:00:00 102MB | [hick] renderUpdateHandler: update_type[AI_RENDER_UPDATE_BEFORE_PASS] status[AI_RENDER_STATUS_RENDERING] output_to_display[AI_DISPLAY_OUTPUT_ALL]
00:00:00 102MB | [color_manager] using color manager of type "color_manager_ocio"
00:00:00 102MB | [color_manager_ocio] using config file /Volumes/corpus/cps/00_pipeline/colormanagement/spi-anim/config.ocio
00:00:00 116MB |
00:00:00 116MB | there are 1 light and 3 objects:
00:00:00 116MB | 1 persp_camera
00:00:00 116MB | 1 quad_light
00:00:00 116MB | 1 utility
00:00:00 116MB | 2 standard_surface
00:00:00 116MB | 1 driver_exr
00:00:00 116MB | 1 gaussian_filter
00:00:00 116MB | 2 polymesh
00:00:00 116MB | 1 list_aggregate
00:00:00 116MB | 1 color_manager_ocio
00:00:00 116MB |
00:00:00 116MB | rendering image at 320 x 240, 3 AA samples
00:00:00 116MB | AA samples max <disabled>
00:00:00 116MB | AA sample clamp <disabled>
00:00:00 116MB | diffuse samples 2 / depth 1
00:00:00 116MB | specular samples 2 / depth 1
00:00:00 116MB | transmission samples 2 / depth 8
00:00:00 116MB | volume indirect <disabled by depth>
00:00:00 116MB | total depth 10
00:00:00 116MB | bssrdf samples 2
00:00:00 116MB | transparency depth 10
00:00:00 116MB | initializing 12 nodes ...
00:00:00 116MB | creating root object list ...
00:00:00 116MB | node initialization done in 0:00.00 (multithreaded)
00:00:00 116MB | updating 13 nodes ...
00:00:00 116MB | /obj/arnold_light1: quad_light using 1 sample, 2 volume samples
00:00:00 116MB | scene bounds: (-5 0 -5) -> (5 4 5)
00:00:00 116MB | node update done in 0:00.00 (multithreaded)
00:00:00 116MB | [aov] parsing 1 output statements ...
00:00:00 116MB | [aov] registered driver: "/out/arnold1:exr:ipr_camera" (driver_exr)
00:00:00 116MB | [aov] * "RGBA" of type RGBA filtered by "/out/arnold1:gaussian_filter" (gaussian_filter)
00:00:00 116MB | [aov] done preparing 2 AOVs for 1 output to 1 driver (0 deep AOVs)
00:00:00 121MB | starting 64 bucket workers of size 64x64 ...
00:00:00 138MB | [accel] list_aggregate bvh4 done - 0:00.00 (wall time) - 3 prims, 1 key
00:00:00 140MB | [accel] polymesh bvh4 done - 0:00.00 (wall time) - 81 prims, 1 key
00:00:00 140MB | [accel] polymesh bvh4 done - 0:00.00 (wall time) - 6 prims, 1 key
00:00:00 140MB | 0% done - 427 rays/pixel
00:00:00 140MB | 5% done - 20 rays/pixel
00:00:00 140MB | 10% done - 97 rays/pixel
00:00:00 140MB | 15% done - 3 rays/pixel
00:00:00 141MB | 20% done - 31 rays/pixel
00:00:00 141MB | 25% done - 2 rays/pixel
00:00:00 141MB | 30% done - 31 rays/pixel
00:00:00 141MB | 35% done - 57 rays/pixel
00:00:00 141MB | 40% done - 3 rays/pixel
00:00:00 141MB | 45% done - 36 rays/pixel
00:00:00 141MB | 50% done - 12 rays/pixel
00:00:00 141MB | 55% done - 20 rays/pixel
00:00:00 141MB | 60% done - 27 rays/pixel
00:00:00 141MB | 65% done - 22 rays/pixel
00:00:00 141MB | 70% done - 14 rays/pixel
00:00:00 141MB | 75% done - 15 rays/pixel
00:00:00 141MB | 80% done - 37 rays/pixel
00:00:00 141MB | 85% done - 66 rays/pixel
00:00:00 141MB | 90% done - 2 rays/pixel
00:00:00 141MB | 100% done - 5 rays/pixel
00:00:00 141MB | render done in 0:00.109
00:00:00 141MB | [driver_exr] writing file `/Volumes/corpus/cps/10_misc/test.exr'
00:00:00 141MB | render done
00:00:00 141MB |
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | scene creation time 0:00.49 machine utilization (0.09%)
00:00:00 141MB | plugin loading 0:00.03
00:00:00 141MB | ass parsing 0:00.03
00:00:00 141MB | unaccounted 0:00.42
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | frame time 0:00.30 machine utilization (33.49%)
00:00:00 141MB | driver init/close 0:00.08
00:00:00 141MB | rendering 0:00.10
00:00:00 141MB | pixel rendering 0:00.10
00:00:00 141MB | unaccounted 0:00.10
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | top session self-times by category
00:00:00 141MB | worker waiting 0:00.11 (50.20%)
00:00:00 141MB | RenderBucket 0:00.03 (14.51%)
00:00:00 141MB | surface closure 0:00.02 ( 9.92%)
00:00:00 141MB | /obj/grid1/shopnet1/arnold_vopnet1/standard_surface1 0:00.02 ( 9.08%)
00:00:00 141MB | /obj/box1/shopnet1/arnold_vopnet1/standard_surface1 0:00.00 ( 0.84%)
00:00:00 141MB | AiLightsPrepare 0:00.01 ( 5.81%)
00:00:00 141MB | /obj/grid1/polygons 0:00.00 ( 4.36%)
00:00:00 141MB | /obj/box1/polygons 0:00.00 ( 1.45%)
00:00:00 141MB | standard_surface 0:00.00 ( 3.72%)
00:00:00 141MB | /obj/grid1/shopnet1/arnold_vopnet1/standard_surface1 0:00.00 ( 3.30%)
00:00:00 141MB | TraceCameraRay 0:00.00 ( 3.65%)
00:00:00 141MB | accumulateBucketSamples 0:00.00 ( 2.87%)
00:00:00 141MB | ray traversal+intersection 0:00.00 ( 2.10%)
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | top session self-times by node
00:00:00 141MB | worker waiting 0:00.11 (50.20%)
00:00:00 141MB | standard_surface:/obj/grid1/shopnet1/arnold_vopnet1/standard_surface1 0:00.03 (14.84%)
00:00:00 141MB | surface closure 0:00.02 ( 9.08%)
00:00:00 141MB | ray traversal+intersection 0:00.00 ( 1.49%)
00:00:00 141MB | AiMakeRay 0:00.00 ( 0.80%)
00:00:00 141MB | RenderBucket 0:00.03 (14.51%)
00:00:00 141MB | polymesh:/obj/grid1/polygons 0:00.01 ( 7.39%)
00:00:00 141MB | AiLightsPrepare 0:00.00 ( 4.36%)
00:00:00 141MB | thread blocked 0:00.00 ( 1.33%)
00:00:00 141MB | polymesh::intersect 0:00.00 ( 1.06%)
00:00:00 141MB | TraceCameraRay 0:00.00 ( 3.65%)
00:00:00 141MB | accumulateBucketSamples 0:00.00 ( 2.87%)
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | peak CPU memory used 711.37MB
00:00:00 141MB | at startup 65.39MB
00:00:00 141MB | plugins 5.07MB
00:00:00 141MB | AOV samples 15.61MB
00:00:00 141MB | output buffers 2.74MB
00:00:00 141MB | framebuffers 1.56MB
00:00:00 141MB | node overhead 0.01MB
00:00:00 141MB | message passing 0.13MB
00:00:00 141MB | memory pools 42.05MB
00:00:00 141MB | geometry 0.00MB
00:00:00 141MB | polymesh 0.00MB
00:00:00 141MB | accel structs 0.02MB
00:00:00 141MB | strings 24.25MB
00:00:00 141MB | profiler 0.13MB
00:00:00 141MB | unaccounted 554.42MB
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | ray counts ( /pixel, /sample) (% total) (avg. hits) (max hits)
00:00:00 141MB | camera 711080 ( 9.26, 1.00) ( 22.18%) ( 0.37) ( 1)
00:00:00 141MB | shadow 364041 ( 4.74, 0.51) ( 11.36%) ( 0.03) ( 1)
00:00:00 141MB | diffuse_reflect 1083632 ( 14.11, 1.52) ( 33.80%) ( 0.03) ( 1)
00:00:00 141MB | specular_reflect 1046987 ( 13.63, 1.47) ( 32.66%) ( 0.04) ( 1)
00:00:00 141MB | total 3205740 ( 41.74, 4.51) (100.00%) ( 0.11) ( 1)
00:00:00 141MB | by ray depth: 0 1 2
00:00:00 141MB | total 31.5% 67.0% 1.5%
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | shader calls ( /pixel, /sample) (% total)
00:00:00 141MB | primary 346514 ( 4.51, 0.49) (100.00%)
00:00:00 141MB | total 346514 ( 4.51, 0.49) (100.00%)
00:00:00 141MB | by ray depth: 0 1 2
00:00:00 141MB | total 75.8% 20.7% 3.6%
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | geometry (% hit ) (instances) ( init mem, final mem)
00:00:00 141MB | lists 1 (100.0%) ( 0) ( 0.00, 0.00)
00:00:00 141MB | polymeshes 3 (100.0%) ( 0) ( 0.00, 0.00)
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | geometric elements ( min) ( avg.) ( max)
00:00:00 141MB | polygons 88 ( 1) ( 29.3) ( 81)
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | triangle tessellation ( min) ( avg.) ( max) (/ element) (% total)
00:00:00 141MB | polymeshes 176 ( 2) ( 58.7) ( 162) ( 2.00) (100.00%)
00:00:00 141MB | unique triangles 176
00:00:00 141MB | CPU memory use 0.00MB
00:00:00 141MB | vertices 0.00MB
00:00:00 141MB | vertex indices 0.00MB
00:00:00 141MB | packed normals 0.00MB
00:00:00 141MB | normal indices 0.00MB
00:00:00 141MB | uv coords 0.00MB
00:00:00 141MB | uv coords idxs 0.00MB
00:00:00 141MB | uniform indices 0.00MB
00:00:00 141MB | userdata 0.00MB
00:00:00 141MB | largest polymeshes by triangle count
00:00:00 141MB | 162 tris -- /obj/grid1/polygons
00:00:00 141MB | 12 tris -- /obj/box1/polygons
00:00:00 141MB | 2 tris --
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | acceleration structures: (% total)
00:00:00 141MB | list 1 ( 25.00%)
00:00:00 141MB | bvh 3 ( 75.00%)
00:00:00 141MB | total 4 (100.00%)
00:00:00 141MB | -----------------------------------------------------------------------------------
00:00:00 141MB | [hick] renderUpdateHandler: update_type[AI_RENDER_UPDATE_FINISHED] status[AI_RENDER_STATUS_FINISHED] output_to_display[AI_DISPLAY_OUTPUT_ALL]
00:00:00 141MB | [hick] Exit code 0
00:00:00 141MB |
00:00:00 141MB | releasing resources
00:00:00 121MB | Arnold shutdown