Name Theory_2814-3983414-38_0
Workunit 230358494
Created 14 Feb 2025, 21:01:30 UTC
Sent 15 Feb 2025, 12:47:07 UTC
Report deadline 26 Feb 2025, 12:47:07 UTC
Received 15 Feb 2025, 13:58:30 UTC
Server state Over
Outcome Computation error
Client state Compute error
Exit status 1 (0x00000001) Unknown error code
Computer ID 10695790
Run time 22 sec
CPU time
Validate state Invalid
Credit 0.00
Device peak FLOPS 4.26 GFLOPS
Application version Theory Simulation v300.60 (vbox64_theory)
windows_x86_64
Peak working set size 11.05 MB
Peak swap size 5.42 MB
Peak disk usage 1.07 MB

Stderr output

<core_client_version>8.0.4</core_client_version>
<![CDATA[
<message>
Incorrect function.
 (0x1) - exit code 1 (0x1)</message>
<stderr_txt>
2025-02-15 04:57:41 (10076): vboxwrapper version 26208
2025-02-15 04:57:41 (10076): BOINC client version: 8.0.4
2025-02-15 04:57:43 (10076): Detected: VirtualBox VboxManage Interface (Version: 7.1.4)
2025-02-15 04:57:44 (10076): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2025-02-15 04:57:44 (10076): Successfully copied 'init_data.xml' to the shared directory.
2025-02-15 04:57:44 (10076): Successfully copied 'input' to the shared directory.
2025-02-15 04:57:44 (10076): Create VM. (boinc_96c9e31471268801, slot#15)
2025-02-15 04:57:45 (10076): Setting Memory Size for VM. (630MB)
2025-02-15 04:57:45 (10076): Setting CPU Count for VM. (1)
2025-02-15 04:57:45 (10076): Setting Chipset Options for VM.
2025-02-15 04:57:46 (10076): Setting Graphics Controller Options for VM.
2025-02-15 04:57:46 (10076): Setting Boot Options for VM.
2025-02-15 04:57:46 (10076): Setting Network Configuration for NAT.
2025-02-15 04:57:47 (10076): Enabling VM Network Access.
2025-02-15 04:57:47 (10076): Disabling USB Support for VM.
2025-02-15 04:57:47 (10076): Disabling COM Port Support for VM.
2025-02-15 04:57:47 (10076): Disabling LPT Port Support for VM.
2025-02-15 04:57:48 (10076): Disabling Audio Support for VM.
2025-02-15 04:57:48 (10076): Disabling Clipboard Support for VM.
2025-02-15 04:57:48 (10076): Disabling Drag and Drop Support for VM.
2025-02-15 04:57:49 (10076): Adding storage controller(s) to VM.
2025-02-15 04:57:49 (10076): Adding virtual disk drive to VM. (Theory_2025_01_16_prod.vdi)
2025-02-15 04:57:52 (10076): Adding VirtualBox Guest Additions to VM.
2025-02-15 04:57:52 (10076): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-02-15 04:57:52 (10076): forwarding host port 55003 to guest port 80
2025-02-15 04:57:52 (10076): Enabling remote desktop for VM.
2025-02-15 04:57:53 (10076): Enabling shared directory for VM.
2025-02-15 04:57:54 (10076): Starting VM using VBoxManage interface. (boinc_96c9e31471268801, slot#15)
2025-02-15 04:57:56 (10076): Error in start VM for VM: 1
Command:
VBoxManage -q startvm "boinc_96c9e31471268801" --type headless
Output:
VBoxManage.exe: error: The virtual machine 'boinc_96c9e31471268801' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_96c9e31471268801" to power on...

2025-02-15 04:57:56 (10076): VM failed to start.
2025-02-15 04:57:56 (10076): Could not start 
2025-02-15 04:57:56 (10076): ERROR: VM failed to start
2025-02-15 04:57:56 (10076): Powering off VM.
2025-02-15 04:57:56 (10076): Deregistering VM. (boinc_96c9e31471268801, slot#15)
2025-02-15 04:57:56 (10076): Removing network bandwidth throttle group from VM.
2025-02-15 04:57:56 (10076): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:10.280042          Finished saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox"
00:00:10.485859          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.488760          Platform architecture set to 'x86'
00:00:10.492909          Saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox" with version "1.19-windows"
00:00:10.555014          Finished saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox"
00:00:10.779565          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.784291          Platform architecture set to 'x86'
00:00:10.789649          Saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox" with version "1.19-windows"
00:00:10.846677          Finished saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox"
00:00:11.351756          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:11.355986          Platform architecture set to 'x86'
00:00:11.360550          VRDE: Generating certificate files 'E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\VRDEAutoGeneratedCert.pem' and 'E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\VRDEAutoGeneratedPrivateKey.pem'...
00:00:11.482073          Saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox" with version "1.19-windows"
00:00:11.522108          Finished saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox"
00:00:11.898746          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:11.902218          Platform architecture set to 'x86'
00:00:11.904496          Saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox" with version "1.19-windows"
00:00:11.955461          Finished saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox"
00:00:12.177944          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:12.180787          Platform architecture set to 'x86'
00:00:12.185341          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={d644ad1e-c501-4fc7-9ab6-aa6d763bc540} aComponent={VirtualBoxWrap} aText={&#197;&#131;o extension pack providing a cryptographic support module could be found}, preserve=false aResultDetail=0
00:00:12.199390          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:12.199518          ERROR [COM]: aRC=VBOX_E_OBJECT_NOT_FOUND (0x80bb0001) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={No storage device attached to device slot 0 on port 2 of controller 'Hard Disk Controller'}, preserve=false aResultDetail=0
00:00:12.212258          WARNING [COM]: aRC=E_FAIL (0x80004005) aIID={d5dcece0-b202-4416-a138-03502784cc07} aComponent={HostWrap} aText={Could not load the Host USB Proxy Service (VERR_FILE_NOT_FOUND).  The service might not be installed on the host computer}, preserve=true aResultDetail=0
00:00:12.212401          WARNING [COM]: aRC=E_FAIL (0x80004005) aIID={d5dcece0-b202-4416-a138-03502784cc07} aComponent={HostWrap} aText={Could not load the Host USB Proxy Service (VERR_FILE_NOT_FOUND).  The service might not be installed on the host computer}, preserve=true aResultDetail=0
00:00:12.219906          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={bea3ef5c-de2f-4b74-aa3a-15d6249371a0} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:00:12.222358          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:12.452078          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:12.469189          Launched VM: 3603145264 pid: 1096 (0x448) frontend: headless name: boinc_96c9e31471268801
00:00:14.288395 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The virtual machine 'boinc_96c9e31471268801' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\Logs\VBoxHardening.log'}, preserve=false aResultDetail=0
00:00:14.289321 Watcher  Reaper: Pid 1096 (0x448) exited normally: 1 (0x1)
00:00:14.537165          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:14.539838          Platform architecture set to 'x86'
00:00:14.541640          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={SessionMachine} aText={This machine does not have any snapshots}, preserve=false aResultDetail=0
00:00:14.784367          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:14.787123          Platform architecture set to 'x86'
00:00:14.790060          Saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox" with version "1.19-windows"
00:00:14.817182          Finished saving settings file "E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\boinc_96c9e31471268801.vbox"
00:00:15.065401          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.066256          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:15.066367          Saving settings file "C:\Users\Allan\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.075789          Finished saving settings file "C:\Users\Allan\.VirtualBox\VirtualBox.xml"
00:00:15.075930          Saving settings file "C:\Users\Allan\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.082263          Finished saving settings file "C:\Users\Allan\.VirtualBox\VirtualBox.xml"
00:00:15.084041 DeleteVM Saving settings file "C:\Users\Allan\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:15.090436 DeleteVM Finished saving settings file "C:\Users\Allan\.VirtualBox\VirtualBox.xml"
00:00:20.094155 main     VirtualBox: object deletion starts
00:00:20.097203 main     HostDnsMonitor: shutting down ...
00:00:20.097254 main     HostDnsMonitor: shut down
00:00:20.098911 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={d644ad1e-c501-4fc7-9ab6-aa6d763bc540} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:00:20.099253 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

and: VBoxManage -q modifyvm "boinc_96c9e31471268801" --cpus 1 
Exit Code: 0
Output:

2025-02-15 04:57:46 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --acpi on --ioapic on --rtcuseutc off 
Exit Code: 0
Output:

2025-02-15 04:57:46 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --vram 16 --graphicscontroller VBoxVGA 
Exit Code: 0
Output:

2025-02-15 04:57:46 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --boot1 disk --boot2 dvd --boot3 none --boot4 none 
Exit Code: 0
Output:

2025-02-15 04:57:47 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --nic1 nat --natdnsproxy1 on --cableconnected1 off 
Exit Code: 0
Output:

2025-02-15 04:57:47 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --cableconnected1 on 
Exit Code: 0
Output:

2025-02-15 04:57:47 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --usb off 
Exit Code: 0
Output:

2025-02-15 04:57:47 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-02-15 04:57:48 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2025-02-15 04:57:48 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --audio-enabled off 
Exit Code: 0
Output:

2025-02-15 04:57:48 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --clipboard disabled 
Exit Code: 0
Output:

2025-02-15 04:57:49 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --draganddrop disabled 
Exit Code: 0
Output:

2025-02-15 04:57:49 (10076): 
Command: VBoxManage -q storagectl "boinc_96c9e31471268801" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-02-15 04:57:49 (10076): 
Command: VBoxManage -q showhdinfo "E:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_01_16_prod.vdi" 
Exit Code: 0
Output:
UUID:           6a4110e9-e559-4c1c-bfd2-ba6f6aaf4169
Parent UUID:    base
State:          created
Type:           multiattach
Location:       E:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_01_16_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   781 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-02-15 04:57:50 (10076): 
Command: VBoxManage -q storageattach "boinc_96c9e31471268801" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "E:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_01_16_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'E:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_01_16_prod.vdi': the media type 'MultiAttach' can only be attached to machines that were created with VirtualBox 4.0 or later
VBoxManage.exe: error: Details: code VBOX_E_INVALID_OBJECT_STATE (0x80bb0007), component SessionMachine, interface IMachine, callee IUnknown
VBoxManage.exe: error: Context: "AttachDevice(Bstr(pszCtl).raw(), port, device, DeviceType_HardDisk, pMedium2Mount)" at line 786 of file VBoxManageStorageController.cpp

2025-02-15 04:57:50 (10076): 
Command: VBoxManage -q showhdinfo "E:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_01_16_prod.vdi" 
Exit Code: 0
Output:
UUID:           6a4110e9-e559-4c1c-bfd2-ba6f6aaf4169
Parent UUID:    base
State:          created
Type:           multiattach
Location:       E:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_01_16_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   781 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-02-15 04:57:50 (10076): 
Command: VBoxManage -q closemedium disk "E:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_01_16_prod.vdi" 
Exit Code: 0
Output:

2025-02-15 04:57:50 (10076): 
Command: VBoxManage -q showhdinfo "E:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_01_16_prod.vdi" 
Exit Code: 0
Output:
UUID:           6a4110e9-e559-4c1c-bfd2-ba6f6aaf4169
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       E:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_01_16_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       20480 MBytes
Size on disk:   781 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-02-15 04:57:51 (10076): 
Command: VBoxManage -q storageattach "boinc_96c9e31471268801" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "E:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_01_16_prod.vdi" 
Exit Code: 0
Output:

2025-02-15 04:57:51 (10076): 
Command: VBoxManage -q storageattach "boinc_96c9e31471268801" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2025-02-15 04:57:52 (10076): 
Command: VBoxManage -q storageattach "boinc_96c9e31471268801" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "E:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_01_16_prod.vdi" 
Exit Code: 0
Output:

2025-02-15 04:57:52 (10076): 
Command: VBoxManage -q storageattach "boinc_96c9e31471268801" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-02-15 04:57:52 (10076): 
Command: VBoxManage -q bandwidthctl "boinc_96c9e31471268801" add "boinc_96c9e31471268801_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-02-15 04:57:52 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --natpf1 ",tcp,127.0.0.1,55003,,80" 
Exit Code: 0
Output:

2025-02-15 04:57:53 (10076): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 1
Pack no. 0:   Oracle VM VirtualBox Extension Pack
Version:        7.0.20
Revision:       163906
Edition:        
Description:    Oracle Cloud Infrastructure integration, Host Webcam, VirtualBox RDP, PXE ROM, Disk Encryption, NVMe, full VM encryption.
VRDE Module:    VBoxVRDP
Crypto Module:  VBoxPuelCrypto
Usable:         false
Why unusable:   VBoxExtPackRegister returned VERR_VERSION_MISMATCH, pReg=0000000000000000 ErrInfo='VirtualBox version mismatch - expected 7.0 got 7.1'

2025-02-15 04:57:53 (10076): 
Command: VBoxManage -q modifyvm "boinc_96c9e31471268801" --vrde on --vrdeextpack default --vrdeauthlibrary default --vrdeauthtype null --vrdeport 55004 --vrde-property "Security/Method=RDP" 
Exit Code: 0
Output:

2025-02-15 04:57:54 (10076): 
Command: VBoxManage -q sharedfolder add "boinc_96c9e31471268801" --name "shared" --hostpath "E:\ProgramData\BOINC\slots\15/shared"
Exit Code: 0
Output:

2025-02-15 04:57:56 (10076): 
Command: VBoxManage -q startvm "boinc_96c9e31471268801" --type headless
Exit Code: 1
Output:
VBoxManage.exe: error: The virtual machine 'boinc_96c9e31471268801' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'E:\ProgramData\BOINC\slots\15\boinc_96c9e31471268801\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_96c9e31471268801" to power on...

2025-02-15 04:57:56 (10076): 
Command: VBoxManage -q snapshot "boinc_96c9e31471268801" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2025-02-15 04:57:56 (10076): 
Command: VBoxManage -q bandwidthctl "boinc_96c9e31471268801" remove "boinc_96c9e31471268801_net" 
Exit Code: 0
Output:

2025-02-15 04:57:57 (10076): 
Command: VBoxManage -q unregistervm "boinc_96c9e31471268801" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-02-15 04:58:02 (10076): called boinc_finish(1)

</stderr_txt>
]]>


©2025 CERN