Name Theory_2848-4555934-596_0
Workunit 231609668
Created 14 Apr 2025, 10:13:53 UTC
Sent 14 Apr 2025, 11:53:55 UTC
Report deadline 25 Apr 2025, 11:53:55 UTC
Received 15 Apr 2025, 11:58:30 UTC
Server state Over
Outcome Computation error
Client state Compute error
Exit status 1 (0x00000001) Unknown error code
Computer ID 10795592
Run time 24 sec
CPU time
Validate state Invalid
Credit 0.00
Device peak FLOPS 5.49 GFLOPS
Application version Theory Simulation v300.94 (vbox64_theory)
windows_x86_64
Peak working set size 7.06 MB
Peak swap size 1.78 MB
Peak disk usage 1.44 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
Incorrect function.
 (0x1) - exit code 1 (0x1)</message>
<stderr_txt>
2025-04-14 07:56:11 (41320): vboxwrapper version 26210
2025-04-14 07:56:11 (41320): BOINC client version: 8.0.2
2025-04-14 07:56:11 (41320): Detected: VirtualBox VboxManage Interface (Version: 7.0.6)
2025-04-14 07:56:12 (41320): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2025-04-14 07:56:12 (41320): Successfully copied 'init_data.xml' to the shared directory.
2025-04-14 07:56:12 (41320): Successfully copied 'input' to the shared directory.
2025-04-14 07:56:12 (41320): Create VM. (boinc_a9107aa73f360325, slot#2)
2025-04-14 07:56:12 (41320): Setting Memory Size for VM. (630MB)
2025-04-14 07:56:13 (41320): Setting CPU Count for VM. (1)
2025-04-14 07:56:13 (41320): Setting Chipset Options for VM.
2025-04-14 07:56:13 (41320): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2025-04-14 07:56:13 (41320): Setting Boot Options for VM.
2025-04-14 07:56:14 (41320): Setting Network Configuration for NAT. (Driver: virtio)
2025-04-14 07:56:14 (41320): Enabling VM Network Access.
2025-04-14 07:56:15 (41320): Disabling USB Support for VM.
2025-04-14 07:56:15 (41320): Disabling COM Port Support for VM.
2025-04-14 07:56:15 (41320): Disabling LPT Port Support for VM.
2025-04-14 07:56:15 (41320): Disabling Audio Support for VM.
2025-04-14 07:56:16 (41320): Disabling Clipboard Support for VM.
2025-04-14 07:56:16 (41320): Disabling Drag and Drop Support for VM.
2025-04-14 07:56:16 (41320): Adding storage controller(s) to VM.
2025-04-14 07:56:16 (41320): Adding virtual disk drive to VM. (Theory_2025_04_03_prod.vdi)
2025-04-14 07:56:21 (41320): Attempts: 4
2025-04-14 07:56:23 (41320): Adding VirtualBox Guest Additions to VM.
2025-04-14 07:56:24 (41320): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-04-14 07:56:24 (41320): forwarding host port 60799 to guest port 80
2025-04-14 07:56:24 (41320): Enabling remote desktop for VM.
2025-04-14 07:56:24 (41320): Required extension pack not installed, remote desktop not enabled.
2025-04-14 07:56:24 (41320): Enabling shared directory for VM.
2025-04-14 07:56:25 (41320): Starting VM using VBoxManage interface. (boinc_a9107aa73f360325, slot#2)
2025-04-14 07:56:26 (41320): Error in start VM for VM: 1
Command:
VBoxManage -q startvm "boinc_a9107aa73f360325" --type headless
Output:
VBoxManage.exe: error: The virtual machine 'boinc_a9107aa73f360325' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\ProgramData\BOINC\slots\2\boinc_a9107aa73f360325\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_a9107aa73f360325" to power on...

2025-04-14 07:56:26 (41320): VM failed to start.
2025-04-14 07:56:26 (41320): Could not start 
2025-04-14 07:56:26 (41320): ERROR: VM failed to start
2025-04-14 07:56:26 (41320): Powering off VM.
2025-04-14 07:56:26 (41320): Deregistering VM. (boinc_a9107aa73f360325, slot#2)
2025-04-14 07:56:26 (41320): Removing network bandwidth throttle group from VM.
2025-04-14 07:56:26 (41320): Removing VM from VirtualBox.

    Hypervisor System Log:

00:01:04.383503          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383509          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383515          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383521          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383527          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383532          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383539          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383544          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383550          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383556          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383563          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383573          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383581          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383869          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383885          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383892          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383898          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383904          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383910          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383916          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383922          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383928          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383934          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383940          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383945          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383951          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383958          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383964          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383969          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383975          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383988          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.383996          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={300763af-5d6b-46e6-aa96-273eac15538a} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:01:04.384108          Saving settings file "C:\Users\dpark\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:01:04.388702          Finished saving settings file "C:\Users\dpark\.VirtualBox\VirtualBox.xml"
00:01:04.388850          Saving settings file "C:\Users\dpark\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:01:04.391737          Finished saving settings file "C:\Users\dpark\.VirtualBox\VirtualBox.xml"
00:01:04.392818 DeleteVM Saving settings file "C:\Users\dpark\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:01:04.395820 DeleteVM Finished saving settings file "C:\Users\dpark\.VirtualBox\VirtualBox.xml"
00:01:09.409537 main     VirtualBox: object deletion starts
00:01:09.410611 main     HostDnsMonitor: shutting down ...
00:01:09.410645 main     HostDnsMonitor: shut down
00:01:09.411166 Watcher  ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={7682d5eb-f00e-44f1-8ca2-99d08b1cd607} aComponent={VirtualBoxWrap} aText={The object is not ready}, preserve=false aResultDetail=0
00:01:09.411384 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

eraddress=""
teleporterpassword=""
tracing-enabled="off"
tracing-allow-vm-access="off"
tracing-config=""
autostart-enabled="off"
autostart-delay=0
defaultfrontend=""
vmprocpriority="default"
natnet1="nat"
macaddress1="080027F07C20"
cableconnected1="on"
nic1="nat"
nictype1="82540EM"
nicspeed1="0"
mtu="0"
sockSnd="64"
sockRcv="64"
tcpWndSnd="64"
tcpWndRcv="64"
nic2="none"
nic3="none"
nic4="none"
nic5="none"
nic6="none"
nic7="none"
nic8="none"
hidpointing="ps2mouse"
hidkeyboard="ps2kbd"
uart1="off"
uart2="off"
uart3="off"
uart4="off"
lpt1="off"
lpt2="off"
audio="default"
audio_out="off"
audio_in="off"
clipboard="disabled"
draganddrop="disabled"
vrde="off"
usb="off"
ehci="off"
xhci="off"
recording_enabled="off"
recording_screens=1
 rec_screen0
rec_screen_enabled="on"
rec_screen_id=0
rec_screen_video_enabled="on"
rec_screen_audio_enabled="off"
rec_screen_dest="File"
rec_screen_dest_filename="C:\\ProgramData\\BOINC\\slots\\2\\boinc_a9107aa73f360325\\boinc_a9107aa73f360325-screen0.webm"
rec_screen_opts="vc_enabled=true,ac_enabled=false,ac_profile=med"
rec_screen_video_res_xy="1024x768"
rec_screen_video_rate_kbps=512
rec_screen_video_fps=25
description="Theory_2848-4555934-596_0"
GuestMemoryBalloon=0

2025-04-14 07:56:14 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on 
Exit Code: 0
Output:

2025-04-14 07:56:15 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --cable-connected1 on 
Exit Code: 0
Output:

2025-04-14 07:56:15 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --usb off 
Exit Code: 0
Output:

2025-04-14 07:56:15 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-04-14 07:56:15 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2025-04-14 07:56:16 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --audio-enabled off 
Exit Code: 0
Output:

2025-04-14 07:56:16 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --clipboard disabled 
Exit Code: 0
Output:

2025-04-14 07:56:16 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --draganddrop disabled 
Exit Code: 0
Output:

2025-04-14 07:56:16 (41320): 
Command: VBoxManage -q storagectl "boinc_a9107aa73f360325" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-04-14 07:56:21 (41320): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           1e3cee35-4ed8-40c2-9108-b352bcb83c50
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2429 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-04-14 07:56:22 (41320): 
Command: VBoxManage -q storageattach "boinc_a9107aa73f360325" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_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 785 of file VBoxManageStorageController.cpp

2025-04-14 07:56:22 (41320): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           1e3cee35-4ed8-40c2-9108-b352bcb83c50
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2429 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-04-14 07:56:22 (41320): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi" 
Exit Code: 0
Output:

2025-04-14 07:56:22 (41320): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           1e3cee35-4ed8-40c2-9108-b352bcb83c50
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_04_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2429 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-04-14 07:56:23 (41320): 
Command: VBoxManage -q storageattach "boinc_a9107aa73f360325" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" 
Exit Code: 0
Output:

2025-04-14 07:56:23 (41320): 
Command: VBoxManage -q storageattach "boinc_a9107aa73f360325" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2025-04-14 07:56:23 (41320): 
Command: VBoxManage -q storageattach "boinc_a9107aa73f360325" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_04_03_prod.vdi" 
Exit Code: 0
Output:

2025-04-14 07:56:24 (41320): 
Command: VBoxManage -q storageattach "boinc_a9107aa73f360325" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-04-14 07:56:24 (41320): 
Command: VBoxManage -q bandwidthctl "boinc_a9107aa73f360325" add "boinc_a9107aa73f360325_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-04-14 07:56:24 (41320): 
Command: VBoxManage -q modifyvm "boinc_a9107aa73f360325" --natpf1 ",tcp,127.0.0.1,60799,,80" 
Exit Code: 0
Output:

2025-04-14 07:56:24 (41320): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2025-04-14 07:56:25 (41320): 
Command: VBoxManage -q sharedfolder add "boinc_a9107aa73f360325" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\2/shared"
Exit Code: 0
Output:

2025-04-14 07:56:26 (41320): 
Command: VBoxManage -q startvm "boinc_a9107aa73f360325" --type headless
Exit Code: 1
Output:
VBoxManage.exe: error: The virtual machine 'boinc_a9107aa73f360325' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\ProgramData\BOINC\slots\2\boinc_a9107aa73f360325\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_a9107aa73f360325" to power on...

2025-04-14 07:56:26 (41320): 
Command: VBoxManage -q snapshot "boinc_a9107aa73f360325" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2025-04-14 07:56:26 (41320): 
Command: VBoxManage -q bandwidthctl "boinc_a9107aa73f360325" remove "boinc_a9107aa73f360325_net" 
Exit Code: 0
Output:

2025-04-14 07:56:26 (41320): 
Command: VBoxManage -q unregistervm "boinc_a9107aa73f360325" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-04-14 07:56:33 (41320): called boinc_finish(1)

</stderr_txt>
]]>


©2025 CERN