Name Theory_2922-4876940-80_0
Workunit 233566158
Created 10 Jul 2025, 15:21:17 UTC
Sent 10 Jul 2025, 19:08:39 UTC
Report deadline 21 Jul 2025, 19:08:39 UTC
Received 10 Jul 2025, 20:20:18 UTC
Server state Over
Outcome Computation error
Client state Compute error
Exit status 1 (0x00000001) Unknown error code
Computer ID 10842329
Run time 18 sec
CPU time
Validate state Invalid
Credit 0.00
Device peak FLOPS 5.31 GFLOPS
Application version Theory Simulation v300.98 (vbox64_theory)
windows_x86_64
Peak working set size 8.16 MB
Peak swap size 1.85 MB
Peak disk usage 1.12 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
Incorrect function.
 (0x1) - exit code 1 (0x1)</message>
<stderr_txt>
2025-07-10 20:09:32 (18600): vboxwrapper version 26210
2025-07-10 20:09:32 (18600): BOINC client version: 8.0.2
2025-07-10 20:09:32 (18600): Detected: VirtualBox VboxManage Interface (Version: 7.1.8)
2025-07-10 20:09:33 (18600): Detected: Heartbeat check (file: 'heartbeat' every 1800.000000 seconds)
2025-07-10 20:09:33 (18600): Successfully copied 'init_data.xml' to the shared directory.
2025-07-10 20:09:33 (18600): Successfully copied 'input' to the shared directory.
2025-07-10 20:09:33 (18600): Create VM. (boinc_67d46b405feff684, slot#8)
2025-07-10 20:09:33 (18600): Setting Memory Size for VM. (630MB)
2025-07-10 20:09:34 (18600): Setting CPU Count for VM. (1)
2025-07-10 20:09:34 (18600): Setting Chipset Options for VM.
2025-07-10 20:09:34 (18600): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2025-07-10 20:09:35 (18600): Setting Boot Options for VM.
2025-07-10 20:09:35 (18600): Setting Network Configuration for NAT. (Driver: virtio)
2025-07-10 20:09:35 (18600): Enabling VM Network Access.
2025-07-10 20:09:36 (18600): Disabling USB Support for VM.
2025-07-10 20:09:36 (18600): Disabling COM Port Support for VM.
2025-07-10 20:09:36 (18600): Disabling LPT Port Support for VM.
2025-07-10 20:09:36 (18600): Disabling Audio Support for VM.
2025-07-10 20:09:37 (18600): Disabling Clipboard Support for VM.
2025-07-10 20:09:37 (18600): Disabling Drag and Drop Support for VM.
2025-07-10 20:09:37 (18600): Adding storage controller(s) to VM.
2025-07-10 20:09:37 (18600): Adding virtual disk drive to VM. (Theory_2025_07_03_prod.vdi)
2025-07-10 20:09:40 (18600): Adding VirtualBox Guest Additions to VM.
2025-07-10 20:09:40 (18600): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2025-07-10 20:09:40 (18600): forwarding host port 53788 to guest port 80
2025-07-10 20:09:40 (18600): Enabling remote desktop for VM.
2025-07-10 20:09:41 (18600): Required extension pack not installed, remote desktop not enabled.
2025-07-10 20:09:41 (18600): Enabling shared directory for VM.
2025-07-10 20:09:41 (18600): Starting VM using VBoxManage interface. (boinc_67d46b405feff684, slot#8)
2025-07-10 20:09:43 (18600): Error in start VM for VM: 1
Command:
VBoxManage -q startvm "boinc_67d46b405feff684" --type headless
Output:
VBoxManage.exe: error: The virtual machine 'boinc_67d46b405feff684' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_67d46b405feff684" to power on...

2025-07-10 20:09:43 (18600): VM failed to start.
2025-07-10 20:09:43 (18600): Could not start 
2025-07-10 20:09:43 (18600): ERROR: VM failed to start
2025-07-10 20:09:43 (18600): Powering off VM.
2025-07-10 20:09:43 (18600): Deregistering VM. (boinc_67d46b405feff684, slot#8)
2025-07-10 20:09:43 (18600): Removing network bandwidth throttle group from VM.
2025-07-10 20:09:43 (18600): Removing VM from VirtualBox.

    Hypervisor System Log:

00:00:07.625447          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:07.625506          Saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:07.627722          Finished saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml"
00:00:07.628185          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox" with version "1.19-windows"
00:00:07.630743          Finished saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox"
00:00:07.875652          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:07.876606          Platform architecture set to 'x86'
00:00:07.877795          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox" with version "1.19-windows"
00:00:07.880069          Finished saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox"
00:00:08.129154          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:08.130287          Platform architecture set to 'x86'
00:00:08.131852          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox" with version "1.19-windows"
00:00:08.134194          Finished saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox"
00:00:08.654587          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:08.655188          Platform architecture set to 'x86'
00:00:08.656086          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox" with version "1.19-windows"
00:00:08.657764          Finished saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox"
00:00:08.933393          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:08.934672          Platform architecture set to 'x86'
00:00:08.937212          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
00:00:08.943494          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
00:00:08.943610          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
00:00:08.948129          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
00:00:08.948269          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
00:00:08.950480          ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={bea3ef5c-de2f-4b74-aa3a-15d6249371a0} aComponent={RecordingSettingsWrap} aText={Recording not started}, preserve=false aResultDetail=0
00:00:08.951383          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
00:00:09.196390          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:09.203173          Launched VM: 123335120 pid: 37516 (0x928c) frontend: headless name: boinc_67d46b405feff684
00:00:10.568463 Watcher  ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The virtual machine 'boinc_67d46b405feff684' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\Logs\VBoxHardening.log'}, preserve=false aResultDetail=0
00:00:10.568910 Watcher  Reaper: Pid 37516 (0x928c) exited normally: 1 (0x1)
00:00:10.625006          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.626441          Platform architecture set to 'x86'
00:00:10.627690          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
00:00:10.684649          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.685646          Platform architecture set to 'x86'
00:00:10.687197          Saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox" with version "1.19-windows"
00:00:10.689751          Finished saving settings file "C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\boinc_67d46b405feff684.vbox"
00:00:10.945025          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.945466          ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={e36a5081-a82a-40bd-9e4e-42a44d6ce50f} aComponent={MachineWrap} aText={The object functionality is limited}, preserve=false aResultDetail=0
00:00:10.945559          Saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:10.947765          Finished saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml"
00:00:10.947864          Saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:10.950214          Finished saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml"
00:00:10.951199 DeleteVM Saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml" with version "1.12-windows"
00:00:10.954982 DeleteVM Finished saving settings file "C:\Users\stuar\.VirtualBox\VirtualBox.xml"
00:00:15.432511 dns-monitor HostDnsMonitor: updating information
00:00:15.432550 dns-monitor HostDnsMonitor: unchanged
00:00:15.969104 main     VirtualBox: object deletion starts
00:00:15.969758 main     HostDnsMonitor: shutting down ...
00:00:15.969794 main     HostDnsMonitor: shut down
00:00:15.971044 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
00:00:15.971450 main     VirtualBox: object deleted

    VM Execution Log:


    VM Startup Log:


    VM Trace Log:

f"
tracing-allow-vm-access="off"
tracing-config=""
autostart-enabled="off"
autostart-delay=0
defaultfrontend=""
vmprocpriority="default"
natnet1="nat"
macaddress1="080027CE1587"
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"
clipboard_file_transfers="off"
draganddrop="disabled"
vrde="off"
usb="off"
ehci="off"
xhci="off"
recording_started="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\\8\\boinc_67d46b405feff684\\boinc_67d46b405feff684-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_2922-4876940-80_0"
GuestMemoryBalloon=0

2025-07-10 20:09:35 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --nic1 nat --nic-type1 "virtio" --cable-connected1 off --nat-dns-proxy1 on 
Exit Code: 0
Output:

2025-07-10 20:09:36 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --cable-connected1 on 
Exit Code: 0
Output:

2025-07-10 20:09:36 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --usb off 
Exit Code: 0
Output:

2025-07-10 20:09:36 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --uart1 off --uart2 off 
Exit Code: 0
Output:

2025-07-10 20:09:36 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --lpt1 off --lpt2 off 
Exit Code: 0
Output:

2025-07-10 20:09:37 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --audio-enabled off 
Exit Code: 0
Output:

2025-07-10 20:09:37 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --clipboard disabled 
Exit Code: 0
Output:

2025-07-10 20:09:37 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --draganddrop disabled 
Exit Code: 0
Output:

2025-07-10 20:09:37 (18600): 
Command: VBoxManage -q storagectl "boinc_67d46b405feff684" --name "Hard Disk Controller" --add "sata" --controller "IntelAHCI" --hostiocache off --portcount 3
Exit Code: 0
Output:

2025-07-10 20:09:38 (18600): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_07_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           93ef7340-8636-46d8-8751-a7cb0c80413d
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_07_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-07-10 20:09:38 (18600): 
Command: VBoxManage -q storageattach "boinc_67d46b405feff684" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_07_03_prod.vdi" 
Exit Code: -2135228409
Output:
VBoxManage.exe: error: Cannot attach medium 'C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_07_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 786 of file VBoxManageStorageController.cpp

2025-07-10 20:09:38 (18600): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_07_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           93ef7340-8636-46d8-8751-a7cb0c80413d
Parent UUID:    base
State:          created
Type:           multiattach
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_07_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-07-10 20:09:38 (18600): 
Command: VBoxManage -q closemedium disk "C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_07_03_prod.vdi" 
Exit Code: 0
Output:

2025-07-10 20:09:39 (18600): 
Command: VBoxManage -q showhdinfo "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_07_03_prod.vdi" 
Exit Code: 0
Output:
UUID:           93ef7340-8636-46d8-8751-a7cb0c80413d
Parent UUID:    base
State:          created
Type:           normal (base)
Location:       C:\ProgramData\BOINC\projects\lhcathome.cern.ch_lhcathome\Theory_2025_07_03_prod.vdi
Storage format: VDI
Format variant: dynamic default
Capacity:       10240 MBytes
Size on disk:   2847 MBytes
Encryption:     disabled
Property:       AllocationBlockSize=1048576

2025-07-10 20:09:39 (18600): 
Command: VBoxManage -q storageattach "boinc_67d46b405feff684" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_07_03_prod.vdi" 
Exit Code: 0
Output:

2025-07-10 20:09:39 (18600): 
Command: VBoxManage -q storageattach "boinc_67d46b405feff684" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --medium none 
Exit Code: 0
Output:

2025-07-10 20:09:40 (18600): 
Command: VBoxManage -q storageattach "boinc_67d46b405feff684" --storagectl "Hard Disk Controller" --port 0 --device 0 --type hdd --mtype multiattach --medium "C:\ProgramData\BOINC/projects/lhcathome.cern.ch_lhcathome/Theory_2025_07_03_prod.vdi" 
Exit Code: 0
Output:

2025-07-10 20:09:40 (18600): 
Command: VBoxManage -q storageattach "boinc_67d46b405feff684" --storagectl "Hard Disk Controller" --port 1 --device 0 --type dvddrive --medium "C:\Program Files\Oracle\VirtualBox/VBoxGuestAdditions.iso" 
Exit Code: 0
Output:

2025-07-10 20:09:40 (18600): 
Command: VBoxManage -q bandwidthctl "boinc_67d46b405feff684" add "boinc_67d46b405feff684_net" --type network --limit 1024G 
Exit Code: 0
Output:

2025-07-10 20:09:40 (18600): 
Command: VBoxManage -q modifyvm "boinc_67d46b405feff684" --natpf1 ",tcp,127.0.0.1,53788,,80" 
Exit Code: 0
Output:

2025-07-10 20:09:41 (18600): 
Command: VBoxManage -q list extpacks
Exit Code: 0
Output:
Extension Packs: 0

2025-07-10 20:09:41 (18600): 
Command: VBoxManage -q sharedfolder add "boinc_67d46b405feff684" --name "shared" --hostpath "C:\ProgramData\BOINC\slots\8/shared"
Exit Code: 0
Output:

2025-07-10 20:09:43 (18600): 
Command: VBoxManage -q startvm "boinc_67d46b405feff684" --type headless
Exit Code: 1
Output:
VBoxManage.exe: error: The virtual machine 'boinc_67d46b405feff684' has terminated unexpectedly during startup with exit code 1 (0x1).  More details may be available in 'C:\ProgramData\BOINC\slots\8\boinc_67d46b405feff684\Logs\VBoxHardening.log'
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component MachineWrap, interface IMachine
Waiting for VM "boinc_67d46b405feff684" to power on...

2025-07-10 20:09:43 (18600): 
Command: VBoxManage -q snapshot "boinc_67d46b405feff684" list 
Exit Code: -108
Output:
This machine does not have any snapshots

2025-07-10 20:09:43 (18600): 
Command: VBoxManage -q bandwidthctl "boinc_67d46b405feff684" remove "boinc_67d46b405feff684_net" 
Exit Code: 0
Output:

2025-07-10 20:09:43 (18600): 
Command: VBoxManage -q unregistervm "boinc_67d46b405feff684" --delete 
Exit Code: 0
Output:
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

2025-07-10 20:09:48 (18600): called boinc_finish(1)

</stderr_txt>
]]>


©2025 CERN