./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:51:16,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:51:16,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 22:51:16,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:51:16,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:51:16,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:51:16,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:51:16,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:51:16,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:51:16,160 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:51:16,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:51:16,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:51:16,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:51:16,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:51:16,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:51:16,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:51:16,164 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:51:16,164 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:51:16,164 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:51:16,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:51:16,164 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:51:16,164 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:51:16,164 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:51:16,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:51:16,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:51:16,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:51:16,166 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e477555710806f589e2df4355d107ec5094f895ba0eeca2a28a6fd25b09e9340 [2024-11-23 22:51:16,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:51:16,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:51:16,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:51:16,513 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:51:16,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:51:16,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-23 22:51:19,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/data/eea39b9c5/b2ee40e3e157480e9a177ab202c6b0cb/FLAGf32ebe0f0 [2024-11-23 22:51:20,259 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:51:20,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-23 22:51:20,326 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/data/eea39b9c5/b2ee40e3e157480e9a177ab202c6b0cb/FLAGf32ebe0f0 [2024-11-23 22:51:20,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/data/eea39b9c5/b2ee40e3e157480e9a177ab202c6b0cb [2024-11-23 22:51:20,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:51:20,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:51:20,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:51:20,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:51:20,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:51:20,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:51:20" (1/1) ... [2024-11-23 22:51:20,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7644341c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:20, skipping insertion in model container [2024-11-23 22:51:20,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:51:20" (1/1) ... [2024-11-23 22:51:20,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:51:26,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:51:26,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:51:26,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-23 22:51:26,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-23 22:51:26,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-23 22:51:26,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2024-11-23 22:51:26,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2024-11-23 22:51:26,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:51:26,995 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:51:26,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26 WrapperNode [2024-11-23 22:51:26,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:51:26,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:51:26,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:51:26,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:51:27,004 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,170 INFO L138 Inliner]: procedures = 1354, calls = 1464, calls flagged for inlining = 353, calls inlined = 20, statements flattened = 344 [2024-11-23 22:51:27,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:51:27,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:51:27,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:51:27,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:51:27,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,232 INFO L175 MemorySlicer]: Split 51 memory accesses to 7 slices as follows [2, 1, 31, 5, 4, 3, 5]. 61 percent of accesses are in the largest equivalence class. The 43 initializations are split as follows [2, 1, 31, 0, 4, 3, 2]. The 4 writes are split as follows [0, 0, 0, 2, 0, 0, 2]. [2024-11-23 22:51:27,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,233 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,267 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,272 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,292 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:51:27,307 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:51:27,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:51:27,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:51:27,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (1/1) ... [2024-11-23 22:51:27,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:51:27,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:51:27,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:51:27,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:51:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-23 22:51:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-23 22:51:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-23 22:51:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-23 22:51:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-23 22:51:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-23 22:51:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-23 22:51:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-23 22:51:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-23 22:51:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-23 22:51:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:51:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:51:27,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-23 22:51:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_write_nvram [2024-11-23 22:51:27,389 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_write_nvram [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-23 22:51:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-23 22:51:27,393 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 22:51:27,867 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:51:27,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:51:28,468 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:51:28,468 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:51:29,062 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:51:29,062 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 22:51:29,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:51:29 BoogieIcfgContainer [2024-11-23 22:51:29,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:51:29,065 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:51:29,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:51:29,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:51:29,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:51:20" (1/3) ... [2024-11-23 22:51:29,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630c199e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:51:29, skipping insertion in model container [2024-11-23 22:51:29,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:51:26" (2/3) ... [2024-11-23 22:51:29,073 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630c199e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:51:29, skipping insertion in model container [2024-11-23 22:51:29,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:51:29" (3/3) ... [2024-11-23 22:51:29,074 INFO L128 eAbstractionObserver]: Analyzing ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i [2024-11-23 22:51:29,090 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:51:29,094 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_generic_nvram_nvram_unlocked_ioctl_write_nvram.i that has 3 procedures, 26 locations, 1 initial locations, 1 loop locations, and 0 error locations. [2024-11-23 22:51:29,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630c199e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:51:29, skipping insertion in model container [2024-11-23 22:51:29,095 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:51:29,096 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:51:29,096 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:51:29,096 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:51:29,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:51:29" (3/3) ... [2024-11-23 22:51:29,101 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:51:29,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_write_nvram [2024-11-23 22:51:29,104 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_nvram_unlocked_ioctl [2024-11-23 22:51:29,112 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 162 nodes and edges [2024-11-23 22:51:29,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-23 22:51:29,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2024-11-23 22:51:29,114 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 22:51:29,114 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:51:29,114 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 22:51:29,231 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:51:29,232 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:51:29,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:51:29,236 INFO L158 Benchmark]: Toolchain (without parser) took 8881.18ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 108.6MB in the beginning and 181.4MB in the end (delta: -72.8MB). Peak memory consumption was 185.3MB. Max. memory is 16.1GB. [2024-11-23 22:51:29,236 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:51:29,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6642.17ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 108.6MB in the beginning and 190.5MB in the end (delta: -82.0MB). Peak memory consumption was 183.0MB. Max. memory is 16.1GB. [2024-11-23 22:51:29,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.89ms. Allocated memory is still 402.7MB. Free memory was 190.5MB in the beginning and 181.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:51:29,237 INFO L158 Benchmark]: Boogie Preprocessor took 131.58ms. Allocated memory is still 402.7MB. Free memory was 181.4MB in the beginning and 176.1MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:51:29,238 INFO L158 Benchmark]: RCFGBuilder took 1755.99ms. Allocated memory is still 402.7MB. Free memory was 176.1MB in the beginning and 189.8MB in the end (delta: -13.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-23 22:51:29,239 INFO L158 Benchmark]: TraceAbstraction took 30.39ms. Allocated memory is still 402.7MB. Free memory was 189.8MB in the beginning and 187.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:51:29,239 INFO L158 Benchmark]: Witness Printer took 136.96ms. Allocated memory is still 402.7MB. Free memory was 187.7MB in the beginning and 181.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:51:29,241 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6642.17ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 108.6MB in the beginning and 190.5MB in the end (delta: -82.0MB). Peak memory consumption was 183.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.89ms. Allocated memory is still 402.7MB. Free memory was 190.5MB in the beginning and 181.4MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.58ms. Allocated memory is still 402.7MB. Free memory was 181.4MB in the beginning and 176.1MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1755.99ms. Allocated memory is still 402.7MB. Free memory was 176.1MB in the beginning and 189.8MB in the end (delta: -13.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 30.39ms. Allocated memory is still 402.7MB. Free memory was 189.8MB in the beginning and 187.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 136.96ms. Allocated memory is still 402.7MB. Free memory was 187.7MB in the beginning and 181.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-23 22:51:29,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa92758e-d03c-4040-8837-fbda69383536/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE