./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-05 17:21:04,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-05 17:21:04,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-05 17:21:04,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-05 17:21:04,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-05 17:21:04,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-05 17:21:04,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-05 17:21:04,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-05 17:21:04,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-05 17:21:04,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-05 17:21:04,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-05 17:21:04,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-05 17:21:04,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-05 17:21:04,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-05 17:21:04,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-05 17:21:04,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-05 17:21:04,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-05 17:21:04,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-05 17:21:04,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-05 17:21:04,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-05 17:21:04,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-05 17:21:04,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-05 17:21:04,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-05 17:21:04,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-05 17:21:04,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-05 17:21:04,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-05 17:21:04,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-05 17:21:04,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-05 17:21:04,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-05 17:21:04,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-05 17:21:04,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-05 17:21:04,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-05 17:21:04,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-05 17:21:04,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-05 17:21:04,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-05 17:21:04,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-05 17:21:04,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-05 17:21:04,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-05 17:21:04,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-05 17:21:04,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-05 17:21:04,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-05 17:21:04,287 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-05 17:21:04,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-05 17:21:04,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-05 17:21:04,314 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-05 17:21:04,314 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-05 17:21:04,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-05 17:21:04,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-05 17:21:04,316 INFO L138 SettingsManager]: * Use SBE=true [2021-11-05 17:21:04,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-05 17:21:04,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-05 17:21:04,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-05 17:21:04,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-05 17:21:04,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-05 17:21:04,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-05 17:21:04,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-05 17:21:04,319 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-05 17:21:04,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-05 17:21:04,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-05 17:21:04,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-05 17:21:04,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-05 17:21:04,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 17:21:04,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-05 17:21:04,320 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-05 17:21:04,320 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-05 17:21:04,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-05 17:21:04,320 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-05 17:21:04,320 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-05 17:21:04,320 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-05 17:21:04,321 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-05 17:21:04,321 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-05 17:21:04,321 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-11-05 17:21:04,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-05 17:21:04,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-05 17:21:04,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-05 17:21:04,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-05 17:21:04,639 INFO L275 PluginConnector]: CDTParser initialized [2021-11-05 17:21:04,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-05 17:21:04,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e80b83fd/0fe577959da041b5b64279a47e075ed9/FLAG6049407a8 [2021-11-05 17:21:05,319 INFO L306 CDTParser]: Found 1 translation units. [2021-11-05 17:21:05,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-05 17:21:05,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e80b83fd/0fe577959da041b5b64279a47e075ed9/FLAG6049407a8 [2021-11-05 17:21:05,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e80b83fd/0fe577959da041b5b64279a47e075ed9 [2021-11-05 17:21:05,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-05 17:21:05,487 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-05 17:21:05,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-05 17:21:05,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-05 17:21:05,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-05 17:21:05,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:21:05" (1/1) ... [2021-11-05 17:21:05,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b05fa9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:05, skipping insertion in model container [2021-11-05 17:21:05,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 05:21:05" (1/1) ... [2021-11-05 17:21:05,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-05 17:21:05,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-05 17:21:06,197 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-05 17:21:08,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 17:21:08,244 INFO L203 MainTranslator]: Completed pre-run [2021-11-05 17:21:08,304 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-05 17:21:08,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-05 17:21:08,698 INFO L208 MainTranslator]: Completed translation [2021-11-05 17:21:08,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08 WrapperNode [2021-11-05 17:21:08,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-05 17:21:08,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-05 17:21:08,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-05 17:21:08,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-05 17:21:08,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:08,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:26,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-05 17:21:26,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-05 17:21:26,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-05 17:21:26,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-05 17:21:26,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:26,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:28,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:28,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:32,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:33,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:33,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:35,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-05 17:21:35,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-05 17:21:35,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-05 17:21:35,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-05 17:21:35,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (1/1) ... [2021-11-05 17:21:35,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-05 17:21:36,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-05 17:21:36,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-05 17:21:36,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-05 17:21:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-05 17:21:36,076 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-05 17:21:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-11-05 17:21:36,077 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-11-05 17:21:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-05 17:21:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-05 17:21:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-05 17:21:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-05 17:21:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-05 17:21:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-05 17:21:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-11-05 17:21:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-11-05 17:21:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-05 17:21:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-05 17:21:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-05 17:21:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-05 17:21:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-05 17:21:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-05 17:21:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-05 17:21:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-11-05 17:21:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-11-05 17:21:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-05 17:21:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-05 17:21:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-05 17:21:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-05 17:21:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-05 17:21:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-05 17:21:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-05 17:21:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-05 17:21:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-05 17:21:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-05 17:21:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-05 17:21:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-05 17:21:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-05 17:21:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-05 17:21:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-11-05 17:21:36,082 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-11-05 17:21:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-05 17:21:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-05 17:21:36,082 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-05 17:21:36,083 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-05 17:30:18,414 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-81: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-05 17:30:18,414 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-80: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-05 17:30:18,414 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-83: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-05 17:30:18,414 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-82: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-05 17:30:18,414 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-85: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-05 17:30:18,415 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-84: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-05 17:30:18,415 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-87: __copy_from_user_#t~ret121 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret121 && __copy_from_user_#t~ret121 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret121;havoc __copy_from_user_#t~ret121; [2021-11-05 17:30:18,415 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-86: __copy_from_user_#t~ret120 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret120 && __copy_from_user_#t~ret120 <= 9223372036854775807;__copy_from_user_~tmp___0~7 := __copy_from_user_#t~ret120;havoc __copy_from_user_#t~ret120; [2021-11-05 17:30:18,415 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-89: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-05 17:30:18,415 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-88: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-05 17:30:18,415 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-91: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-05 17:30:18,415 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-90: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-1: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-3: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-5: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-7: __copy_from_user_#t~ret122 := copy_user_generic_#res;__copy_from_user_~tmp___2~1 := __copy_from_user_#t~ret122;havoc __copy_from_user_#t~ret122;__copy_from_user_#res := (if __copy_from_user_~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-9: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-11: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch119; [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 4 == __copy_from_user_~size; [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,416 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 8 == __copy_from_user_~size; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 10 == __copy_from_user_~size; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch119;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 16 == __copy_from_user_~size; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume 0 != __copy_from_user_~tmp___0~7;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume !(0 != __copy_from_user_~tmp___0~7);__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch119;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,417 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := true; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch119;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch119; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-1: havoc __copy_to_user_#t~switch124; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc __copy_to_user_#t~switch124; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-3: havoc __copy_to_user_#t~switch124; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-2: havoc __copy_to_user_#t~switch124; [2021-11-05 17:30:18,418 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-4: havoc __copy_to_user_#t~switch124; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-2: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-1: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-4: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-05 17:30:18,419 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-3: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-2: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-1: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-4: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,420 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-3: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-2: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-1: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,421 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-4: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-3: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-2: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,422 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-1: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-4: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-3: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,423 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-2: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-2: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-1: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-1: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-4: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-4: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-3: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,424 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-3: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-2: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-1: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-4: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,425 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-3: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-2: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-2: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-1: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-1: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,426 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-4: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-4: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-3: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-3: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !__copy_to_user_#t~switch124; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-2: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-2: assume !__copy_to_user_#t~switch124; [2021-11-05 17:30:18,427 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-1: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-05 17:30:18,428 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-1: assume !__copy_to_user_#t~switch124; [2021-11-05 17:30:18,428 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-4: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-05 17:30:18,428 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-4: assume !__copy_to_user_#t~switch124; [2021-11-05 17:30:18,428 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-3: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-05 17:30:18,428 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-3: assume !__copy_to_user_#t~switch124; [2021-11-05 17:30:18,445 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41377: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 2 == __copy_from_user_~size; [2021-11-05 17:30:18,446 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41376: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-05 17:30:18,446 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41416: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-05 17:30:18,446 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41415: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,446 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41452: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-05 17:30:18,446 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41451: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,447 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41252: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-05 17:30:18,447 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41251: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,447 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41300: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,448 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41301: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-05 17:30:18,448 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41353: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-05 17:30:18,448 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41354: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-05 17:30:18,668 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-05 17:30:18,668 INFO L299 CfgBuilder]: Removed 66027 assume(true) statements. [2021-11-05 17:30:18,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:30:18 BoogieIcfgContainer [2021-11-05 17:30:18,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-05 17:30:18,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-05 17:30:18,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-05 17:30:18,721 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-05 17:30:18,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 05:21:05" (1/3) ... [2021-11-05 17:30:18,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3d6725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:30:18, skipping insertion in model container [2021-11-05 17:30:18,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 05:21:08" (2/3) ... [2021-11-05 17:30:18,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3d6725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 05:30:18, skipping insertion in model container [2021-11-05 17:30:18,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 05:30:18" (3/3) ... [2021-11-05 17:30:18,723 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-05 17:30:18,727 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-05 17:30:18,727 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-11-05 17:30:18,878 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-05 17:30:18,882 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-05 17:30:18,883 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-05 17:30:19,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 66578 states, 66030 states have (on average 1.5273966378918673) internal successors, (100854), 66115 states have internal predecessors, (100854), 505 states have call successors, (505), 11 states have call predecessors, (505), 11 states have return successors, (505), 471 states have call predecessors, (505), 505 states have call successors, (505) [2021-11-05 17:30:19,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-05 17:30:19,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:30:19,785 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:30:19,786 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-05 17:30:19,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:30:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash -237195783, now seen corresponding path program 1 times [2021-11-05 17:30:19,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:30:19,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734571245] [2021-11-05 17:30:19,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:30:19,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:30:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:30:20,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:30:20,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:30:20,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734571245] [2021-11-05 17:30:20,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734571245] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:30:20,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:30:20,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:30:20,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338853012] [2021-11-05 17:30:20,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:30:20,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:30:20,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:30:20,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:30:20,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:30:20,572 INFO L87 Difference]: Start difference. First operand has 66578 states, 66030 states have (on average 1.5273966378918673) internal successors, (100854), 66115 states have internal predecessors, (100854), 505 states have call successors, (505), 11 states have call predecessors, (505), 11 states have return successors, (505), 471 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:30:23,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:30:23,434 INFO L93 Difference]: Finished difference Result 140899 states and 215658 transitions. [2021-11-05 17:30:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:30:23,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-11-05 17:30:23,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:30:23,789 INFO L225 Difference]: With dead ends: 140899 [2021-11-05 17:30:23,789 INFO L226 Difference]: Without dead ends: 74303 [2021-11-05 17:30:24,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.42ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:30:24,079 INFO L933 BasicCegarLoop]: 101860 mSDtfsCounter, 11964 mSDsluCounter, 101741 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 122.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11964 SdHoareTripleChecker+Valid, 203601 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 280.15ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 141.38ms IncrementalHoareTripleChecker+Time [2021-11-05 17:30:24,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11964 Valid, 203601 Invalid, 38 Unknown, 0 Unchecked, 280.15ms Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 141.38ms Time] [2021-11-05 17:30:24,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74303 states. [2021-11-05 17:30:25,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74303 to 74271. [2021-11-05 17:30:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74271 states, 73668 states have (on average 1.5280718901015367) internal successors, (112570), 73773 states have internal predecessors, (112570), 550 states have call successors, (550), 22 states have call predecessors, (550), 22 states have return successors, (550), 504 states have call predecessors, (550), 550 states have call successors, (550) [2021-11-05 17:30:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74271 states to 74271 states and 113670 transitions. [2021-11-05 17:30:26,592 INFO L78 Accepts]: Start accepts. Automaton has 74271 states and 113670 transitions. Word has length 23 [2021-11-05 17:30:26,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-05 17:30:26,593 INFO L470 AbstractCegarLoop]: Abstraction has 74271 states and 113670 transitions. [2021-11-05 17:30:26,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:30:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand 74271 states and 113670 transitions. [2021-11-05 17:30:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-05 17:30:26,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-05 17:30:26,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-05 17:30:26,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-05 17:30:26,602 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-05 17:30:26,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-05 17:30:26,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1394562932, now seen corresponding path program 1 times [2021-11-05 17:30:26,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-05 17:30:26,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640282722] [2021-11-05 17:30:26,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-05 17:30:26,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-05 17:30:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-05 17:30:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-05 17:30:26,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-05 17:30:26,928 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640282722] [2021-11-05 17:30:26,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640282722] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-05 17:30:26,931 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-05 17:30:26,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-05 17:30:26,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125779833] [2021-11-05 17:30:26,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-05 17:30:26,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-05 17:30:26,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-05 17:30:26,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-05 17:30:26,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:30:26,936 INFO L87 Difference]: Start difference. First operand 74271 states and 113670 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-05 17:30:29,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-05 17:30:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-05 17:30:30,596 INFO L93 Difference]: Finished difference Result 74271 states and 113670 transitions. [2021-11-05 17:30:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-05 17:30:30,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-05 17:30:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-05 17:30:30,826 INFO L225 Difference]: With dead ends: 74271 [2021-11-05 17:30:30,826 INFO L226 Difference]: Without dead ends: 74269 [2021-11-05 17:30:30,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.78ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-05 17:30:30,873 INFO L933 BasicCegarLoop]: 101793 mSDtfsCounter, 101737 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2075.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 101737 SdHoareTripleChecker+Valid, 101829 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 118.64ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2206.01ms IncrementalHoareTripleChecker+Time [2021-11-05 17:30:30,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101737 Valid, 101829 Invalid, 2 Unknown, 0 Unchecked, 118.64ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 2206.01ms Time] [2021-11-05 17:30:30,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74269 states. [2021-11-05 17:30:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74269 to 74269. [2021-11-05 17:30:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74269 states, 73667 states have (on average 1.5280654838665888) internal successors, (112568), 73771 states have internal predecessors, (112568), 550 states have call successors, (550), 22 states have call predecessors, (550), 22 states have return successors, (550), 504 states have call predecessors, (550), 550 states have call successors, (550)