./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 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-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.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 d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 15:37:36,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 15:37:36,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 15:37:36,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 15:37:36,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 15:37:36,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 15:37:36,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 15:37:36,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 15:37:36,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 15:37:36,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 15:37:36,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 15:37:36,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 15:37:36,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 15:37:36,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 15:37:36,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 15:37:36,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 15:37:36,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 15:37:36,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 15:37:36,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 15:37:36,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 15:37:36,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 15:37:36,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 15:37:36,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 15:37:36,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 15:37:36,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 15:37:36,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 15:37:36,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 15:37:36,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 15:37:36,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 15:37:36,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 15:37:36,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 15:37:36,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 15:37:36,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 15:37:36,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 15:37:36,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 15:37:36,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 15:37:36,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 15:37:36,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 15:37:36,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 15:37:36,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 15:37:36,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 15:37:36,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 15:37:36,284 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 15:37:36,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 15:37:36,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 15:37:36,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 15:37:36,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 15:37:36,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 15:37:36,286 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 15:37:36,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 15:37:36,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 15:37:36,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 15:37:36,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 15:37:36,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 15:37:36,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 15:37:36,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 15:37:36,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 15:37:36,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 15:37:36,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 15:37:36,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 15:37:36,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 15:37:36,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:37:36,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 15:37:36,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 15:37:36,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 15:37:36,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 15:37:36,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 15:37:36,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 15:37:36,290 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 15:37:36,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 15:37:36,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 15:37:36,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d13c8fd602d503a5b89ef19dbfdd96987c0182e1babba89942a78b68f80ba8e9 [2021-11-06 15:37:36,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 15:37:36,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 15:37:36,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 15:37:36,513 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 15:37:36,514 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 15:37:36,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-06 15:37:36,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc55e5a7/00d382a763844b91ade7787d13fd6f0f/FLAG7d69dc531 [2021-11-06 15:37:37,214 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 15:37:37,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-06 15:37:37,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc55e5a7/00d382a763844b91ade7787d13fd6f0f/FLAG7d69dc531 [2021-11-06 15:37:37,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc55e5a7/00d382a763844b91ade7787d13fd6f0f [2021-11-06 15:37:37,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 15:37:37,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 15:37:37,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 15:37:37,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 15:37:37,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 15:37:37,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:37:37" (1/1) ... [2021-11-06 15:37:37,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fe6fac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:37, skipping insertion in model container [2021-11-06 15:37:37,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:37:37" (1/1) ... [2021-11-06 15:37:37,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 15:37:37,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 15:37:39,522 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-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2021-11-06 15:37:39,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:37:39,684 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 15:37:39,998 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-v0.8/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i[389398,389411] [2021-11-06 15:37:40,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:37:40,156 INFO L208 MainTranslator]: Completed translation [2021-11-06 15:37:40,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40 WrapperNode [2021-11-06 15:37:40,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 15:37:40,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 15:37:40,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 15:37:40,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 15:37:40,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:40,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:52,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 15:37:52,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 15:37:52,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 15:37:52,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 15:37:52,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:52,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:54,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:54,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:58,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:59,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:37:59,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:38:01,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 15:38:01,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 15:38:01,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 15:38:01,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 15:38:01,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (1/1) ... [2021-11-06 15:38:01,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:38:01,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 15:38:01,822 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) [2021-11-06 15:38:01,824 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 [2021-11-06 15:38:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-06 15:38:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-06 15:38:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-11-06 15:38:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-11-06 15:38:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-06 15:38:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-06 15:38:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-06 15:38:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 15:38:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-06 15:38:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-06 15:38:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-11-06 15:38:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-11-06 15:38:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 15:38:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 15:38:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 15:38:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-06 15:38:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-06 15:38:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-06 15:38:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 15:38:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-11-06 15:38:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-11-06 15:38:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 15:38:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 15:38:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-06 15:38:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-06 15:38:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 15:38:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 15:38:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 15:38:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 15:38:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 15:38:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 15:38:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 15:38:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-06 15:38:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-06 15:38:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 15:38:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-11-06 15:38:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-11-06 15:38:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 15:38:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 15:38:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-06 15:38:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-06 15:46:48,070 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-73: __copy_to_user_#t~ret131 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret131 && __copy_to_user_#t~ret131 <= 9223372036854775807;__copy_to_user_~tmp___1~2 := __copy_to_user_#t~ret131;havoc __copy_to_user_#t~ret131; [2021-11-06 15:46:48,070 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-72: __copy_to_user_#t~ret130 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret130 && __copy_to_user_#t~ret130 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret130;havoc __copy_to_user_#t~ret130; [2021-11-06 15:46:48,071 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-75: __copy_to_user_#t~ret131 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret131 && __copy_to_user_#t~ret131 <= 9223372036854775807;__copy_to_user_~tmp___1~2 := __copy_to_user_#t~ret131;havoc __copy_to_user_#t~ret131; [2021-11-06 15:46:48,071 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-74: __copy_to_user_#t~ret130 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret130 && __copy_to_user_#t~ret130 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret130;havoc __copy_to_user_#t~ret130; [2021-11-06 15:46:48,071 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-77: __copy_to_user_#t~ret131 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret131 && __copy_to_user_#t~ret131 <= 9223372036854775807;__copy_to_user_~tmp___1~2 := __copy_to_user_#t~ret131;havoc __copy_to_user_#t~ret131; [2021-11-06 15:46:48,071 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-76: __copy_to_user_#t~ret130 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret130 && __copy_to_user_#t~ret130 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret130;havoc __copy_to_user_#t~ret130; [2021-11-06 15:46:48,071 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-79: __copy_from_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret126 && __copy_from_user_#t~ret126 <= 9223372036854775807;__copy_from_user_~tmp___1~1 := __copy_from_user_#t~ret126;havoc __copy_from_user_#t~ret126; [2021-11-06 15:46:48,071 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-78: __copy_from_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret125 && __copy_from_user_#t~ret125 <= 9223372036854775807;__copy_from_user_~tmp___0~7 := __copy_from_user_#t~ret125;havoc __copy_from_user_#t~ret125; [2021-11-06 15:46:48,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-81: __copy_to_user_#t~ret131 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret131 && __copy_to_user_#t~ret131 <= 9223372036854775807;__copy_to_user_~tmp___1~2 := __copy_to_user_#t~ret131;havoc __copy_to_user_#t~ret131; [2021-11-06 15:46:48,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-80: __copy_to_user_#t~ret130 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret130 && __copy_to_user_#t~ret130 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret130;havoc __copy_to_user_#t~ret130; [2021-11-06 15:46:48,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-83: __copy_to_user_#t~ret131 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret131 && __copy_to_user_#t~ret131 <= 9223372036854775807;__copy_to_user_~tmp___1~2 := __copy_to_user_#t~ret131;havoc __copy_to_user_#t~ret131; [2021-11-06 15:46:48,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3331-82: __copy_to_user_#t~ret130 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret130 && __copy_to_user_#t~ret130 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret130;havoc __copy_to_user_#t~ret130; [2021-11-06 15:46:48,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3711-1: __copy_to_user_#t~ret132 := copy_user_generic_#res;__copy_to_user_~tmp___2~1 := __copy_to_user_#t~ret132;havoc __copy_to_user_#t~ret132;__copy_to_user_#res := (if __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:46:48,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3711-3: __copy_to_user_#t~ret132 := copy_user_generic_#res;__copy_to_user_~tmp___2~1 := __copy_to_user_#t~ret132;havoc __copy_to_user_#t~ret132;__copy_to_user_#res := (if __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:46:48,072 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3711-5: __copy_to_user_#t~ret132 := copy_user_generic_#res;__copy_to_user_~tmp___2~1 := __copy_to_user_#t~ret132;havoc __copy_to_user_#t~ret132;__copy_to_user_#res := (if __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:46:48,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3711-7: __copy_from_user_#t~ret127 := copy_user_generic_#res;__copy_from_user_~tmp___2~0 := __copy_from_user_#t~ret127;havoc __copy_from_user_#t~ret127;__copy_from_user_#res := (if __copy_from_user_~tmp___2~0 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~0 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~0 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:46:48,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3711-9: __copy_to_user_#t~ret132 := copy_user_generic_#res;__copy_to_user_~tmp___2~1 := __copy_to_user_#t~ret132;havoc __copy_to_user_#t~ret132;__copy_to_user_#res := (if __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:46:48,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3711-11: __copy_to_user_#t~ret132 := copy_user_generic_#res;__copy_to_user_~tmp___2~1 := __copy_to_user_#t~ret132;havoc __copy_to_user_#t~ret132;__copy_to_user_#res := (if __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:46:48,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3736: havoc __copy_from_user_#t~switch124; [2021-11-06 15:46:48,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume __copy_from_user_#t~switch124;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3742: assume !__copy_from_user_#t~switch124;__copy_from_user_#t~switch124 := __copy_from_user_#t~switch124 || 4 == __copy_from_user_~size; [2021-11-06 15:46:48,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume __copy_from_user_#t~switch124;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3747: assume !__copy_from_user_#t~switch124;__copy_from_user_#t~switch124 := __copy_from_user_#t~switch124 || 8 == __copy_from_user_~size; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume __copy_from_user_#t~switch124;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3752: assume !__copy_from_user_#t~switch124;__copy_from_user_#t~switch124 := __copy_from_user_#t~switch124 || 10 == __copy_from_user_~size; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume __copy_from_user_#t~switch124;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; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3757: assume !__copy_from_user_#t~switch124;__copy_from_user_#t~switch124 := __copy_from_user_#t~switch124 || 16 == __copy_from_user_~size; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume 0 != __copy_from_user_~tmp___0~7;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3762: assume !(0 != __copy_from_user_~tmp___0~7);__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume __copy_from_user_#t~switch124;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; [2021-11-06 15:46:48,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3770: assume !__copy_from_user_#t~switch124;__copy_from_user_#t~switch124 := true; [2021-11-06 15:46:48,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume 0 != __copy_from_user_~tmp___1~1;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3775: assume !(0 != __copy_from_user_~tmp___1~1);__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume __copy_from_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_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; [2021-11-06 15:46:48,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3783: assume !__copy_from_user_#t~switch124; [2021-11-06 15:46:48,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801-1: havoc __copy_to_user_#t~switch129; [2021-11-06 15:46:48,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801: havoc __copy_to_user_#t~switch129; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801-3: havoc __copy_to_user_#t~switch129; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801-2: havoc __copy_to_user_#t~switch129; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3801-4: havoc __copy_to_user_#t~switch129; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 4 == __copy_to_user_~size; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-2: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-2: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 4 == __copy_to_user_~size; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-1: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,076 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-1: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 4 == __copy_to_user_~size; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-4: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-4: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 4 == __copy_to_user_~size; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-3: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3806-3: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 4 == __copy_to_user_~size; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 8 == __copy_to_user_~size; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-2: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,077 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-2: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 8 == __copy_to_user_~size; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-1: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-1: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 8 == __copy_to_user_~size; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-4: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-4: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 8 == __copy_to_user_~size; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-3: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3810-3: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 8 == __copy_to_user_~size; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,078 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 10 == __copy_to_user_~size; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-2: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-2: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 10 == __copy_to_user_~size; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-1: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-1: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 10 == __copy_to_user_~size; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-4: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-4: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 10 == __copy_to_user_~size; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-3: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,079 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3814-3: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 10 == __copy_to_user_~size; [2021-11-06 15:46:48,080 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,080 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 16 == __copy_to_user_~size; [2021-11-06 15:46:48,080 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-2: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,080 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-2: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 16 == __copy_to_user_~size; [2021-11-06 15:46:48,080 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-1: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,080 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-1: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 16 == __copy_to_user_~size; [2021-11-06 15:46:48,080 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-4: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-4: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 16 == __copy_to_user_~size; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-3: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3818-3: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 16 == __copy_to_user_~size; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-2: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-2: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-1: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,082 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-1: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,082 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-4: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,082 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-4: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,082 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-3: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,082 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3822-3: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,082 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,082 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := true; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-2: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-2: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := true; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-1: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-1: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := true; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-4: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-4: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := true; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-3: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,083 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3830-3: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := true; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume 0 != __copy_to_user_~tmp___1~2;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834: assume !(0 != __copy_to_user_~tmp___1~2);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-2: assume 0 != __copy_to_user_~tmp___1~2;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-2: assume !(0 != __copy_to_user_~tmp___1~2);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-1: assume 0 != __copy_to_user_~tmp___1~2;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-1: assume !(0 != __copy_to_user_~tmp___1~2);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-4: assume 0 != __copy_to_user_~tmp___1~2;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,084 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-4: assume !(0 != __copy_to_user_~tmp___1~2);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-3: assume 0 != __copy_to_user_~tmp___1~2;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3834-3: assume !(0 != __copy_to_user_~tmp___1~2);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842: assume !__copy_to_user_#t~switch129; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-2: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-2: assume !__copy_to_user_#t~switch129; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-1: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,085 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-1: assume !__copy_to_user_#t~switch129; [2021-11-06 15:46:48,086 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-4: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,086 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-4: assume !__copy_to_user_#t~switch129; [2021-11-06 15:46:48,086 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-3: assume __copy_to_user_#t~switch129;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; [2021-11-06 15:46:48,086 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3842-3: assume !__copy_to_user_#t~switch129; [2021-11-06 15:46:48,101 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41362: assume !__copy_from_user_#t~switch124;__copy_from_user_#t~switch124 := __copy_from_user_#t~switch124 || 2 == __copy_from_user_~size; [2021-11-06 15:46:48,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41361: assume __copy_from_user_#t~switch124;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:46:48,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41401: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 2 == __copy_to_user_~size; [2021-11-06 15:46:48,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41400: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41436: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41437: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 2 == __copy_to_user_~size; [2021-11-06 15:46:48,102 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41236: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41237: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 2 == __copy_to_user_~size; [2021-11-06 15:46:48,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41285: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41286: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 2 == __copy_to_user_~size; [2021-11-06 15:46:48,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41339: assume !__copy_to_user_#t~switch129;__copy_to_user_#t~switch129 := __copy_to_user_#t~switch129 || 2 == __copy_to_user_~size; [2021-11-06 15:46:48,103 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41338: assume __copy_to_user_#t~switch129;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:46:48,323 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 15:46:48,323 INFO L299 CfgBuilder]: Removed 66095 assume(true) statements. [2021-11-06 15:46:48,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:46:48 BoogieIcfgContainer [2021-11-06 15:46:48,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 15:46:48,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 15:46:48,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 15:46:48,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 15:46:48,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:37:37" (1/3) ... [2021-11-06 15:46:48,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2238daba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:46:48, skipping insertion in model container [2021-11-06 15:46:48,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:37:40" (2/3) ... [2021-11-06 15:46:48,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2238daba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:46:48, skipping insertion in model container [2021-11-06 15:46:48,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:46:48" (3/3) ... [2021-11-06 15:46:48,376 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point_ldv-val-v0.8.cil.out.i [2021-11-06 15:46:48,380 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 15:46:48,380 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-11-06 15:46:48,551 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 15:46:48,555 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 [2021-11-06 15:46:48,555 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-06 15:46:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 66618 states, 66070 states have (on average 1.5271378840623582) internal successors, (100898), 66155 states have internal predecessors, (100898), 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) [2021-11-06 15:46:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-06 15:46:49,157 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:49,158 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:46:49,158 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)] === [2021-11-06 15:46:49,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:49,162 INFO L85 PathProgramCache]: Analyzing trace with hash 2125256245, now seen corresponding path program 1 times [2021-11-06 15:46:49,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:49,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720510886] [2021-11-06 15:46:49,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:49,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:46:50,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:50,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720510886] [2021-11-06 15:46:50,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720510886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:50,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:50,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 15:46:50,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132405865] [2021-11-06 15:46:50,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 15:46:50,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:50,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 15:46:50,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 15:46:50,143 INFO L87 Difference]: Start difference. First operand has 66618 states, 66070 states have (on average 1.5271378840623582) internal successors, (100898), 66155 states have internal predecessors, (100898), 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 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2021-11-06 15:46:52,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:52,176 INFO L93 Difference]: Finished difference Result 133232 states and 203811 transitions. [2021-11-06 15:46:52,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 15:46:52,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2021-11-06 15:46:52,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:52,512 INFO L225 Difference]: With dead ends: 133232 [2021-11-06 15:46:52,512 INFO L226 Difference]: Without dead ends: 66606 [2021-11-06 15:46:52,750 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 15:46:52,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66606 states. [2021-11-06 15:46:54,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66606 to 66606. [2021-11-06 15:46:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66606 states, 66059 states have (on average 1.526362796893686) internal successors, (100830), 66143 states have internal predecessors, (100830), 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) [2021-11-06 15:46:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66606 states to 66606 states and 101840 transitions. [2021-11-06 15:46:55,088 INFO L78 Accepts]: Start accepts. Automaton has 66606 states and 101840 transitions. Word has length 56 [2021-11-06 15:46:55,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:46:55,088 INFO L470 AbstractCegarLoop]: Abstraction has 66606 states and 101840 transitions. [2021-11-06 15:46:55,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2021-11-06 15:46:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 66606 states and 101840 transitions. [2021-11-06 15:46:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-06 15:46:55,094 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:46:55,094 INFO L513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 15:46:55,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 15:46:55,094 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-06 15:46:55,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:46:55,096 INFO L85 PathProgramCache]: Analyzing trace with hash -481063875, now seen corresponding path program 1 times [2021-11-06 15:46:55,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:46:55,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653475746] [2021-11-06 15:46:55,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:46:55,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:46:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:46:55,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:46:55,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:46:55,436 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653475746] [2021-11-06 15:46:55,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653475746] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:46:55,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:46:55,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:46:55,438 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539117478] [2021-11-06 15:46:55,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:46:55,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:46:55,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:46:55,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:55,442 INFO L87 Difference]: Start difference. First operand 66606 states and 101840 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-06 15:46:57,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:46:57,703 INFO L93 Difference]: Finished difference Result 140955 states and 215606 transitions. [2021-11-06 15:46:57,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:46:57,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2021-11-06 15:46:57,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:46:57,983 INFO L225 Difference]: With dead ends: 140955 [2021-11-06 15:46:57,983 INFO L226 Difference]: Without dead ends: 74397 [2021-11-06 15:46:58,465 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:46:58,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74397 states. [2021-11-06 15:46:59,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74397 to 74365. [2021-11-06 15:47:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74365 states, 73762 states have (on average 1.5276429597895935) internal successors, (112682), 73867 states have internal predecessors, (112682), 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) [2021-11-06 15:47:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74365 states to 74365 states and 113782 transitions. [2021-11-06 15:47:00,333 INFO L78 Accepts]: Start accepts. Automaton has 74365 states and 113782 transitions. Word has length 56 [2021-11-06 15:47:00,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:47:00,334 INFO L470 AbstractCegarLoop]: Abstraction has 74365 states and 113782 transitions. [2021-11-06 15:47:00,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2021-11-06 15:47:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 74365 states and 113782 transitions. [2021-11-06 15:47:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-06 15:47:00,339 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:47:00,340 INFO L513 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, 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] [2021-11-06 15:47:00,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 15:47:00,340 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-06 15:47:00,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:47:00,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1885659675, now seen corresponding path program 1 times [2021-11-06 15:47:00,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:47:00,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197458641] [2021-11-06 15:47:00,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:47:00,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:47:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:47:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 15:47:00,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:47:00,687 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197458641] [2021-11-06 15:47:00,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197458641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:47:00,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:47:00,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 15:47:00,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858600113] [2021-11-06 15:47:00,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:47:00,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:47:00,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:47:00,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:47:00,689 INFO L87 Difference]: Start difference. First operand 74365 states and 113782 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 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) [2021-11-06 15:47:02,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:47:02,638 INFO L93 Difference]: Finished difference Result 148682 states and 227509 transitions. [2021-11-06 15:47:02,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:47:02,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 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 68 [2021-11-06 15:47:02,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:47:02,896 INFO L225 Difference]: With dead ends: 148682 [2021-11-06 15:47:02,896 INFO L226 Difference]: Without dead ends: 74365 [2021-11-06 15:47:03,115 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:47:03,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74365 states.