./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 fcb8e130 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-dev-fcb8e13 [2021-11-22 23:56:27,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:56:27,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:56:27,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:56:27,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:56:27,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:56:27,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:56:27,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:56:27,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:56:27,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:56:27,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:56:27,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:56:27,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:56:27,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:56:27,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:56:27,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:56:27,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:56:27,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:56:27,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:56:27,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:56:27,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:56:27,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:56:27,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:56:27,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:56:27,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:56:27,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:56:27,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:56:27,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:56:27,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:56:27,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:56:27,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:56:27,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:56:27,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:56:27,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:56:27,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:56:27,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:56:27,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:56:27,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:56:27,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:56:27,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:56:27,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:56:27,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 23:56:27,138 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:56:27,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:56:27,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 23:56:27,140 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 23:56:27,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:56:27,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:56:27,141 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 23:56:27,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:56:27,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:56:27,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:56:27,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:56:27,143 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:56:27,143 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:56:27,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:56:27,143 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:56:27,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:56:27,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:56:27,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 23:56:27,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 23:56:27,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:56:27,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:56:27,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:56:27,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:56:27,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 23:56:27,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:56:27,145 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 23:56:27,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 23:56:27,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:56:27,146 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 23:56:27,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-11-22 23:56:27,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:56:27,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:56:27,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:56:27,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:56:27,436 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:56:27,436 INFO L432 ainManager$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 [2021-11-22 23:56:27,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01173fd49/5eed6d860b1c4478b346339ed5410def/FLAGf69267076 [2021-11-22 23:56:28,201 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:56:28,203 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 [2021-11-22 23:56:28,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01173fd49/5eed6d860b1c4478b346339ed5410def/FLAGf69267076 [2021-11-22 23:56:28,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01173fd49/5eed6d860b1c4478b346339ed5410def [2021-11-22 23:56:28,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:56:28,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:56:28,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:56:28,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:56:28,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:56:28,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:28" (1/1) ... [2021-11-22 23:56:28,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1475b50c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:28, skipping insertion in model container [2021-11-22 23:56:28,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:56:28" (1/1) ... [2021-11-22 23:56:28,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:56:28,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:56:29,032 WARN L230 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] [2021-11-22 23:56:30,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:56:31,033 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:56:31,078 WARN L230 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] [2021-11-22 23:56:31,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:56:31,608 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:56:31,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31 WrapperNode [2021-11-22 23:56:31,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:56:31,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:56:31,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:56:31,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:56:31,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:31,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:39,215 INFO L137 Inliner]: procedures = 414, calls = 5134, calls flagged for inlining = 1036, calls inlined = 33013, statements flattened = 430309 [2021-11-22 23:56:39,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:56:39,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:56:39,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:56:39,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:56:39,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:39,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:41,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:41,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:45,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:46,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:46,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:48,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:56:48,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:56:48,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:56:48,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:56:48,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (1/1) ... [2021-11-22 23:56:48,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 23:56:48,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 23:56:48,349 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) [2021-11-22 23:56:48,352 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 [2021-11-22 23:56:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-22 23:56:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-22 23:56:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-11-22 23:56:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-11-22 23:56:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-22 23:56:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-22 23:56:48,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-22 23:56:48,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:56:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-22 23:56:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-22 23:56:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-11-22 23:56:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-11-22 23:56:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 23:56:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 23:56:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:56:48,375 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-22 23:56:48,375 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-22 23:56:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-22 23:56:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:56:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-11-22 23:56:48,376 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-11-22 23:56:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:56:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:56:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-22 23:56:48,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-22 23:56:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-22 23:56:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:56:48,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:56:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 23:56:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 23:56:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-22 23:56:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:56:48,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:56:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-22 23:56:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-22 23:56:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:56:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-11-22 23:56:48,378 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-11-22 23:56:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:56:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:56:48,378 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-22 23:56:48,379 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-22 23:56:49,500 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:56:49,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:05:50,752 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-81: __copy_to_user_#t~ret117#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret117#1 && __copy_to_user_#t~ret117#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret117#1;havoc __copy_to_user_#t~ret117#1; [2021-11-23 00:05:50,752 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-80: __copy_to_user_#t~ret116#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret116#1 && __copy_to_user_#t~ret116#1 <= 9223372036854775807;__copy_to_user_~tmp___0~8#1 := __copy_to_user_#t~ret116#1;havoc __copy_to_user_#t~ret116#1; [2021-11-23 00:05:50,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-83: __copy_to_user_#t~ret117#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret117#1 && __copy_to_user_#t~ret117#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret117#1;havoc __copy_to_user_#t~ret117#1; [2021-11-23 00:05:50,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-82: __copy_to_user_#t~ret116#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret116#1 && __copy_to_user_#t~ret116#1 <= 9223372036854775807;__copy_to_user_~tmp___0~8#1 := __copy_to_user_#t~ret116#1;havoc __copy_to_user_#t~ret116#1; [2021-11-23 00:05:50,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-85: __copy_to_user_#t~ret117#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret117#1 && __copy_to_user_#t~ret117#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret117#1;havoc __copy_to_user_#t~ret117#1; [2021-11-23 00:05:50,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-84: __copy_to_user_#t~ret116#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret116#1 && __copy_to_user_#t~ret116#1 <= 9223372036854775807;__copy_to_user_~tmp___0~8#1 := __copy_to_user_#t~ret116#1;havoc __copy_to_user_#t~ret116#1; [2021-11-23 00:05:50,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-87: __copy_from_user_#t~ret112#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret112#1 && __copy_from_user_#t~ret112#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret112#1;havoc __copy_from_user_#t~ret112#1; [2021-11-23 00:05:50,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-86: __copy_from_user_#t~ret111#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_from_user_#t~ret111#1 && __copy_from_user_#t~ret111#1 <= 9223372036854775807;__copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret111#1;havoc __copy_from_user_#t~ret111#1; [2021-11-23 00:05:50,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-89: __copy_to_user_#t~ret117#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret117#1 && __copy_to_user_#t~ret117#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret117#1;havoc __copy_to_user_#t~ret117#1; [2021-11-23 00:05:50,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-88: __copy_to_user_#t~ret116#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret116#1 && __copy_to_user_#t~ret116#1 <= 9223372036854775807;__copy_to_user_~tmp___0~8#1 := __copy_to_user_#t~ret116#1;havoc __copy_to_user_#t~ret116#1; [2021-11-23 00:05:50,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-91: __copy_to_user_#t~ret117#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret117#1 && __copy_to_user_#t~ret117#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret117#1;havoc __copy_to_user_#t~ret117#1; [2021-11-23 00:05:50,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-90: __copy_to_user_#t~ret116#1 := ldv__builtin_expect_#res#1;assume { :end_inline_ldv__builtin_expect } true;assume -9223372036854775808 <= __copy_to_user_#t~ret116#1 && __copy_to_user_#t~ret116#1 <= 9223372036854775807;__copy_to_user_~tmp___0~8#1 := __copy_to_user_#t~ret116#1;havoc __copy_to_user_#t~ret116#1; [2021-11-23 00:05:50,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-1: __copy_to_user_#t~ret118#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_to_user_~tmp___2~2#1 := __copy_to_user_#t~ret118#1;havoc __copy_to_user_#t~ret118#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 00:05:50,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-3: __copy_to_user_#t~ret118#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_to_user_~tmp___2~2#1 := __copy_to_user_#t~ret118#1;havoc __copy_to_user_#t~ret118#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 00:05:50,754 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-5: __copy_to_user_#t~ret118#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_to_user_~tmp___2~2#1 := __copy_to_user_#t~ret118#1;havoc __copy_to_user_#t~ret118#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 00:05:50,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-7: __copy_from_user_#t~ret113#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_from_user_~tmp___2~1#1 := __copy_from_user_#t~ret113#1;havoc __copy_from_user_#t~ret113#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 00:05:50,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-9: __copy_to_user_#t~ret118#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_to_user_~tmp___2~2#1 := __copy_to_user_#t~ret118#1;havoc __copy_to_user_#t~ret118#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 00:05:50,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-11: __copy_to_user_#t~ret118#1 := copy_user_generic_#res#1;assume { :end_inline_copy_user_generic } true;__copy_to_user_~tmp___2~2#1 := __copy_to_user_#t~ret118#1;havoc __copy_to_user_#t~ret118#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-23 00:05:50,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2021-11-23 00:05:50,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 4 == __copy_from_user_~size#1; [2021-11-23 00:05:50,755 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 8 == __copy_from_user_~size#1; [2021-11-23 00:05:50,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 10 == __copy_from_user_~size#1; [2021-11-23 00:05:50,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 16 == __copy_from_user_~size#1; [2021-11-23 00:05:50,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume 0 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,756 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume !(0 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~1#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~1#1;copy_user_generic_#res#1 := copy_user_generic_~ret~1#1 % 4294967296; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-1: havoc __copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,757 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc __copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-3: havoc __copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-2: havoc __copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-4: havoc __copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 4 == __copy_to_user_~size#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-2: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-2: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 4 == __copy_to_user_~size#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-1: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,758 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-1: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 4 == __copy_to_user_~size#1; [2021-11-23 00:05:50,759 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-4: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,759 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-4: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 4 == __copy_to_user_~size#1; [2021-11-23 00:05:50,759 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-3: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-3: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 4 == __copy_to_user_~size#1; [2021-11-23 00:05:50,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 8 == __copy_to_user_~size#1; [2021-11-23 00:05:50,775 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-2: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-2: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 8 == __copy_to_user_~size#1; [2021-11-23 00:05:50,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-1: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-1: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 8 == __copy_to_user_~size#1; [2021-11-23 00:05:50,776 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-4: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-4: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 8 == __copy_to_user_~size#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-3: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-3: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 8 == __copy_to_user_~size#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 10 == __copy_to_user_~size#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-2: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-2: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 10 == __copy_to_user_~size#1; [2021-11-23 00:05:50,777 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-1: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-1: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 10 == __copy_to_user_~size#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-4: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-4: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 10 == __copy_to_user_~size#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-3: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-3: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 10 == __copy_to_user_~size#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 16 == __copy_to_user_~size#1; [2021-11-23 00:05:50,778 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-2: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-2: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 16 == __copy_to_user_~size#1; [2021-11-23 00:05:50,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-1: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,779 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-1: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 16 == __copy_to_user_~size#1; [2021-11-23 00:05:50,780 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-4: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,782 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-4: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 16 == __copy_to_user_~size#1; [2021-11-23 00:05:50,782 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-3: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-3: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 16 == __copy_to_user_~size#1; [2021-11-23 00:05:50,783 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != __copy_to_user_~tmp___0~8#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,784 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != __copy_to_user_~tmp___0~8#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,784 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-2: assume 0 != __copy_to_user_~tmp___0~8#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,784 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-2: assume !(0 != __copy_to_user_~tmp___0~8#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-1: assume 0 != __copy_to_user_~tmp___0~8#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-1: assume !(0 != __copy_to_user_~tmp___0~8#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,789 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-4: assume 0 != __copy_to_user_~tmp___0~8#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-4: assume !(0 != __copy_to_user_~tmp___0~8#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-3: assume 0 != __copy_to_user_~tmp___0~8#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-3: assume !(0 != __copy_to_user_~tmp___0~8#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := true; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-2: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-2: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := true; [2021-11-23 00:05:50,790 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-1: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-1: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := true; [2021-11-23 00:05:50,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-4: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-4: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := true; [2021-11-23 00:05:50,791 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-3: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_ldv__builtin_expect } true;ldv__builtin_expect_#in~exp#1, ldv__builtin_expect_#in~c#1 := (if 0 != __copy_to_user_~ret~3#1 then 1 else 0), 0;havoc ldv__builtin_expect_#res#1;havoc ldv__builtin_expect_~exp#1, ldv__builtin_expect_~c#1;ldv__builtin_expect_~exp#1 := ldv__builtin_expect_#in~exp#1;ldv__builtin_expect_~c#1 := ldv__builtin_expect_#in~c#1;ldv__builtin_expect_#res#1 := ldv__builtin_expect_~exp#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-3: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := true; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-2: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-2: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-1: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-1: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-4: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,792 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-4: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-3: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-3: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~1#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~1#1;copy_user_generic_#res#1 := copy_user_generic_~ret~1#1 % 4294967296; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !__copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-2: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~1#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~1#1;copy_user_generic_#res#1 := copy_user_generic_~ret~1#1 % 4294967296; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-2: assume !__copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-1: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~1#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~1#1;copy_user_generic_#res#1 := copy_user_generic_~ret~1#1 % 4294967296; [2021-11-23 00:05:50,793 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-1: assume !__copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,799 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-4: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~1#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~1#1;copy_user_generic_#res#1 := copy_user_generic_~ret~1#1 % 4294967296; [2021-11-23 00:05:50,800 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-4: assume !__copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,800 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-3: assume __copy_to_user_#t~switch115#1;assume { :begin_inline_copy_user_generic } true;copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset, copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset, copy_user_generic_#in~len#1 := __copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1;havoc copy_user_generic_#res#1;havoc copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset, copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset, copy_user_generic_~len#1, copy_user_generic_~ret~1#1;copy_user_generic_~to#1.base, copy_user_generic_~to#1.offset := copy_user_generic_#in~to#1.base, copy_user_generic_#in~to#1.offset;copy_user_generic_~from#1.base, copy_user_generic_~from#1.offset := copy_user_generic_#in~from#1.base, copy_user_generic_#in~from#1.offset;copy_user_generic_~len#1 := copy_user_generic_#in~len#1;havoc copy_user_generic_~ret~1#1;copy_user_generic_#res#1 := copy_user_generic_~ret~1#1 % 4294967296; [2021-11-23 00:05:50,800 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-3: assume !__copy_to_user_#t~switch115#1; [2021-11-23 00:05:50,824 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41377: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 2 == __copy_from_user_~size#1; [2021-11-23 00:05:50,825 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41376: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2021-11-23 00:05:50,825 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41416: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 2 == __copy_to_user_~size#1; [2021-11-23 00:05:50,825 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41415: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,825 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41452: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 2 == __copy_to_user_~size#1; [2021-11-23 00:05:50,825 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41451: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,826 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41252: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 2 == __copy_to_user_~size#1; [2021-11-23 00:05:50,826 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41251: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,827 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41300: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,827 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41301: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 2 == __copy_to_user_~size#1; [2021-11-23 00:05:50,827 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41353: assume __copy_to_user_#t~switch115#1;__copy_to_user_#res#1 := __copy_to_user_~ret~3#1; [2021-11-23 00:05:50,827 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41354: assume !__copy_to_user_#t~switch115#1;__copy_to_user_#t~switch115#1 := __copy_to_user_#t~switch115#1 || 2 == __copy_to_user_~size#1; [2021-11-23 00:05:50,925 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:05:51,069 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:05:51,070 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:05:51,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:05:51 BoogieIcfgContainer [2021-11-23 00:05:51,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:05:51,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 00:05:51,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 00:05:51,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 00:05:51,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:56:28" (1/3) ... [2021-11-23 00:05:51,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369593f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:05:51, skipping insertion in model container [2021-11-23 00:05:51,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:56:31" (2/3) ... [2021-11-23 00:05:51,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@369593f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:05:51, skipping insertion in model container [2021-11-23 00:05:51,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:05:51" (3/3) ... [2021-11-23 00:05:51,135 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-23 00:05:51,139 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 00:05:51,140 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-11-23 00:05:51,344 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 00:05:51,348 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 [2021-11-23 00:05:51,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-23 00:05:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 76484 states, 75936 states have (on average 1.4585967130214919) internal successors, (110760), 76021 states have internal predecessors, (110760), 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) [2021-11-23 00:05:52,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:05:52,343 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:05:52,344 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] [2021-11-23 00:05:52,344 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)] === [2021-11-23 00:05:52,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:05:52,356 INFO L85 PathProgramCache]: Analyzing trace with hash 491760404, now seen corresponding path program 1 times [2021-11-23 00:05:52,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:05:52,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040749187] [2021-11-23 00:05:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:05:52,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:05:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:05:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:05:52,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:05:52,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040749187] [2021-11-23 00:05:52,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040749187] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:05:52,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:05:52,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:05:52,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721535360] [2021-11-23 00:05:52,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:05:52,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:05:52,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:05:52,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:05:52,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:05:53,052 INFO L87 Difference]: Start difference. First operand has 76484 states, 75936 states have (on average 1.4585967130214919) internal successors, (110760), 76021 states have internal predecessors, (110760), 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) [2021-11-23 00:05:56,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:05:56,764 INFO L93 Difference]: Finished difference Result 161835 states and 236594 transitions. [2021-11-23 00:05:56,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:05:56,768 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 [2021-11-23 00:05:56,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:05:57,308 INFO L225 Difference]: With dead ends: 161835 [2021-11-23 00:05:57,308 INFO L226 Difference]: Without dead ends: 85333 [2021-11-23 00:05:57,602 INFO L932 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 [2021-11-23 00:05:57,605 INFO L933 BasicCegarLoop]: 111735 mSDtfsCounter, 13119 mSDsluCounter, 111616 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13119 SdHoareTripleChecker+Valid, 223351 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 00:05:57,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13119 Valid, 223351 Invalid, 38 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 00:05:57,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85333 states. [2021-11-23 00:05:59,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85333 to 85299. [2021-11-23 00:05:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85299 states, 84696 states have (on average 1.4593133087749126) internal successors, (123598), 84801 states have internal predecessors, (123598), 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) [2021-11-23 00:06:00,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85299 states to 85299 states and 124698 transitions. [2021-11-23 00:06:00,295 INFO L78 Accepts]: Start accepts. Automaton has 85299 states and 124698 transitions. Word has length 23 [2021-11-23 00:06:00,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:06:00,296 INFO L470 AbstractCegarLoop]: Abstraction has 85299 states and 124698 transitions. [2021-11-23 00:06:00,297 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) [2021-11-23 00:06:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 85299 states and 124698 transitions. [2021-11-23 00:06:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:06:00,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:06:00,306 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, 1] [2021-11-23 00:06:00,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 00:06:00,307 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)] === [2021-11-23 00:06:00,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:06:00,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1673864528, now seen corresponding path program 1 times [2021-11-23 00:06:00,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:06:00,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395428829] [2021-11-23 00:06:00,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:06:00,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:06:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:06:00,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:06:00,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:06:00,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395428829] [2021-11-23 00:06:00,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395428829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:06:00,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:06:00,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:06:00,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263827268] [2021-11-23 00:06:00,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:06:00,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:06:00,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:06:00,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:06:00,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:06:00,675 INFO L87 Difference]: Start difference. First operand 85299 states and 124698 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-11-23 00:06:02,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:06:02,910 INFO L93 Difference]: Finished difference Result 85299 states and 124698 transitions. [2021-11-23 00:06:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:06:02,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2021-11-23 00:06:02,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:06:03,267 INFO L225 Difference]: With dead ends: 85299 [2021-11-23 00:06:03,268 INFO L226 Difference]: Without dead ends: 85297 [2021-11-23 00:06:03,335 INFO L932 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 [2021-11-23 00:06:03,337 INFO L933 BasicCegarLoop]: 111668 mSDtfsCounter, 111611 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111611 SdHoareTripleChecker+Valid, 111704 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 00:06:03,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111611 Valid, 111704 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 00:06:03,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85297 states. [2021-11-23 00:06:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85297 to 85297. [2021-11-23 00:06:05,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85297 states, 84695 states have (on average 1.459306924847984) internal successors, (123596), 84799 states have internal predecessors, (123596), 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) [2021-11-23 00:06:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85297 states to 85297 states and 124696 transitions. [2021-11-23 00:06:05,498 INFO L78 Accepts]: Start accepts. Automaton has 85297 states and 124696 transitions. Word has length 36 [2021-11-23 00:06:05,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 00:06:05,498 INFO L470 AbstractCegarLoop]: Abstraction has 85297 states and 124696 transitions. [2021-11-23 00:06:05,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-11-23 00:06:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 85297 states and 124696 transitions. [2021-11-23 00:06:05,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:06:05,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 00:06:05,500 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, 1, 1] [2021-11-23 00:06:05,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 00:06:05,500 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-11-23 00:06:05,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:06:05,501 INFO L85 PathProgramCache]: Analyzing trace with hash 350458212, now seen corresponding path program 1 times [2021-11-23 00:06:05,501 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 00:06:05,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059834772] [2021-11-23 00:06:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 00:06:05,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:06:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:06:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:06:06,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 00:06:06,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059834772] [2021-11-23 00:06:06,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059834772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 00:06:06,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 00:06:06,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 00:06:06,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230013290] [2021-11-23 00:06:06,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 00:06:06,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 00:06:06,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 00:06:06,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 00:06:06,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 00:06:06,241 INFO L87 Difference]: Start difference. First operand 85297 states and 124696 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-11-23 00:06:08,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 00:06:08,456 INFO L93 Difference]: Finished difference Result 107762 states and 157621 transitions. [2021-11-23 00:06:08,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 00:06:08,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2021-11-23 00:06:08,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 00:06:08,844 INFO L225 Difference]: With dead ends: 107762 [2021-11-23 00:06:08,844 INFO L226 Difference]: Without dead ends: 107714 [2021-11-23 00:06:08,891 INFO L932 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 [2021-11-23 00:06:08,895 INFO L933 BasicCegarLoop]: 112607 mSDtfsCounter, 19927 mSDsluCounter, 111511 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19927 SdHoareTripleChecker+Valid, 224118 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 00:06:08,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19927 Valid, 224118 Invalid, 105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [37 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 00:06:09,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107714 states. [2021-11-23 00:06:10,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107714 to 107714. [2021-11-23 00:06:11,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107714 states, 106962 states have (on average 1.460397150389858) internal successors, (156207), 107108 states have internal predecessors, (156207), 678 states have call successors, (678), 44 states have call predecessors, (678), 44 states have return successors, (678), 608 states have call predecessors, (678), 678 states have call successors, (678)