./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 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-v0.6/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-173e394 [2021-11-06 15:22:17,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 15:22:17,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 15:22:17,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 15:22:17,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 15:22:17,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 15:22:17,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 15:22:17,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 15:22:17,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 15:22:17,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 15:22:17,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 15:22:17,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 15:22:17,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 15:22:17,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 15:22:17,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 15:22:17,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 15:22:17,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 15:22:17,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 15:22:17,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 15:22:17,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 15:22:17,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 15:22:17,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 15:22:17,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 15:22:17,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 15:22:17,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 15:22:17,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 15:22:17,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 15:22:17,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 15:22:17,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 15:22:17,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 15:22:17,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 15:22:17,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 15:22:17,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 15:22:17,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 15:22:17,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 15:22:17,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 15:22:17,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 15:22:17,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 15:22:17,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 15:22:17,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 15:22:17,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 15:22:17,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-06 15:22:17,137 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 15:22:17,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 15:22:17,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 15:22:17,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 15:22:17,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 15:22:17,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 15:22:17,144 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 15:22:17,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 15:22:17,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 15:22:17,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 15:22:17,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 15:22:17,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 15:22:17,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 15:22:17,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 15:22:17,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 15:22:17,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 15:22:17,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 15:22:17,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 15:22:17,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 15:22:17,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:22:17,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 15:22:17,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 15:22:17,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 15:22:17,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 15:22:17,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 15:22:17,147 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 15:22:17,147 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 15:22:17,147 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 15:22:17,147 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 15:22:17,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2021-11-06 15:22:17,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 15:22:17,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 15:22:17,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 15:22:17,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 15:22:17,378 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 15:22:17,379 INFO L432 ainManager$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 [2021-11-06 15:22:17,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69a00be22/6aae2a54f65a47399674d489a4f56bb2/FLAGc62fd81f3 [2021-11-06 15:22:18,142 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 15:22:18,143 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 [2021-11-06 15:22:18,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69a00be22/6aae2a54f65a47399674d489a4f56bb2/FLAGc62fd81f3 [2021-11-06 15:22:18,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69a00be22/6aae2a54f65a47399674d489a4f56bb2 [2021-11-06 15:22:18,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 15:22:18,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 15:22:18,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 15:22:18,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 15:22:18,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 15:22:18,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:22:18" (1/1) ... [2021-11-06 15:22:18,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21da0f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:18, skipping insertion in model container [2021-11-06 15:22:18,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 03:22:18" (1/1) ... [2021-11-06 15:22:18,241 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 15:22:18,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 15:22:18,789 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-06 15:22:21,098 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:22:21,181 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 15:22:21,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2021-11-06 15:22:21,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 15:22:21,636 INFO L208 MainTranslator]: Completed translation [2021-11-06 15:22:21,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21 WrapperNode [2021-11-06 15:22:21,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 15:22:21,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 15:22:21,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 15:22:21,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 15:22:21,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:21,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:37,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 15:22:37,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 15:22:37,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 15:22:37,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 15:22:37,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:37,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:39,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:39,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:42,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:43,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:44,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:46,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 15:22:46,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 15:22:46,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 15:22:46,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 15:22:46,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (1/1) ... [2021-11-06 15:22:46,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 15:22:46,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 15:22:46,429 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 15:22:46,448 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 15:22:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-06 15:22:46,461 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-06 15:22:46,461 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-11-06 15:22:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-11-06 15:22:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-06 15:22:46,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-06 15:22:46,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-06 15:22:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 15:22:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-06 15:22:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-06 15:22:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-11-06 15:22:46,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-11-06 15:22:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-06 15:22:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-06 15:22:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 15:22:46,463 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-06 15:22:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-06 15:22:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-06 15:22:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 15:22:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-11-06 15:22:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-11-06 15:22:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 15:22:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-06 15:22:46,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-06 15:22:46,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-06 15:22:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 15:22:46,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 15:22:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-06 15:22:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-06 15:22:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-06 15:22:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 15:22:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 15:22:46,465 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-06 15:22:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-06 15:22:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-06 15:22:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-11-06 15:22:46,466 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-11-06 15:22:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 15:22:46,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 15:22:46,467 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-06 15:22:46,467 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-06 15:31:17,023 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-81: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-06 15:31:17,024 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-80: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-06 15:31:17,024 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-83: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-06 15:31:17,024 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-82: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-06 15:31:17,024 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-85: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-06 15:31:17,025 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-84: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-06 15:31:17,025 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-87: __copy_from_user_#t~ret121 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret121 && __copy_from_user_#t~ret121 <= 9223372036854775807;__copy_from_user_~tmp___1~2 := __copy_from_user_#t~ret121;havoc __copy_from_user_#t~ret121; [2021-11-06 15:31:17,025 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-86: __copy_from_user_#t~ret120 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_from_user_#t~ret120 && __copy_from_user_#t~ret120 <= 9223372036854775807;__copy_from_user_~tmp___0~7 := __copy_from_user_#t~ret120;havoc __copy_from_user_#t~ret120; [2021-11-06 15:31:17,026 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-89: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-06 15:31:17,026 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-88: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-06 15:31:17,026 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-91: __copy_to_user_#t~ret126 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret126 && __copy_to_user_#t~ret126 <= 9223372036854775807;__copy_to_user_~tmp___1~3 := __copy_to_user_#t~ret126;havoc __copy_to_user_#t~ret126; [2021-11-06 15:31:17,026 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L2947-90: __copy_to_user_#t~ret125 := ldv__builtin_expect_#res;assume -9223372036854775808 <= __copy_to_user_#t~ret125 && __copy_to_user_#t~ret125 <= 9223372036854775807;__copy_to_user_~tmp___0~8 := __copy_to_user_#t~ret125;havoc __copy_to_user_#t~ret125; [2021-11-06 15:31:17,026 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-1: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:31:17,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-3: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:31:17,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-5: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:31:17,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-7: __copy_from_user_#t~ret122 := copy_user_generic_#res;__copy_from_user_~tmp___2~1 := __copy_from_user_#t~ret122;havoc __copy_from_user_#t~ret122;__copy_from_user_#res := (if __copy_from_user_~tmp___2~1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~1 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:31:17,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-9: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:31:17,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3713-11: __copy_to_user_#t~ret127 := copy_user_generic_#res;__copy_to_user_~tmp___2~2 := __copy_to_user_#t~ret127;havoc __copy_to_user_#t~ret127;__copy_to_user_#res := (if __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2021-11-06 15:31:17,027 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch119; [2021-11-06 15:31:17,028 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,028 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 4 == __copy_from_user_~size; [2021-11-06 15:31:17,028 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,032 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 8 == __copy_from_user_~size; [2021-11-06 15:31:17,033 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,033 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 10 == __copy_from_user_~size; [2021-11-06 15:31:17,033 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch119;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,033 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 16 == __copy_from_user_~size; [2021-11-06 15:31:17,033 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume 0 != __copy_from_user_~tmp___0~7;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,033 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume !(0 != __copy_from_user_~tmp___0~7);__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,033 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch119;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_from_user_~ret~2 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := true; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume 0 != __copy_from_user_~tmp___1~2;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume !(0 != __copy_from_user_~tmp___1~2);__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch119;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_from_user_~dst.base, __copy_from_user_~dst.offset, __copy_from_user_~src.base, __copy_from_user_~src.offset, __copy_from_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch119; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-1: havoc __copy_to_user_#t~switch124; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc __copy_to_user_#t~switch124; [2021-11-06 15:31:17,034 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-3: havoc __copy_to_user_#t~switch124; [2021-11-06 15:31:17,035 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-2: havoc __copy_to_user_#t~switch124; [2021-11-06 15:31:17,035 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803-4: havoc __copy_to_user_#t~switch124; [2021-11-06 15:31:17,035 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,035 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-06 15:31:17,035 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-2: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,035 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-06 15:31:17,035 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-1: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-06 15:31:17,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-4: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-06 15:31:17,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-3: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 4 == __copy_to_user_~size; [2021-11-06 15:31:17,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,036 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-06 15:31:17,038 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-2: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,038 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-06 15:31:17,038 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-1: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,038 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-06 15:31:17,038 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-4: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,038 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-06 15:31:17,039 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-3: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,039 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 8 == __copy_to_user_~size; [2021-11-06 15:31:17,039 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-06 15:31:17,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-2: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-06 15:31:17,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-1: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-06 15:31:17,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-4: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,040 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-06 15:31:17,041 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-3: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,041 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 10 == __copy_to_user_~size; [2021-11-06 15:31:17,041 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,041 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-06 15:31:17,041 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-2: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,041 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-06 15:31:17,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-1: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-06 15:31:17,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-4: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-06 15:31:17,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-3: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,043 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 16 == __copy_to_user_~size; [2021-11-06 15:31:17,043 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,045 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,045 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-2: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,045 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-2: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,045 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-1: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,045 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-1: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,046 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-4: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,046 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-4: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,047 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-3: assume 0 != __copy_to_user_~tmp___0~8;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,047 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824-3: assume !(0 != __copy_to_user_~tmp___0~8);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-06 15:31:17,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-2: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,053 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-2: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-1: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-1: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-4: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-4: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-3: assume __copy_to_user_#t~switch124;ldv__builtin_expect_#in~exp, ldv__builtin_expect_#in~c := (if 0 != __copy_to_user_~ret~3 then 1 else 0), 0;havoc ldv__builtin_expect_#res;havoc ldv__builtin_expect_~exp, ldv__builtin_expect_~c;ldv__builtin_expect_~exp := ldv__builtin_expect_#in~exp;ldv__builtin_expect_~c := ldv__builtin_expect_#in~c;ldv__builtin_expect_#res := ldv__builtin_expect_~exp; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832-3: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := true; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,054 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-2: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-2: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-1: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-1: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-4: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-4: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-3: assume 0 != __copy_to_user_~tmp___1~3;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836-3: assume !(0 != __copy_to_user_~tmp___1~3);__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-06 15:31:17,055 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !__copy_to_user_#t~switch124; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-2: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-2: assume !__copy_to_user_#t~switch124; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-1: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-1: assume !__copy_to_user_#t~switch124; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-4: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-4: assume !__copy_to_user_#t~switch124; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-3: assume __copy_to_user_#t~switch124;copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset, copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset, copy_user_generic_#in~len := __copy_to_user_~dst.base, __copy_to_user_~dst.offset, __copy_to_user_~src.base, __copy_to_user_~src.offset, __copy_to_user_~size;havoc copy_user_generic_#res;havoc copy_user_generic_~to.base, copy_user_generic_~to.offset, copy_user_generic_~from.base, copy_user_generic_~from.offset, copy_user_generic_~len, copy_user_generic_~ret~1;copy_user_generic_~to.base, copy_user_generic_~to.offset := copy_user_generic_#in~to.base, copy_user_generic_#in~to.offset;copy_user_generic_~from.base, copy_user_generic_~from.offset := copy_user_generic_#in~from.base, copy_user_generic_#in~from.offset;copy_user_generic_~len := copy_user_generic_#in~len;havoc copy_user_generic_~ret~1;copy_user_generic_#res := copy_user_generic_~ret~1 % 4294967296; [2021-11-06 15:31:17,056 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844-3: assume !__copy_to_user_#t~switch124; [2021-11-06 15:31:17,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41377: assume !__copy_from_user_#t~switch119;__copy_from_user_#t~switch119 := __copy_from_user_#t~switch119 || 2 == __copy_from_user_~size; [2021-11-06 15:31:17,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41376: assume __copy_from_user_#t~switch119;__copy_from_user_#res := __copy_from_user_~ret~2; [2021-11-06 15:31:17,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41416: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-06 15:31:17,073 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41415: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41452: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-06 15:31:17,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41451: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,074 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41252: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-06 15:31:17,075 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41251: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41300: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41301: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-06 15:31:17,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41353: assume __copy_to_user_#t~switch124;__copy_to_user_#res := __copy_to_user_~ret~3; [2021-11-06 15:31:17,081 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41354: assume !__copy_to_user_#t~switch124;__copy_to_user_#t~switch124 := __copy_to_user_#t~switch124 || 2 == __copy_to_user_~size; [2021-11-06 15:31:17,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 15:31:17,302 INFO L299 CfgBuilder]: Removed 66027 assume(true) statements. [2021-11-06 15:31:17,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:31:17 BoogieIcfgContainer [2021-11-06 15:31:17,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 15:31:17,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 15:31:17,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 15:31:17,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 15:31:17,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 03:22:18" (1/3) ... [2021-11-06 15:31:17,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e390290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:31:17, skipping insertion in model container [2021-11-06 15:31:17,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 03:22:21" (2/3) ... [2021-11-06 15:31:17,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e390290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 03:31:17, skipping insertion in model container [2021-11-06 15:31:17,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 03:31:17" (3/3) ... [2021-11-06 15:31:17,352 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2021-11-06 15:31:17,355 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 15:31:17,355 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-11-06 15:31:17,491 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 15:31:17,495 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 15:31:17,495 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-06 15:31:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 66578 states, 66030 states have (on average 1.5273966378918673) internal successors, (100854), 66115 states have internal predecessors, (100854), 505 states have call successors, (505), 11 states have call predecessors, (505), 11 states have return successors, (505), 471 states have call predecessors, (505), 505 states have call successors, (505) [2021-11-06 15:31:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-06 15:31:18,342 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:31:18,342 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] [2021-11-06 15:31:18,342 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 15:31:18,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:31:18,365 INFO L85 PathProgramCache]: Analyzing trace with hash -237195783, now seen corresponding path program 1 times [2021-11-06 15:31:18,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:31:18,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12126640] [2021-11-06 15:31:18,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:31:18,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:31:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:31:19,007 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 15:31:19,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:31:19,008 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12126640] [2021-11-06 15:31:19,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12126640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:31:19,010 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:31:19,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:31:19,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758468393] [2021-11-06 15:31:19,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:31:19,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:31:19,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:31:19,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:31:19,110 INFO L87 Difference]: Start difference. First operand has 66578 states, 66030 states have (on average 1.5273966378918673) internal successors, (100854), 66115 states have internal predecessors, (100854), 505 states have call successors, (505), 11 states have call predecessors, (505), 11 states have return successors, (505), 471 states have call predecessors, (505), 505 states have call successors, (505) Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:31:21,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:31:21,717 INFO L93 Difference]: Finished difference Result 140899 states and 215658 transitions. [2021-11-06 15:31:21,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:31:21,718 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 [2021-11-06 15:31:21,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:31:22,048 INFO L225 Difference]: With dead ends: 140899 [2021-11-06 15:31:22,048 INFO L226 Difference]: Without dead ends: 74303 [2021-11-06 15:31:22,277 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 15:31:22,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74303 states. [2021-11-06 15:31:24,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74303 to 74271. [2021-11-06 15:31:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74271 states, 73668 states have (on average 1.5280718901015367) internal successors, (112570), 73773 states have internal predecessors, (112570), 550 states have call successors, (550), 22 states have call predecessors, (550), 22 states have return successors, (550), 504 states have call predecessors, (550), 550 states have call successors, (550) [2021-11-06 15:31:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74271 states to 74271 states and 113670 transitions. [2021-11-06 15:31:24,447 INFO L78 Accepts]: Start accepts. Automaton has 74271 states and 113670 transitions. Word has length 23 [2021-11-06 15:31:24,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:31:24,448 INFO L470 AbstractCegarLoop]: Abstraction has 74271 states and 113670 transitions. [2021-11-06 15:31:24,448 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) [2021-11-06 15:31:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand 74271 states and 113670 transitions. [2021-11-06 15:31:24,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-06 15:31:24,454 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:31:24,454 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] [2021-11-06 15:31:24,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 15:31:24,455 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)] === [2021-11-06 15:31:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:31:24,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1394562932, now seen corresponding path program 1 times [2021-11-06 15:31:24,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:31:24,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383793871] [2021-11-06 15:31:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:31:24,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:31:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:31:24,764 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 15:31:24,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:31:24,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383793871] [2021-11-06 15:31:24,765 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383793871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:31:24,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:31:24,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:31:24,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366711560] [2021-11-06 15:31:24,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:31:24,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:31:24,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:31:24,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:31:24,769 INFO L87 Difference]: Start difference. First operand 74271 states and 113670 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:31:28,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:31:28,349 INFO L93 Difference]: Finished difference Result 74271 states and 113670 transitions. [2021-11-06 15:31:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:31:28,350 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-06 15:31:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:31:28,828 INFO L225 Difference]: With dead ends: 74271 [2021-11-06 15:31:28,829 INFO L226 Difference]: Without dead ends: 74269 [2021-11-06 15:31:28,867 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 15:31:28,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74269 states. [2021-11-06 15:31:30,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74269 to 74269. [2021-11-06 15:31:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74269 states, 73667 states have (on average 1.5280654838665888) internal successors, (112568), 73771 states have internal predecessors, (112568), 550 states have call successors, (550), 22 states have call predecessors, (550), 22 states have return successors, (550), 504 states have call predecessors, (550), 550 states have call successors, (550) [2021-11-06 15:31:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74269 states to 74269 states and 113668 transitions. [2021-11-06 15:31:30,591 INFO L78 Accepts]: Start accepts. Automaton has 74269 states and 113668 transitions. Word has length 35 [2021-11-06 15:31:30,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 15:31:30,592 INFO L470 AbstractCegarLoop]: Abstraction has 74269 states and 113668 transitions. [2021-11-06 15:31:30,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-06 15:31:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 74269 states and 113668 transitions. [2021-11-06 15:31:30,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-06 15:31:30,594 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 15:31:30,594 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] [2021-11-06 15:31:30,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 15:31:30,594 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)] === [2021-11-06 15:31:30,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 15:31:30,594 INFO L85 PathProgramCache]: Analyzing trace with hash -281522472, now seen corresponding path program 1 times [2021-11-06 15:31:30,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 15:31:30,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897087551] [2021-11-06 15:31:30,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 15:31:30,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 15:31:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 15:31:31,135 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 15:31:31,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 15:31:31,136 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897087551] [2021-11-06 15:31:31,136 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897087551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 15:31:31,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 15:31:31,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 15:31:31,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852228903] [2021-11-06 15:31:31,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 15:31:31,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 15:31:31,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 15:31:31,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 15:31:31,138 INFO L87 Difference]: Start difference. First operand 74269 states and 113668 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) [2021-11-06 15:31:34,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 15:31:34,613 INFO L93 Difference]: Finished difference Result 93815 states and 143674 transitions. [2021-11-06 15:31:34,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 15:31:34,613 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 [2021-11-06 15:31:34,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 15:31:35,122 INFO L225 Difference]: With dead ends: 93815 [2021-11-06 15:31:35,123 INFO L226 Difference]: Without dead ends: 93769 [2021-11-06 15:31:35,164 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 15:31:35,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93769 states.