./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.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 d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:06:31,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:06:31,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:06:31,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:06:31,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:06:31,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:06:31,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:06:31,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:06:31,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:06:31,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:06:31,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:06:31,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:06:31,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:06:31,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:06:31,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:06:31,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:06:31,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:06:31,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:06:31,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:06:31,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:06:31,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:06:31,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:06:31,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:06:31,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:06:31,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:06:31,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:06:31,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:06:31,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:06:31,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:06:31,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:06:31,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:06:31,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:06:31,935 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:06:31,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:06:31,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:06:31,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:06:31,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:06:31,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:06:31,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:06:31,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:06:31,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:06:31,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:06:31,958 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:06:31,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:06:31,959 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:06:31,959 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:06:31,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:06:31,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:06:31,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:06:31,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:06:31,960 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:06:31,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:06:31,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:06:31,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:06:31,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:06:31,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:06:31,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:06:31,961 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:06:31,962 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:06:31,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:06:31,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:06:31,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:06:31,962 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:06:31,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:06:31,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:06:31,963 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:06:31,963 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:06:31,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:06:31,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:06:31,963 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:06:31,964 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:06:31,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:06:31,964 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:06:31,964 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d62cca735e5e5c3ed49d61d09e2b8d7696fac03708570c9e23afbb5bfdcaa275 [2021-12-14 19:06:32,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:06:32,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:06:32,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:06:32,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:06:32,149 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:06:32,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-14 19:06:32,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/083468a34/4117f69cbdfb405a88550dbcf875d761/FLAG5235b4d40 [2021-12-14 19:06:32,844 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:06:32,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-14 19:06:32,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/083468a34/4117f69cbdfb405a88550dbcf875d761/FLAG5235b4d40 [2021-12-14 19:06:33,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/083468a34/4117f69cbdfb405a88550dbcf875d761 [2021-12-14 19:06:33,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:06:33,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:06:33,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:06:33,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:06:33,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:06:33,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:06:33" (1/1) ... [2021-12-14 19:06:33,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee6d076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:33, skipping insertion in model container [2021-12-14 19:06:33,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:06:33" (1/1) ... [2021-12-14 19:06:33,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:06:33,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:06:35,409 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-12-14 19:06:35,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:06:35,583 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:06:35,911 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-challenges/linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i[361017,361030] [2021-12-14 19:06:35,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:06:36,190 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:06:36,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36 WrapperNode [2021-12-14 19:06:36,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:06:36,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:06:36,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:06:36,192 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:06:36,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:36,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:36,697 INFO L137 Inliner]: procedures = 359, calls = 7215, calls flagged for inlining = 183, calls inlined = 137, statements flattened = 11745 [2021-12-14 19:06:36,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:06:36,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:06:36,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:06:36,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:06:36,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:36,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:36,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:36,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:37,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:37,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:37,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:37,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:06:37,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:06:37,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:06:37,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:06:37,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (1/1) ... [2021-12-14 19:06:37,196 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:06:37,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:06:37,228 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) [2021-12-14 19:06:37,243 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 [2021-12-14 19:06:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-14 19:06:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-14 19:06:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-14 19:06:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-14 19:06:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-14 19:06:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-14 19:06:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:06:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:06:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 19:06:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 19:06:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_recv_bulk_msg [2021-12-14 19:06:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_recv_bulk_msg [2021-12-14 19:06:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:06:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:06:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_save_screen [2021-12-14 19:06:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_save_screen [2021-12-14 19:06:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_buffers [2021-12-14 19:06:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_buffers [2021-12-14 19:06:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_disconnect [2021-12-14 19:06:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_disconnect [2021-12-14 19:06:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_deinit [2021-12-14 19:06:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_deinit [2021-12-14 19:06:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_byte [2021-12-14 19:06:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_byte [2021-12-14 19:06:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 19:06:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 19:06:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-14 19:06:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-14 19:06:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 19:06:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 19:06:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_cursor [2021-12-14 19:06:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_cursor [2021-12-14 19:06:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-12-14 19:06:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-12-14 19:06:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-14 19:06:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-14 19:06:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_word [2021-12-14 19:06:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_word [2021-12-14 19:06:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 19:06:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 19:06:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetReg [2021-12-14 19:06:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetReg [2021-12-14 19:06:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 19:06:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 19:06:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb_lock_and_check [2021-12-14 19:06:37,271 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb_lock_and_check [2021-12-14 19:06:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:06:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure take_over_console [2021-12-14 19:06:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure take_over_console [2021-12-14 19:06:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_sisusb_valid [2021-12-14 19:06:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_sisusb_valid [2021-12-14 19:06:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:06:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegOR [2021-12-14 19:06:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegOR [2021-12-14 19:06:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-12-14 19:06:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_sisusb_usb_data [2021-12-14 19:06:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-14 19:06:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_check_rbc [2021-12-14 19:06:37,274 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_check_rbc [2021-12-14 19:06:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:06:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:06:37,274 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-14 19:06:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-14 19:06:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_outurb_available [2021-12-14 19:06:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_outurb_available [2021-12-14 19:06:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_kill_all_busy [2021-12-14 19:06:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_kill_all_busy [2021-12-14 19:06:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 19:06:37,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 19:06:37,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-14 19:06:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-14 19:06:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getidxreg [2021-12-14 19:06:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getidxreg [2021-12-14 19:06:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-14 19:06:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-14 19:06:37,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-14 19:06:37,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-14 19:06:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_writeb [2021-12-14 19:06:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_writeb [2021-12-14 19:06:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:06:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-14 19:06:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-14 19:06:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_set_default_mode [2021-12-14 19:06:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_set_default_mode [2021-12-14 19:06:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_byte [2021-12-14 19:06:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_byte [2021-12-14 19:06:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:06:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_DisplayOn [2021-12-14 19:06:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_DisplayOn [2021-12-14 19:06:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregandor [2021-12-14 19:06:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregandor [2021-12-14 19:06:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_mem_bulk [2021-12-14 19:06:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_mem_bulk [2021-12-14 19:06:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2021-12-14 19:06:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2021-12-14 19:06:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbdummycon_init [2021-12-14 19:06:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbdummycon_init [2021-12-14 19:06:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-14 19:06:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-14 19:06:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:06:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetReg [2021-12-14 19:06:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetReg [2021-12-14 19:06:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_do_font_op [2021-12-14 19:06:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_do_font_op [2021-12-14 19:06:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_init_gfxdevice [2021-12-14 19:06:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_init_gfxdevice [2021-12-14 19:06:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegByte [2021-12-14 19:06:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegByte [2021-12-14 19:06:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_free_urbs [2021-12-14 19:06:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_free_urbs [2021-12-14 19:06:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:06:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:06:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bridge_packet [2021-12-14 19:06:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bridge_packet [2021-12-14 19:06:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-14 19:06:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-14 19:06:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-14 19:06:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-14 19:06:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_ioctl [2021-12-14 19:06:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_ioctl [2021-12-14 19:06:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_word [2021-12-14 19:06:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_word [2021-12-14 19:06:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_get_sisusb [2021-12-14 19:06:37,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_get_sisusb [2021-12-14 19:06:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:06:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:06:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_cursor [2021-12-14 19:06:37,288 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_cursor [2021-12-14 19:06:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_is_inactive [2021-12-14 19:06:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_is_inactive [2021-12-14 19:06:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 19:06:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 19:06:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_clear_vram [2021-12-14 19:06:37,292 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_clear_vram [2021-12-14 19:06:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_pci_config [2021-12-14 19:06:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_pci_config [2021-12-14 19:06:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:06:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-14 19:06:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-14 19:06:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_bulk_msg [2021-12-14 19:06:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_bulk_msg [2021-12-14 19:06:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-14 19:06:37,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-14 19:06:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:06:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:06:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_readb [2021-12-14 19:06:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_readb [2021-12-14 19:06:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregor [2021-12-14 19:06:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregor [2021-12-14 19:06:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:06:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2021-12-14 19:06:37,294 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2021-12-14 19:06:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-14 19:06:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-14 19:06:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:06:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_send_packet [2021-12-14 19:06:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_send_packet [2021-12-14 19:06:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_memio_long [2021-12-14 19:06:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_memio_long [2021-12-14 19:06:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_reset_text_mode [2021-12-14 19:06:37,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_reset_text_mode [2021-12-14 19:06:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSB_InitPtr [2021-12-14 19:06:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSB_InitPtr [2021-12-14 19:06:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:06:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_pci_config [2021-12-14 19:06:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_pci_config [2021-12-14 19:06:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 19:06:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxreg [2021-12-14 19:06:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxreg [2021-12-14 19:06:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegANDOR [2021-12-14 19:06:37,296 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegANDOR [2021-12-14 19:06:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:06:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:06:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_wait_all_out_complete [2021-12-14 19:06:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_wait_all_out_complete [2021-12-14 19:06:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 19:06:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 19:06:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetRegAND [2021-12-14 19:06:37,297 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetRegAND [2021-12-14 19:06:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setidxregand [2021-12-14 19:06:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setidxregand [2021-12-14 19:06:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-14 19:06:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-14 19:06:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_SetSegmentReg [2021-12-14 19:06:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_SetSegmentReg [2021-12-14 19:06:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_copy_memory [2021-12-14 19:06:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_copy_memory [2021-12-14 19:06:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_setreg [2021-12-14 19:06:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_setreg [2021-12-14 19:06:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-12-14 19:06:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_sisusb_usb_data [2021-12-14 19:06:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_set_start_address [2021-12-14 19:06:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_set_start_address [2021-12-14 19:06:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-14 19:06:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-14 19:06:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:06:37,299 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:06:37,299 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_WriteDAC [2021-12-14 19:06:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_WriteDAC [2021-12-14 19:06:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_read_mem_bulk [2021-12-14 19:06:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_read_mem_bulk [2021-12-14 19:06:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_getreg [2021-12-14 19:06:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_getreg [2021-12-14 19:06:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure SiSUSBSetMode [2021-12-14 19:06:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure SiSUSBSetMode [2021-12-14 19:06:37,300 INFO L130 BoogieDeclarations]: Found specification of procedure vc_resize [2021-12-14 19:06:37,300 INFO L138 BoogieDeclarations]: Found implementation of procedure vc_resize [2021-12-14 19:06:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure sisusbcon_init [2021-12-14 19:06:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusbcon_init [2021-12-14 19:06:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-14 19:06:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-14 19:06:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:06:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_write_memio_long [2021-12-14 19:06:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_write_memio_long [2021-12-14 19:06:37,301 INFO L130 BoogieDeclarations]: Found specification of procedure SiS_GetRegByte [2021-12-14 19:06:37,301 INFO L138 BoogieDeclarations]: Found implementation of procedure SiS_GetRegByte [2021-12-14 19:06:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:06:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:06:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_triggersr16 [2021-12-14 19:06:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_triggersr16 [2021-12-14 19:06:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 19:06:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 19:06:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:06:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:06:37,302 INFO L130 BoogieDeclarations]: Found specification of procedure sisusb_all_free [2021-12-14 19:06:37,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sisusb_all_free [2021-12-14 19:06:38,045 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:06:38,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:07:04,880 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:07:04,895 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:07:04,895 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 19:07:04,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:07:04 BoogieIcfgContainer [2021-12-14 19:07:04,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:07:04,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:07:04,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:07:04,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:07:04,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:06:33" (1/3) ... [2021-12-14 19:07:04,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492b70e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:07:04, skipping insertion in model container [2021-12-14 19:07:04,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:06:36" (2/3) ... [2021-12-14 19:07:04,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492b70e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:07:04, skipping insertion in model container [2021-12-14 19:07:04,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:07:04" (3/3) ... [2021-12-14 19:07:04,905 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--misc--sisusbvga--sisusbvga.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-12-14 19:07:04,908 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:07:04,908 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 19:07:04,953 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:07:04,958 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 [2021-12-14 19:07:04,958 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 19:07:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand has 2753 states, 1882 states have (on average 1.3575982996811902) internal successors, (2555), 1909 states have internal predecessors, (2555), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) [2021-12-14 19:07:05,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-14 19:07:05,010 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:07:05,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:07:05,011 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:07:05,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:07:05,019 INFO L85 PathProgramCache]: Analyzing trace with hash -674524315, now seen corresponding path program 1 times [2021-12-14 19:07:05,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:07:05,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943572165] [2021-12-14 19:07:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:07:05,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:07:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:07:05,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:07:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:07:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:07:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:07:05,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 19:07:05,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:07:05,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943572165] [2021-12-14 19:07:05,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943572165] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:07:05,813 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:07:05,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:07:05,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404647948] [2021-12-14 19:07:05,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:07:05,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:07:05,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:07:05,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:07:05,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:07:05,850 INFO L87 Difference]: Start difference. First operand has 2753 states, 1882 states have (on average 1.3575982996811902) internal successors, (2555), 1909 states have internal predecessors, (2555), 765 states have call successors, (765), 104 states have call predecessors, (765), 104 states have return successors, (765), 761 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-14 19:07:13,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:07:15,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:07:21,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:07:26,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:07:33,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 19:07:34,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:07:34,064 INFO L93 Difference]: Finished difference Result 5637 states and 8475 transitions. [2021-12-14 19:07:34,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-14 19:07:34,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2021-12-14 19:07:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:07:34,105 INFO L225 Difference]: With dead ends: 5637 [2021-12-14 19:07:34,105 INFO L226 Difference]: Without dead ends: 2888 [2021-12-14 19:07:34,126 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:07:34,129 INFO L933 BasicCegarLoop]: 3528 mSDtfsCounter, 1936 mSDsluCounter, 2074 mSDsCounter, 0 mSdLazyCounter, 3604 mSolverCounterSat, 806 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 5602 SdHoareTripleChecker+Invalid, 4415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 3604 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2021-12-14 19:07:34,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2500 Valid, 5602 Invalid, 4415 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [806 Valid, 3604 Invalid, 5 Unknown, 0 Unchecked, 27.4s Time] [2021-12-14 19:07:34,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2888 states. [2021-12-14 19:07:34,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2888 to 2746. [2021-12-14 19:07:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2746 states, 1878 states have (on average 1.356762513312034) internal successors, (2548), 1903 states have internal predecessors, (2548), 765 states have call successors, (765), 104 states have call predecessors, (765), 102 states have return successors, (759), 755 states have call predecessors, (759), 759 states have call successors, (759) [2021-12-14 19:07:34,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2746 states and 4072 transitions. [2021-12-14 19:07:34,338 INFO L78 Accepts]: Start accepts. Automaton has 2746 states and 4072 transitions. Word has length 19 [2021-12-14 19:07:34,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:07:34,339 INFO L470 AbstractCegarLoop]: Abstraction has 2746 states and 4072 transitions. [2021-12-14 19:07:34,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-14 19:07:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 4072 transitions. [2021-12-14 19:07:34,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-14 19:07:34,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:07:34,341 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] [2021-12-14 19:07:34,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:07:34,342 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:07:34,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:07:34,343 INFO L85 PathProgramCache]: Analyzing trace with hash -34172631, now seen corresponding path program 1 times [2021-12-14 19:07:34,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:07:34,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584029522] [2021-12-14 19:07:34,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:07:34,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:07:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:07:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 19:07:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:07:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:07:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:07:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 19:07:34,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:07:34,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584029522] [2021-12-14 19:07:34,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584029522] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-14 19:07:34,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [631385701] [2021-12-14 19:07:34,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:07:34,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-14 19:07:34,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:07:34,857 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-14 19:07:34,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-14 19:07:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat