/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:13:07,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:13:07,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:13:07,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:13:07,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:13:07,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:13:07,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:13:07,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:13:07,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:13:07,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:13:07,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:13:07,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:13:07,241 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:13:07,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:13:07,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:13:07,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:13:07,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:13:07,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:13:07,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:13:07,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:13:07,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:13:07,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:13:07,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:13:07,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:13:07,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:13:07,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:13:07,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:13:07,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:13:07,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:13:07,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:13:07,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:13:07,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:13:07,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:13:07,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:13:07,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:13:07,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:13:07,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:13:07,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:13:07,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:13:07,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:13:07,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:13:07,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 12:13:07,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:13:07,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:13:07,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:13:07,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:13:07,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:13:07,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:13:07,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:13:07,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:13:07,366 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:13:07,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:13:07,367 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:13:07,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:13:07,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:13:07,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:13:07,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:13:07,368 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:13:07,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:13:07,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:13:07,368 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:13:07,368 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:13:07,369 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:13:07,369 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:13:07,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:13:07,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:13:07,370 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:13:07,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:13:07,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:13:07,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:13:07,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:13:07,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:13:07,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:13:07,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:13:07,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:13:07,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:13:07,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:13:07,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:13:07,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:13:07,854 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:13:07,854 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:13:07,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-10-16 12:13:07,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf78c397/010dfb1e10304131bcff22ab2ed711de/FLAG45700ca2f [2022-10-16 12:13:09,108 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:13:09,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-10-16 12:13:09,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf78c397/010dfb1e10304131bcff22ab2ed711de/FLAG45700ca2f [2022-10-16 12:13:09,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf78c397/010dfb1e10304131bcff22ab2ed711de [2022-10-16 12:13:09,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:13:09,419 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:13:09,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:13:09,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:13:09,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:13:09,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:13:09" (1/1) ... [2022-10-16 12:13:09,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b07ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:09, skipping insertion in model container [2022-10-16 12:13:09,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:13:09" (1/1) ... [2022-10-16 12:13:09,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:13:09,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:13:12,168 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2022-10-16 12:13:12,169 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2022-10-16 12:13:12,169 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2022-10-16 12:13:12,170 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2022-10-16 12:13:12,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:13:12,303 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:13:12,801 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[358872,358885] [2022-10-16 12:13:12,802 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359038,359051] [2022-10-16 12:13:12,802 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359202,359215] [2022-10-16 12:13:12,803 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-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i[359367,359380] [2022-10-16 12:13:12,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:13:13,275 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:13:13,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13 WrapperNode [2022-10-16 12:13:13,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:13:13,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:13:13,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:13:13,278 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:13:13,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,624 INFO L138 Inliner]: procedures = 258, calls = 1715, calls flagged for inlining = 142, calls inlined = 128, statements flattened = 3758 [2022-10-16 12:13:13,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:13:13,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:13:13,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:13:13,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:13:13,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,937 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:13:13,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:13:13,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:13:13,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:13:13,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (1/1) ... [2022-10-16 12:13:13,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:13:14,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:13:14,031 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) [2022-10-16 12:13:14,055 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 [2022-10-16 12:13:14,101 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_xfer [2022-10-16 12:13:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_xfer [2022-10-16 12:13:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2022-10-16 12:13:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2022-10-16 12:13:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach_vp7049 [2022-10-16 12:13:14,102 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach_vp7049 [2022-10-16 12:13:14,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-10-16 12:13:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_m920x_driver_exit_10_2 [2022-10-16 12:13:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-10-16 12:13:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-10-16 12:13:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-16 12:13:14,103 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2022-10-16 12:13:14,103 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2022-10-16 12:13:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 12:13:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 12:13:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 12:13:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt2060_tuner_attach [2022-10-16 12:13:14,104 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt2060_tuner_attach [2022-10-16 12:13:14,104 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_61_tuner_attach [2022-10-16 12:13:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_61_tuner_attach [2022-10-16 12:13:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2022-10-16 12:13:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2022-10-16 12:13:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2022-10-16 12:13:14,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2022-10-16 12:13:14,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:13:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:13:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_update_filters [2022-10-16 12:13:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_update_filters [2022-10-16 12:13:14,106 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write_seq [2022-10-16 12:13:14,106 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write_seq [2022-10-16 12:13:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda8275_60_tuner_attach [2022-10-16 12:13:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda8275_60_tuner_attach [2022-10-16 12:13:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-10-16 12:13:14,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-10-16 12:13:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter_ctrl [2022-10-16 12:13:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter_ctrl [2022-10-16 12:13:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-10-16 12:13:14,108 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-10-16 12:13:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_probe [2022-10-16 12:13:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_probe [2022-10-16 12:13:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:13:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_rc_query [2022-10-16 12:13:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_rc_query [2022-10-16 12:13:14,109 INFO L130 BoogieDeclarations]: Found specification of procedure mt352_write [2022-10-16 12:13:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mt352_write [2022-10-16 12:13:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:13:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-16 12:13:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-16 12:13:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-16 12:13:14,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-16 12:13:14,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-16 12:13:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-10-16 12:13:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_parse_rc_state [2022-10-16 12:13:14,111 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_parse_rc_state [2022-10-16 12:13:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:13:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:13:14,111 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_firmware_download [2022-10-16 12:13:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_firmware_download [2022-10-16 12:13:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-16 12:13:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-16 12:13:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_pid_filter [2022-10-16 12:13:14,112 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_pid_filter [2022-10-16 12:13:14,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-16 12:13:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-16 12:13:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-16 12:13:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:13:14,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:13:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 12:13:14,113 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_0b_frontend_attach [2022-10-16 12:13:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_0b_frontend_attach [2022-10-16 12:13:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-16 12:13:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-16 12:13:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:13:14,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 12:13:14,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-10-16 12:13:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_frontend_attach [2022-10-16 12:13:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_frontend_attach [2022-10-16 12:13:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:13:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-10-16 12:13:14,115 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-16 12:13:14,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-16 12:13:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:13:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:13:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 12:13:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-10-16 12:13:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:13:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_tda10046_08_frontend_attach [2022-10-16 12:13:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_tda10046_08_frontend_attach [2022-10-16 12:13:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_qt1010_tuner_attach [2022-10-16 12:13:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_qt1010_tuner_attach [2022-10-16 12:13:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_mt352_demod_init [2022-10-16 12:13:14,117 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_mt352_demod_init [2022-10-16 12:13:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:13:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_write [2022-10-16 12:13:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_write [2022-10-16 12:13:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-16 12:13:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-16 12:13:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_fmd1216me_tuner_attach [2022-10-16 12:13:14,118 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_fmd1216me_tuner_attach [2022-10-16 12:13:14,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:13:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-16 12:13:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-16 12:13:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:13:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:13:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-16 12:13:14,119 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-16 12:13:14,119 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-16 12:13:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-10-16 12:13:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-10-16 12:13:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-16 12:13:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-16 12:13:14,120 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_set_filter [2022-10-16 12:13:14,120 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_set_filter [2022-10-16 12:13:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_identify_state [2022-10-16 12:13:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_identify_state [2022-10-16 12:13:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:13:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-16 12:13:14,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-16 12:13:14,121 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_i2c_func [2022-10-16 12:13:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_i2c_func [2022-10-16 12:13:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:13:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:13:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure m920x_read [2022-10-16 12:13:14,122 INFO L138 BoogieDeclarations]: Found implementation of procedure m920x_read [2022-10-16 12:13:14,957 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:13:14,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:13:17,975 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 12:17:40,981 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-16 12:17:41,154 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:17:41,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:17:41,187 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 12:17:41,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:17:41 BoogieIcfgContainer [2022-10-16 12:17:41,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:17:41,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:17:41,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:17:41,198 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:17:41,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:13:09" (1/3) ... [2022-10-16 12:17:41,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351d95be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:17:41, skipping insertion in model container [2022-10-16 12:17:41,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:13:13" (2/3) ... [2022-10-16 12:17:41,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@351d95be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:17:41, skipping insertion in model container [2022-10-16 12:17:41,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:17:41" (3/3) ... [2022-10-16 12:17:41,202 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-usb-dvb-usb-dvb-usb-m920x.cil.i [2022-10-16 12:17:41,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:17:41,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2022-10-16 12:17:41,347 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:17:41,356 INFO L357 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=FINITE_AUTOMATA, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@42ac66a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:17:41,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2022-10-16 12:17:41,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 1441 states, 1017 states have (on average 1.3628318584070795) internal successors, (1386), 1080 states have internal predecessors, (1386), 317 states have call successors, (317), 54 states have call predecessors, (317), 53 states have return successors, (311), 311 states have call predecessors, (311), 311 states have call successors, (311) [2022-10-16 12:17:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2022-10-16 12:17:41,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:17:41,439 INFO L195 NwaCegarLoop]: trace histogram [55, 55, 54, 54, 54, 54, 54, 54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:17:41,440 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting m920x_update_filtersErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [m920x_i2c_xferErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, m920x_i2c_xferErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, m920x_i2c_xferErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 51 more)] === [2022-10-16 12:17:41,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:17:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash 284916900, now seen corresponding path program 1 times [2022-10-16 12:17:41,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:17:41,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173333406] [2022-10-16 12:17:41,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:17:41,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:17:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:17:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 12:17:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:17:44,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 12:17:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat