/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-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:09:13,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:09:13,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:09:13,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:09:13,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:09:13,328 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:09:13,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:09:13,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:09:13,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:09:13,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:09:13,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:09:13,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:09:13,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:09:13,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:09:13,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:09:13,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:09:13,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:09:13,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:09:13,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:09:13,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:09:13,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:09:13,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:09:13,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:09:13,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:09:13,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:09:13,375 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:09:13,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:09:13,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:09:13,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:09:13,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:09:13,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:09:13,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:09:13,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:09:13,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:09:13,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:09:13,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:09:13,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:09:13,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:09:13,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:09:13,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:09:13,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:09:13,390 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 [2022-10-15 21:09:13,432 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:09:13,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:09:13,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:09:13,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:09:13,436 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:09:13,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:09:13,438 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:09:13,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:09:13,439 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:09:13,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:09:13,439 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:09:13,439 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:09:13,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:09:13,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:09:13,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:09:13,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:09:13,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:09:13,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:09:13,443 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:09:13,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:09:13,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:09:13,443 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:09:13,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:09:13,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:09:13,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:09:13,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:09:13,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:09:13,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:09:13,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:09:13,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:09:13,446 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:09:13,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:09:13,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:09:13,447 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:09:13,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:09:13,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:09:13,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:09:13,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:09:13,873 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:09:13,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-10-15 21:09:13,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d8d2117/4d0110e5ffb645c493eaab8b1f8a4960/FLAGea6c01d37 [2022-10-15 21:09:15,093 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:09:15,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-10-15 21:09:15,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d8d2117/4d0110e5ffb645c493eaab8b1f8a4960/FLAGea6c01d37 [2022-10-15 21:09:15,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60d8d2117/4d0110e5ffb645c493eaab8b1f8a4960 [2022-10-15 21:09:15,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:09:15,411 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:09:15,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:09:15,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:09:15,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:09:15,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:09:15" (1/1) ... [2022-10-15 21:09:15,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194d3afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:15, skipping insertion in model container [2022-10-15 21:09:15,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:09:15" (1/1) ... [2022-10-15 21:09:15,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:09:15,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:09:18,028 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-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2022-10-15 21:09:18,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:09:18,332 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:09:18,999 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-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i[258672,258685] [2022-10-15 21:09:19,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:09:19,185 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:09:19,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19 WrapperNode [2022-10-15 21:09:19,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:09:19,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:09:19,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:09:19,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:09:19,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:19,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:19,710 INFO L138 Inliner]: procedures = 373, calls = 2971, calls flagged for inlining = 172, calls inlined = 164, statements flattened = 6001 [2022-10-15 21:09:19,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:09:19,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:09:19,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:09:19,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:09:19,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:19,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:19,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:19,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:19,975 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:20,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:20,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:20,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:20,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:09:20,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:09:20,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:09:20,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:09:20,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (1/1) ... [2022-10-15 21:09:20,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:09:20,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:09:20,183 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) [2022-10-15 21:09:20,196 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 [2022-10-15 21:09:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-10-15 21:09:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-10-15 21:09:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-10-15 21:09:20,269 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-10-15 21:09:20,269 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-10-15 21:09:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-10-15 21:09:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-10-15 21:09:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-10-15 21:09:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-10-15 21:09:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-10-15 21:09:20,270 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-15 21:09:20,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-15 21:09:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:09:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:09:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-10-15 21:09:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-10-15 21:09:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-10-15 21:09:20,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-10-15 21:09:20,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-10-15 21:09:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-10-15 21:09:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-10-15 21:09:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-10-15 21:09:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-10-15 21:09:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-10-15 21:09:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-10-15 21:09:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-10-15 21:09:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-10-15 21:09:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-10-15 21:09:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:09:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:09:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-15 21:09:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-15 21:09:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-10-15 21:09:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-10-15 21:09:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-10-15 21:09:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-10-15 21:09:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-10-15 21:09:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-10-15 21:09:20,274 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:09:20,274 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:09:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-10-15 21:09:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-10-15 21:09:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:09:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:09:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-10-15 21:09:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-10-15 21:09:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-10-15 21:09:20,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-10-15 21:09:20,276 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-15 21:09:20,276 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-15 21:09:20,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-10-15 21:09:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-10-15 21:09:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-15 21:09:20,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-15 21:09:20,278 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:09:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:09:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2022-10-15 21:09:20,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2022-10-15 21:09:20,279 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-10-15 21:09:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-10-15 21:09:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-10-15 21:09:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-10-15 21:09:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-10-15 21:09:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-10-15 21:09:20,280 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-10-15 21:09:20,280 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-10-15 21:09:20,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-10-15 21:09:20,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2022-10-15 21:09:20,282 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:09:20,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:09:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-10-15 21:09:20,283 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-10-15 21:09:20,283 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:09:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:09:20,284 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:09:20,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:09:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:09:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:09:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:09:20,285 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-10-15 21:09:20,285 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-10-15 21:09:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-10-15 21:09:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-10-15 21:09:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-10-15 21:09:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-10-15 21:09:20,286 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-10-15 21:09:20,286 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-10-15 21:09:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-10-15 21:09:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-10-15 21:09:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-10-15 21:09:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-10-15 21:09:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:09:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:09:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:09:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-15 21:09:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-10-15 21:09:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-10-15 21:09:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-10-15 21:09:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-10-15 21:09:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:09:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:09:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-10-15 21:09:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-10-15 21:09:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:09:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:09:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2022-10-15 21:09:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2022-10-15 21:09:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:09:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:09:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-10-15 21:09:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-10-15 21:09:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-10-15 21:09:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-10-15 21:09:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-15 21:09:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-15 21:09:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:09:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:09:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-10-15 21:09:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-10-15 21:09:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-10-15 21:09:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-10-15 21:09:20,360 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:09:20,360 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:09:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:09:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:09:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-10-15 21:09:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-10-15 21:09:20,361 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-10-15 21:09:20,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-10-15 21:09:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:09:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:09:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-10-15 21:09:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-10-15 21:09:20,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:09:20,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:09:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-10-15 21:09:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-10-15 21:09:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-10-15 21:09:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-10-15 21:09:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:09:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:09:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-10-15 21:09:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-10-15 21:09:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-10-15 21:09:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-10-15 21:09:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-10-15 21:09:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-10-15 21:09:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2022-10-15 21:09:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2022-10-15 21:09:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-10-15 21:09:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-10-15 21:09:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-10-15 21:09:20,368 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-10-15 21:09:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:09:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-15 21:09:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-10-15 21:09:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-15 21:09:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-15 21:09:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:09:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:09:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-10-15 21:09:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-10-15 21:09:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-10-15 21:09:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-10-15 21:09:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:09:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:09:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:09:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:09:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-10-15 21:09:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-10-15 21:09:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-10-15 21:09:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-10-15 21:09:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:09:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:09:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-15 21:09:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-15 21:09:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:09:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-10-15 21:09:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-10-15 21:09:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-15 21:09:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-15 21:09:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-15 21:09:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:09:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:09:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-10-15 21:09:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-10-15 21:09:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-10-15 21:09:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-10-15 21:09:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-10-15 21:09:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2022-10-15 21:09:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:09:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-10-15 21:09:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-10-15 21:09:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:09:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:09:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:09:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:09:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:09:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:09:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:09:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-10-15 21:09:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-10-15 21:09:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-10-15 21:09:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-10-15 21:09:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:09:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:09:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-15 21:09:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-10-15 21:09:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-10-15 21:09:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-10-15 21:09:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-15 21:09:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-15 21:09:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-10-15 21:09:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-10-15 21:09:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-10-15 21:09:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-10-15 21:09:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:09:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:09:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-10-15 21:09:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-10-15 21:09:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:09:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:09:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-10-15 21:09:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-10-15 21:09:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:09:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:09:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-10-15 21:09:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-10-15 21:09:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:09:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:09:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:09:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 21:09:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 21:09:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:09:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:09:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-15 21:09:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-15 21:09:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-10-15 21:09:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-10-15 21:09:21,402 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:09:21,408 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:09:32,040 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:09:32,077 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:09:32,077 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:09:32,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:09:32 BoogieIcfgContainer [2022-10-15 21:09:32,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:09:32,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:09:32,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:09:32,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:09:32,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:09:15" (1/3) ... [2022-10-15 21:09:32,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67de7d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:09:32, skipping insertion in model container [2022-10-15 21:09:32,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:09:19" (2/3) ... [2022-10-15 21:09:32,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67de7d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:09:32, skipping insertion in model container [2022-10-15 21:09:32,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:09:32" (3/3) ... [2022-10-15 21:09:32,113 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2022-10-15 21:09:32,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:09:32,140 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 110 error locations. [2022-10-15 21:09:32,319 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:09:32,335 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;@3fb0b99e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:09:32,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 110 error locations. [2022-10-15 21:09:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 2053 states, 1378 states have (on average 1.3664731494920175) internal successors, (1883), 1521 states have internal predecessors, (1883), 452 states have call successors, (452), 112 states have call predecessors, (452), 112 states have return successors, (452), 438 states have call predecessors, (452), 452 states have call successors, (452) [2022-10-15 21:09:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 21:09:32,368 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:32,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:09:32,370 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [usb_serial_generic_write_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_serial_generic_write_startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 108 more)] === [2022-10-15 21:09:32,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:32,379 INFO L85 PathProgramCache]: Analyzing trace with hash -1811525820, now seen corresponding path program 1 times [2022-10-15 21:09:32,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:32,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083726293] [2022-10-15 21:09:32,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:32,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:33,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:09:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:09:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:09:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:33,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:09:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:09:33,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:33,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083726293] [2022-10-15 21:09:33,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083726293] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:33,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:33,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-15 21:09:33,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982077544] [2022-10-15 21:09:33,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:33,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:09:33,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:33,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:09:33,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:09:33,912 INFO L87 Difference]: Start difference. First operand has 2053 states, 1378 states have (on average 1.3664731494920175) internal successors, (1883), 1521 states have internal predecessors, (1883), 452 states have call successors, (452), 112 states have call predecessors, (452), 112 states have return successors, (452), 438 states have call predecessors, (452), 452 states have call successors, (452) Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:09:52,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:09:52,163 INFO L93 Difference]: Finished difference Result 4530 states and 6392 transitions. [2022-10-15 21:09:52,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 21:09:52,169 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2022-10-15 21:09:52,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:09:52,242 INFO L225 Difference]: With dead ends: 4530 [2022-10-15 21:09:52,251 INFO L226 Difference]: Without dead ends: 2448 [2022-10-15 21:09:52,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-10-15 21:09:52,300 INFO L413 NwaCegarLoop]: 2511 mSDtfsCounter, 2503 mSDsluCounter, 4580 mSDsCounter, 0 mSdLazyCounter, 9606 mSolverCounterSat, 1530 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2652 SdHoareTripleChecker+Valid, 7091 SdHoareTripleChecker+Invalid, 11136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1530 IncrementalHoareTripleChecker+Valid, 9606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:09:52,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2652 Valid, 7091 Invalid, 11136 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1530 Valid, 9606 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2022-10-15 21:09:52,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2448 states. [2022-10-15 21:09:52,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2448 to 2013. [2022-10-15 21:09:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2013 states, 1358 states have (on average 1.3600883652430045) internal successors, (1847), 1492 states have internal predecessors, (1847), 435 states have call successors, (435), 110 states have call predecessors, (435), 110 states have return successors, (435), 421 states have call predecessors, (435), 435 states have call successors, (435) [2022-10-15 21:09:52,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 2013 states and 2717 transitions. [2022-10-15 21:09:52,657 INFO L78 Accepts]: Start accepts. Automaton has 2013 states and 2717 transitions. Word has length 29 [2022-10-15 21:09:52,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:09:52,658 INFO L495 AbstractCegarLoop]: Abstraction has 2013 states and 2717 transitions. [2022-10-15 21:09:52,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:09:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2717 transitions. [2022-10-15 21:09:52,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-15 21:09:52,661 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:52,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:09:52,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:09:52,662 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [usb_serial_generic_write_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_serial_generic_write_startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 108 more)] === [2022-10-15 21:09:52,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:52,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1754267518, now seen corresponding path program 1 times [2022-10-15 21:09:52,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:52,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825400224] [2022-10-15 21:09:52,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:52,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:53,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:09:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 21:09:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:53,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:09:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 21:09:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:09:53,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:53,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825400224] [2022-10-15 21:09:53,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825400224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:53,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:53,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:09:53,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837370080] [2022-10-15 21:09:53,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:53,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:09:53,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:53,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:09:53,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:09:53,116 INFO L87 Difference]: Start difference. First operand 2013 states and 2717 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)