/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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:13:11,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:13:11,013 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:13:11,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:13:11,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:13:11,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:13:11,076 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:13:11,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:13:11,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:13:11,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:13:11,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:13:11,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:13:11,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:13:11,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:13:11,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:13:11,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:13:11,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:13:11,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:13:11,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:13:11,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:13:11,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:13:11,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:13:11,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:13:11,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:13:11,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:13:11,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:13:11,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:13:11,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:13:11,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:13:11,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:13:11,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:13:11,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:13:11,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:13:11,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:13:11,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:13:11,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:13:11,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:13:11,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:13:11,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:13:11,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:13:11,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:13:11,147 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 21:13:11,176 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:13:11,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:13:11,177 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:13:11,177 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:13:11,178 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:13:11,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:13:11,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:13:11,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:13:11,180 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:13:11,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:13:11,180 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:13:11,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:13:11,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:13:11,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:13:11,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:13:11,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:13:11,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:13:11,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:13:11,183 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:13:11,183 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:13:11,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:13:11,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:13:11,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:13:11,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:13:11,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:13:11,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:13:11,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:13:11,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:13:11,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:13:11,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:13:11,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:13:11,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:13:11,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:13:11,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:13:11,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:13:11,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:13:11,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:13:11,648 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:13:11,649 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:13:11,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-10-15 21:13:11,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804ead082/b60bbf3d329246b1b0a28a319b6dc1b6/FLAG0ed45e784 [2022-10-15 21:13:12,957 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:13:12,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-10-15 21:13:13,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804ead082/b60bbf3d329246b1b0a28a319b6dc1b6/FLAG0ed45e784 [2022-10-15 21:13:13,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804ead082/b60bbf3d329246b1b0a28a319b6dc1b6 [2022-10-15 21:13:13,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:13:13,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:13:13,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:13:13,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:13:13,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:13:13,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:13:13" (1/1) ... [2022-10-15 21:13:13,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3895fb9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:13, skipping insertion in model container [2022-10-15 21:13:13,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:13:13" (1/1) ... [2022-10-15 21:13:13,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:13:13,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:13:14,789 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2022-10-15 21:13:16,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:13:16,268 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:13:16,396 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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[119996,120009] [2022-10-15 21:13:16,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:13:17,039 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:13:17,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17 WrapperNode [2022-10-15 21:13:17,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:13:17,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:13:17,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:13:17,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:13:17,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,422 INFO L138 Inliner]: procedures = 371, calls = 3017, calls flagged for inlining = 198, calls inlined = 180, statements flattened = 6390 [2022-10-15 21:13:17,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:13:17,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:13:17,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:13:17,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:13:17,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:13:17,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:13:17,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:13:17,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:13:17,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (1/1) ... [2022-10-15 21:13:17,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:13:17,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:13:17,899 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 21:13:17,916 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 21:13:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2022-10-15 21:13:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2022-10-15 21:13:17,967 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2022-10-15 21:13:17,967 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2022-10-15 21:13:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2022-10-15 21:13:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2022-10-15 21:13:17,968 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2022-10-15 21:13:17,968 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2022-10-15 21:13:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:13:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-10-15 21:13:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_14 [2022-10-15 21:13:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_14 [2022-10-15 21:13:17,969 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2022-10-15 21:13:17,969 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2022-10-15 21:13:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:13:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:13:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-10-15 21:13:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-10-15 21:13:17,970 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2022-10-15 21:13:17,970 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2022-10-15 21:13:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2022-10-15 21:13:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2022-10-15 21:13:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_show [2022-10-15 21:13:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_show [2022-10-15 21:13:17,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-10-15 21:13:17,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-10-15 21:13:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2022-10-15 21:13:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2022-10-15 21:13:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-15 21:13:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-15 21:13:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-10-15 21:13:17,972 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-10-15 21:13:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2022-10-15 21:13:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2022-10-15 21:13:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:13:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:13:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-10-15 21:13:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-10-15 21:13:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-10-15 21:13:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-10-15 21:13:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-10-15 21:13:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-10-15 21:13:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_5 [2022-10-15 21:13:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_5 [2022-10-15 21:13:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2022-10-15 21:13:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2022-10-15 21:13:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2022-10-15 21:13:17,975 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2022-10-15 21:13:17,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:13:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:13:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:13:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:13:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2022-10-15 21:13:17,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2022-10-15 21:13:17,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2022-10-15 21:13:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2022-10-15 21:13:17,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2022-10-15 21:13:17,978 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2022-10-15 21:13:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-10-15 21:13:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-10-15 21:13:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2022-10-15 21:13:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2022-10-15 21:13:17,979 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:13:17,979 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:13:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:13:17,980 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:13:17,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2022-10-15 21:13:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2022-10-15 21:13:17,981 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2022-10-15 21:13:17,981 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2022-10-15 21:13:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2022-10-15 21:13:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2022-10-15 21:13:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2022-10-15 21:13:17,983 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2022-10-15 21:13:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure new_id_store [2022-10-15 21:13:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure new_id_store [2022-10-15 21:13:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___2 [2022-10-15 21:13:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___2 [2022-10-15 21:13:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2022-10-15 21:13:17,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2022-10-15 21:13:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:13:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-10-15 21:13:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 21:13:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 21:13:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:13:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-10-15 21:13:17,985 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-10-15 21:13:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2022-10-15 21:13:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2022-10-15 21:13:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-10-15 21:13:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-10-15 21:13:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2022-10-15 21:13:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2022-10-15 21:13:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2022-10-15 21:13:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2022-10-15 21:13:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-10-15 21:13:17,989 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-10-15 21:13:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:13:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:13:17,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:13:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-15 21:13:17,990 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2022-10-15 21:13:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2022-10-15 21:13:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2022-10-15 21:13:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2022-10-15 21:13:17,991 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-10-15 21:13:17,991 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-10-15 21:13:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-15 21:13:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-15 21:13:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2022-10-15 21:13:17,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2022-10-15 21:13:17,992 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2022-10-15 21:13:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2022-10-15 21:13:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:13:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:13:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2022-10-15 21:13:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2022-10-15 21:13:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:13:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-10-15 21:13:17,994 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-10-15 21:13:17,994 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-10-15 21:13:17,995 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-15 21:13:17,996 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-15 21:13:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2022-10-15 21:13:18,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2022-10-15 21:13:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2022-10-15 21:13:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2022-10-15 21:13:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-15 21:13:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-15 21:13:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-10-15 21:13:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-10-15 21:13:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-10-15 21:13:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-10-15 21:13:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2022-10-15 21:13:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2022-10-15 21:13:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-10-15 21:13:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-10-15 21:13:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2022-10-15 21:13:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2022-10-15 21:13:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-15 21:13:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-15 21:13:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2022-10-15 21:13:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2022-10-15 21:13:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2022-10-15 21:13:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2022-10-15 21:13:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:13:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:13:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2022-10-15 21:13:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2022-10-15 21:13:18,053 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 21:13:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 21:13:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-10-15 21:13:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-10-15 21:13:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2022-10-15 21:13:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2022-10-15 21:13:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2022-10-15 21:13:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2022-10-15 21:13:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2022-10-15 21:13:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2022-10-15 21:13:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2022-10-15 21:13:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2022-10-15 21:13:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:13:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2022-10-15 21:13:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2022-10-15 21:13:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-10-15 21:13:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-10-15 21:13:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2022-10-15 21:13:18,055 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2022-10-15 21:13:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-15 21:13:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-15 21:13:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2022-10-15 21:13:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2022-10-15 21:13:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2022-10-15 21:13:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2022-10-15 21:13:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 21:13:18,056 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 21:13:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-15 21:13:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-15 21:13:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-10-15 21:13:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-10-15 21:13:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2022-10-15 21:13:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2022-10-15 21:13:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:13:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:13:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_41 [2022-10-15 21:13:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_41 [2022-10-15 21:13:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_42 [2022-10-15 21:13:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_42 [2022-10-15 21:13:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-15 21:13:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-10-15 21:13:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:13:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2022-10-15 21:13:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2022-10-15 21:13:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2022-10-15 21:13:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2022-10-15 21:13:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-10-15 21:13:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-10-15 21:13:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:13:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:13:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2022-10-15 21:13:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2022-10-15 21:13:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2022-10-15 21:13:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2022-10-15 21:13:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_get_by_minor [2022-10-15 21:13:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_get_by_minor [2022-10-15 21:13:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:13:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2022-10-15 21:13:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2022-10-15 21:13:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:13:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 21:13:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 21:13:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:13:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-15 21:13:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_18 [2022-10-15 21:13:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_18 [2022-10-15 21:13:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kref_put_4 [2022-10-15 21:13:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kref_put_4 [2022-10-15 21:13:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:13:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-15 21:13:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:13:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-15 21:13:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2022-10-15 21:13:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2022-10-15 21:13:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-10-15 21:13:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-10-15 21:13:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2022-10-15 21:13:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2022-10-15 21:13:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_22 [2022-10-15 21:13:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_22 [2022-10-15 21:13:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2022-10-15 21:13:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2022-10-15 21:13:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2022-10-15 21:13:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2022-10-15 21:13:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2022-10-15 21:13:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2022-10-15 21:13:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2022-10-15 21:13:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2022-10-15 21:13:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-15 21:13:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-15 21:13:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2022-10-15 21:13:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2022-10-15 21:13:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:13:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-15 21:13:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2022-10-15 21:13:18,064 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2022-10-15 21:13:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 21:13:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 21:13:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-10-15 21:13:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-10-15 21:13:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:13:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:13:18,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:13:18,071 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-10-15 21:13:18,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-10-15 21:13:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2022-10-15 21:13:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2022-10-15 21:13:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:13:18,073 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:13:18,969 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:13:18,974 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:13:19,445 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:13:20,275 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___2FINAL: assume true; [2022-10-15 21:13:28,900 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:13:28,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:13:28,935 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:13:28,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:13:28 BoogieIcfgContainer [2022-10-15 21:13:28,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:13:28,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:13:28,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:13:28,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:13:28,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:13:13" (1/3) ... [2022-10-15 21:13:28,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56533dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:13:28, skipping insertion in model container [2022-10-15 21:13:28,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:13:17" (2/3) ... [2022-10-15 21:13:28,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56533dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:13:28, skipping insertion in model container [2022-10-15 21:13:28,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:13:28" (3/3) ... [2022-10-15 21:13:28,951 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2022-10-15 21:13:28,976 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:13:28,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 128 error locations. [2022-10-15 21:13:29,115 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:13:29,123 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;@2adec65a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:13:29,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 128 error locations. [2022-10-15 21:13:29,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 2347 states, 1633 states have (on average 1.3937538273116963) internal successors, (2276), 1801 states have internal predecessors, (2276), 465 states have call successors, (465), 122 states have call predecessors, (465), 120 states have return successors, (451), 440 states have call predecessors, (451), 451 states have call successors, (451) [2022-10-15 21:13:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 21:13:29,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:13:29,162 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-10-15 21:13:29,163 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [usb_serial_generic_write_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_serial_generic_write_startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 126 more)] === [2022-10-15 21:13:29,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:13:29,169 INFO L85 PathProgramCache]: Analyzing trace with hash -494807025, now seen corresponding path program 1 times [2022-10-15 21:13:29,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:13:29,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301536739] [2022-10-15 21:13:29,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:13:29,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:13:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:13:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:13:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:13:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:13:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:13:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:13:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:13:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:13:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-15 21:13:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:30,349 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-15 21:13:30,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:13:30,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301536739] [2022-10-15 21:13:30,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301536739] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:13:30,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:13:30,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:13:30,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849771620] [2022-10-15 21:13:30,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:13:30,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:13:30,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:13:30,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:13:30,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:13:30,400 INFO L87 Difference]: Start difference. First operand has 2347 states, 1633 states have (on average 1.3937538273116963) internal successors, (2276), 1801 states have internal predecessors, (2276), 465 states have call successors, (465), 122 states have call predecessors, (465), 120 states have return successors, (451), 440 states have call predecessors, (451), 451 states have call successors, (451) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:13:34,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:13:41,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:13:41,163 INFO L93 Difference]: Finished difference Result 7544 states and 10743 transitions. [2022-10-15 21:13:41,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:13:41,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 68 [2022-10-15 21:13:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:13:41,253 INFO L225 Difference]: With dead ends: 7544 [2022-10-15 21:13:41,253 INFO L226 Difference]: Without dead ends: 5111 [2022-10-15 21:13:41,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:13:41,292 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 4513 mSDsluCounter, 4087 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 1439 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4846 SdHoareTripleChecker+Valid, 7492 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1439 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:13:41,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4846 Valid, 7492 Invalid, 3529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1439 Valid, 2089 Invalid, 1 Unknown, 0 Unchecked, 10.0s Time] [2022-10-15 21:13:41,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5111 states. [2022-10-15 21:13:41,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5111 to 4419. [2022-10-15 21:13:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 3185 states have (on average 1.383673469387755) internal successors, (4407), 3351 states have internal predecessors, (4407), 868 states have call successors, (868), 238 states have call predecessors, (868), 238 states have return successors, (868), 845 states have call predecessors, (868), 868 states have call successors, (868) [2022-10-15 21:13:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6143 transitions. [2022-10-15 21:13:41,753 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6143 transitions. Word has length 68 [2022-10-15 21:13:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:13:41,755 INFO L495 AbstractCegarLoop]: Abstraction has 4419 states and 6143 transitions. [2022-10-15 21:13:41,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:13:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6143 transitions. [2022-10-15 21:13:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-15 21:13:41,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:13:41,769 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-10-15 21:13:41,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:13:41,770 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [usb_serial_generic_write_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_serial_generic_write_startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 126 more)] === [2022-10-15 21:13:41,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:13:41,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1104874358, now seen corresponding path program 1 times [2022-10-15 21:13:41,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:13:41,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685405485] [2022-10-15 21:13:41,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:13:41,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:13:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:13:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:13:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:13:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:13:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:13:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:13:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:13:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:13:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-15 21:13:42,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:13:42,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685405485] [2022-10-15 21:13:42,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685405485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:13:42,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:13:42,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:13:42,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602706973] [2022-10-15 21:13:42,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:13:42,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:13:42,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:13:42,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:13:42,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:13:42,439 INFO L87 Difference]: Start difference. First operand 4419 states and 6143 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:13:46,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:13:53,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:13:53,140 INFO L93 Difference]: Finished difference Result 14136 states and 19953 transitions. [2022-10-15 21:13:53,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:13:53,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 68 [2022-10-15 21:13:53,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:13:53,231 INFO L225 Difference]: With dead ends: 14136 [2022-10-15 21:13:53,231 INFO L226 Difference]: Without dead ends: 9738 [2022-10-15 21:13:53,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:13:53,276 INFO L413 NwaCegarLoop]: 3368 mSDtfsCounter, 4393 mSDsluCounter, 4001 mSDsCounter, 0 mSdLazyCounter, 2036 mSolverCounterSat, 1368 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4710 SdHoareTripleChecker+Valid, 7369 SdHoareTripleChecker+Invalid, 3405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1368 IncrementalHoareTripleChecker+Valid, 2036 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:13:53,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4710 Valid, 7369 Invalid, 3405 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1368 Valid, 2036 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-10-15 21:13:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9738 states. [2022-10-15 21:13:53,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9738 to 8528. [2022-10-15 21:13:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8528 states, 6240 states have (on average 1.3871794871794871) internal successors, (8656), 6442 states have internal predecessors, (8656), 1696 states have call successors, (1696), 464 states have call predecessors, (1696), 464 states have return successors, (1696), 1651 states have call predecessors, (1696), 1696 states have call successors, (1696) [2022-10-15 21:13:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8528 states to 8528 states and 12048 transitions. [2022-10-15 21:13:53,963 INFO L78 Accepts]: Start accepts. Automaton has 8528 states and 12048 transitions. Word has length 68 [2022-10-15 21:13:53,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:13:53,966 INFO L495 AbstractCegarLoop]: Abstraction has 8528 states and 12048 transitions. [2022-10-15 21:13:53,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-10-15 21:13:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 8528 states and 12048 transitions. [2022-10-15 21:13:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-15 21:13:53,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:13:53,972 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-10-15 21:13:53,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:13:53,973 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [usb_serial_generic_write_startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, usb_serial_generic_write_startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 126 more)] === [2022-10-15 21:13:53,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:13:53,973 INFO L85 PathProgramCache]: Analyzing trace with hash -989189798, now seen corresponding path program 1 times [2022-10-15 21:13:53,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:13:53,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091381576] [2022-10-15 21:13:53,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:13:53,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:13:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:13:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:13:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:13:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:13:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:13:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-10-15 21:13:54,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-10-15 21:13:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 21:13:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:13:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:13:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-15 21:13:54,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:13:54,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091381576] [2022-10-15 21:13:54,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091381576] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:13:54,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:13:54,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:13:54,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385822264] [2022-10-15 21:13:54,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:13:54,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:13:54,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:13:54,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:13:54,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:13:54,567 INFO L87 Difference]: Start difference. First operand 8528 states and 12048 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-10-15 21:13:58,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []