/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 14:43:44,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 14:43:44,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 14:43:44,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 14:43:44,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 14:43:44,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 14:43:44,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 14:43:44,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 14:43:44,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 14:43:44,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 14:43:44,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 14:43:44,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 14:43:44,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 14:43:44,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 14:43:44,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 14:43:44,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 14:43:44,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 14:43:44,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 14:43:44,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 14:43:44,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 14:43:44,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 14:43:44,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 14:43:44,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 14:43:44,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 14:43:44,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 14:43:44,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 14:43:44,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 14:43:44,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 14:43:44,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 14:43:44,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 14:43:44,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 14:43:44,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 14:43:44,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 14:43:44,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 14:43:44,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 14:43:44,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 14:43:44,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 14:43:44,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 14:43:44,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 14:43:44,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 14:43:44,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 14:43:44,502 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 14:43:44,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 14:43:44,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 14:43:44,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 14:43:44,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 14:43:44,568 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 14:43:44,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 14:43:44,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 14:43:44,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 14:43:44,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 14:43:44,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 14:43:44,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 14:43:44,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 14:43:44,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 14:43:44,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 14:43:44,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 14:43:44,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 14:43:44,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 14:43:44,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:43:44,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 14:43:44,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 14:43:44,576 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 14:43:44,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 14:43:44,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 14:43:44,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 14:43:44,583 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 14:43:44,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 14:43:44,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 14:43:45,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 14:43:45,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 14:43:45,036 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 14:43:45,037 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 14:43:45,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2020-12-22 14:43:45,140 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5b3f41b/c2c3f384b32240868eb69f6f1a3b5399/FLAG9071fab6c [2020-12-22 14:43:46,330 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 14:43:46,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2020-12-22 14:43:46,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5b3f41b/c2c3f384b32240868eb69f6f1a3b5399/FLAG9071fab6c [2020-12-22 14:43:46,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d5b3f41b/c2c3f384b32240868eb69f6f1a3b5399 [2020-12-22 14:43:46,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 14:43:46,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 14:43:46,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 14:43:46,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 14:43:46,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 14:43:46,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:43:46" (1/1) ... [2020-12-22 14:43:46,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c02ea9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46, skipping insertion in model container [2020-12-22 14:43:46,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:43:46" (1/1) ... [2020-12-22 14:43:46,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 14:43:46,901 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 14:43:50,299 WARN L226 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2020-12-22 14:43:50,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:43:50,727 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 14:43:51,524 WARN L226 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i[323188,323201] [2020-12-22 14:43:51,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 14:43:52,607 INFO L208 MainTranslator]: Completed translation [2020-12-22 14:43:52,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52 WrapperNode [2020-12-22 14:43:52,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 14:43:52,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 14:43:52,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 14:43:52,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 14:43:52,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:52,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,307 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 14:43:53,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 14:43:53,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 14:43:53,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 14:43:53,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... [2020-12-22 14:43:53,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 14:43:53,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 14:43:53,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 14:43:53,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 14:43:53,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 14:43:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2020-12-22 14:43:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2020-12-22 14:43:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2020-12-22 14:43:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2020-12-22 14:43:54,023 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2020-12-22 14:43:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2020-12-22 14:43:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2020-12-22 14:43:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2020-12-22 14:43:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2020-12-22 14:43:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2020-12-22 14:43:54,024 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2020-12-22 14:43:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2020-12-22 14:43:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-12-22 14:43:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-12-22 14:43:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2020-12-22 14:43:54,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2020-12-22 14:43:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2020-12-22 14:43:54,025 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2020-12-22 14:43:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2020-12-22 14:43:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 14:43:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2020-12-22 14:43:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2020-12-22 14:43:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2020-12-22 14:43:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2020-12-22 14:43:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 14:43:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-12-22 14:43:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-12-22 14:43:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 14:43:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2020-12-22 14:43:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2020-12-22 14:43:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2020-12-22 14:43:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2020-12-22 14:43:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 14:43:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2020-12-22 14:43:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2020-12-22 14:43:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-12-22 14:43:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-12-22 14:43:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-12-22 14:43:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-12-22 14:43:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 14:43:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 14:43:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 14:43:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:43:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-12-22 14:43:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:43:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 14:43:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2020-12-22 14:43:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2020-12-22 14:43:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2020-12-22 14:43:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2020-12-22 14:43:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 14:43:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 14:43:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2020-12-22 14:43:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2020-12-22 14:43:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-12-22 14:43:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-12-22 14:43:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-12-22 14:43:54,031 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-12-22 14:43:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 14:43:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 14:43:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2020-12-22 14:43:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2020-12-22 14:43:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2020-12-22 14:43:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2020-12-22 14:43:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 14:43:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2020-12-22 14:43:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2020-12-22 14:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 14:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-12-22 14:43:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-12-22 14:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2020-12-22 14:43:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2020-12-22 14:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 14:43:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-12-22 14:43:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-12-22 14:43:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2020-12-22 14:43:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2020-12-22 14:43:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure serial_wait_until_sent [2020-12-22 14:43:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_wait_until_sent [2020-12-22 14:43:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 14:43:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2020-12-22 14:43:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2020-12-22 14:43:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-12-22 14:43:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-12-22 14:43:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2020-12-22 14:43:54,035 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2020-12-22 14:43:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2020-12-22 14:43:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2020-12-22 14:43:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:43:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-12-22 14:43:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 14:44:41,432 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 14:44:41,433 INFO L299 CfgBuilder]: Removed 2331 assume(true) statements. [2020-12-22 14:44:41,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:41 BoogieIcfgContainer [2020-12-22 14:44:41,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 14:44:41,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 14:44:41,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 14:44:41,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 14:44:41,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:43:46" (1/3) ... [2020-12-22 14:44:41,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1228c089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:41, skipping insertion in model container [2020-12-22 14:44:41,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:52" (2/3) ... [2020-12-22 14:44:41,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1228c089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:44:41, skipping insertion in model container [2020-12-22 14:44:41,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:44:41" (3/3) ... [2020-12-22 14:44:41,454 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--usb--serial--usbserial.ko-entry_point.cil.out.i [2020-12-22 14:44:41,465 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 14:44:41,474 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 53 error locations. [2020-12-22 14:44:41,499 INFO L253 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2020-12-22 14:44:41,561 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 14:44:41,562 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 14:44:41,562 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 14:44:41,562 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 14:44:41,562 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 14:44:41,563 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 14:44:41,564 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 14:44:41,564 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 14:44:41,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states. [2020-12-22 14:44:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-22 14:44:41,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:41,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:41,744 INFO L429 AbstractCegarLoop]: === Iteration 1 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:41,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:41,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1101246796, now seen corresponding path program 1 times [2020-12-22 14:44:41,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:41,763 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200839006] [2020-12-22 14:44:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:43,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200839006] [2020-12-22 14:44:43,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:43,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:44:43,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897496601] [2020-12-22 14:44:43,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 14:44:43,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:43,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 14:44:43,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:44:43,223 INFO L87 Difference]: Start difference. First operand 2747 states. Second operand 2 states. [2020-12-22 14:44:43,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:43,530 INFO L93 Difference]: Finished difference Result 5490 states and 7662 transitions. [2020-12-22 14:44:43,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 14:44:43,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 95 [2020-12-22 14:44:43,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:43,593 INFO L225 Difference]: With dead ends: 5490 [2020-12-22 14:44:43,593 INFO L226 Difference]: Without dead ends: 2732 [2020-12-22 14:44:43,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 14:44:43,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2020-12-22 14:44:43,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 2732. [2020-12-22 14:44:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2732 states. [2020-12-22 14:44:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 3635 transitions. [2020-12-22 14:44:43,854 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 3635 transitions. Word has length 95 [2020-12-22 14:44:43,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:43,855 INFO L481 AbstractCegarLoop]: Abstraction has 2732 states and 3635 transitions. [2020-12-22 14:44:43,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 14:44:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3635 transitions. [2020-12-22 14:44:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-22 14:44:43,859 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:43,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:43,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 14:44:43,861 INFO L429 AbstractCegarLoop]: === Iteration 2 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:43,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:43,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1092627974, now seen corresponding path program 1 times [2020-12-22 14:44:43,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:43,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572254932] [2020-12-22 14:44:43,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:44,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:44,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572254932] [2020-12-22 14:44:44,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:44,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:44,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668490630] [2020-12-22 14:44:44,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:44,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:44,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:44,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:44,741 INFO L87 Difference]: Start difference. First operand 2732 states and 3635 transitions. Second operand 3 states. [2020-12-22 14:44:45,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:45,384 INFO L93 Difference]: Finished difference Result 7992 states and 10730 transitions. [2020-12-22 14:44:45,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:45,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-22 14:44:45,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:45,449 INFO L225 Difference]: With dead ends: 7992 [2020-12-22 14:44:45,449 INFO L226 Difference]: Without dead ends: 5344 [2020-12-22 14:44:45,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:45,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5344 states. [2020-12-22 14:44:45,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5344 to 5200. [2020-12-22 14:44:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5200 states. [2020-12-22 14:44:45,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5200 states to 5200 states and 7091 transitions. [2020-12-22 14:44:45,762 INFO L78 Accepts]: Start accepts. Automaton has 5200 states and 7091 transitions. Word has length 95 [2020-12-22 14:44:45,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:45,765 INFO L481 AbstractCegarLoop]: Abstraction has 5200 states and 7091 transitions. [2020-12-22 14:44:45,765 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:45,765 INFO L276 IsEmpty]: Start isEmpty. Operand 5200 states and 7091 transitions. [2020-12-22 14:44:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-22 14:44:45,772 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:45,773 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:45,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 14:44:45,774 INFO L429 AbstractCegarLoop]: === Iteration 3 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:45,776 INFO L82 PathProgramCache]: Analyzing trace with hash -68543981, now seen corresponding path program 1 times [2020-12-22 14:44:45,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:45,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015931696] [2020-12-22 14:44:45,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:46,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:46,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015931696] [2020-12-22 14:44:46,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:46,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:46,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119249802] [2020-12-22 14:44:46,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:46,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:46,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:46,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:46,831 INFO L87 Difference]: Start difference. First operand 5200 states and 7091 transitions. Second operand 3 states. [2020-12-22 14:44:47,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:47,905 INFO L93 Difference]: Finished difference Result 14415 states and 19623 transitions. [2020-12-22 14:44:47,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:47,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-22 14:44:47,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:47,990 INFO L225 Difference]: With dead ends: 14415 [2020-12-22 14:44:47,990 INFO L226 Difference]: Without dead ends: 9299 [2020-12-22 14:44:48,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:48,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9299 states. [2020-12-22 14:44:48,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9299 to 9136. [2020-12-22 14:44:48,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9136 states. [2020-12-22 14:44:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9136 states to 9136 states and 12496 transitions. [2020-12-22 14:44:48,458 INFO L78 Accepts]: Start accepts. Automaton has 9136 states and 12496 transitions. Word has length 98 [2020-12-22 14:44:48,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:48,461 INFO L481 AbstractCegarLoop]: Abstraction has 9136 states and 12496 transitions. [2020-12-22 14:44:48,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:48,462 INFO L276 IsEmpty]: Start isEmpty. Operand 9136 states and 12496 transitions. [2020-12-22 14:44:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-22 14:44:48,472 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:48,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:48,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 14:44:48,473 INFO L429 AbstractCegarLoop]: === Iteration 4 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:48,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:48,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1351220361, now seen corresponding path program 1 times [2020-12-22 14:44:48,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:48,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771564722] [2020-12-22 14:44:48,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:49,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771564722] [2020-12-22 14:44:49,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:49,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:49,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995262471] [2020-12-22 14:44:49,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:49,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:49,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:49,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:49,254 INFO L87 Difference]: Start difference. First operand 9136 states and 12496 transitions. Second operand 3 states. [2020-12-22 14:44:50,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:50,310 INFO L93 Difference]: Finished difference Result 26232 states and 36121 transitions. [2020-12-22 14:44:50,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:50,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-12-22 14:44:50,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:50,479 INFO L225 Difference]: With dead ends: 26232 [2020-12-22 14:44:50,479 INFO L226 Difference]: Without dead ends: 17180 [2020-12-22 14:44:50,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:50,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17180 states. [2020-12-22 14:44:51,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17180 to 16956. [2020-12-22 14:44:51,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16956 states. [2020-12-22 14:44:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16956 states to 16956 states and 23518 transitions. [2020-12-22 14:44:51,382 INFO L78 Accepts]: Start accepts. Automaton has 16956 states and 23518 transitions. Word has length 103 [2020-12-22 14:44:51,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:51,384 INFO L481 AbstractCegarLoop]: Abstraction has 16956 states and 23518 transitions. [2020-12-22 14:44:51,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 16956 states and 23518 transitions. [2020-12-22 14:44:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-22 14:44:51,389 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:51,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:51,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 14:44:51,391 INFO L429 AbstractCegarLoop]: === Iteration 5 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:51,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:51,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1042989265, now seen corresponding path program 1 times [2020-12-22 14:44:51,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:51,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808309202] [2020-12-22 14:44:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:52,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808309202] [2020-12-22 14:44:52,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:52,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:44:52,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116329200] [2020-12-22 14:44:52,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:52,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:52,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:52,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:52,297 INFO L87 Difference]: Start difference. First operand 16956 states and 23518 transitions. Second operand 3 states. [2020-12-22 14:44:55,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:44:55,967 INFO L93 Difference]: Finished difference Result 49737 states and 69174 transitions. [2020-12-22 14:44:55,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:44:55,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-12-22 14:44:55,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:44:56,205 INFO L225 Difference]: With dead ends: 49737 [2020-12-22 14:44:56,205 INFO L226 Difference]: Without dead ends: 32865 [2020-12-22 14:44:56,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:56,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32865 states. [2020-12-22 14:44:57,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32865 to 32781. [2020-12-22 14:44:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32781 states. [2020-12-22 14:44:58,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32781 states to 32781 states and 45686 transitions. [2020-12-22 14:44:58,115 INFO L78 Accepts]: Start accepts. Automaton has 32781 states and 45686 transitions. Word has length 103 [2020-12-22 14:44:58,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:44:58,115 INFO L481 AbstractCegarLoop]: Abstraction has 32781 states and 45686 transitions. [2020-12-22 14:44:58,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:44:58,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32781 states and 45686 transitions. [2020-12-22 14:44:58,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-22 14:44:58,120 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:44:58,120 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:44:58,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 14:44:58,121 INFO L429 AbstractCegarLoop]: === Iteration 6 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:44:58,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:44:58,122 INFO L82 PathProgramCache]: Analyzing trace with hash -480392852, now seen corresponding path program 1 times [2020-12-22 14:44:58,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:44:58,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733527618] [2020-12-22 14:44:58,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:44:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:44:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:44:59,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733527618] [2020-12-22 14:44:59,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:44:59,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:44:59,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138218302] [2020-12-22 14:44:59,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:44:59,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:44:59,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:44:59,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:44:59,230 INFO L87 Difference]: Start difference. First operand 32781 states and 45686 transitions. Second operand 3 states. [2020-12-22 14:45:02,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:02,022 INFO L93 Difference]: Finished difference Result 94753 states and 134594 transitions. [2020-12-22 14:45:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:45:02,023 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-12-22 14:45:02,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:02,639 INFO L225 Difference]: With dead ends: 94753 [2020-12-22 14:45:02,639 INFO L226 Difference]: Without dead ends: 62056 [2020-12-22 14:45:02,863 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:02,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62056 states. [2020-12-22 14:45:05,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62056 to 61795. [2020-12-22 14:45:05,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61795 states. [2020-12-22 14:45:06,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61795 states to 61795 states and 87556 transitions. [2020-12-22 14:45:06,200 INFO L78 Accepts]: Start accepts. Automaton has 61795 states and 87556 transitions. Word has length 110 [2020-12-22 14:45:06,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:06,201 INFO L481 AbstractCegarLoop]: Abstraction has 61795 states and 87556 transitions. [2020-12-22 14:45:06,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:45:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 61795 states and 87556 transitions. [2020-12-22 14:45:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-22 14:45:06,203 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:06,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:06,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 14:45:06,204 INFO L429 AbstractCegarLoop]: === Iteration 7 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:06,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:06,205 INFO L82 PathProgramCache]: Analyzing trace with hash -2007263563, now seen corresponding path program 1 times [2020-12-22 14:45:06,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:06,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686017922] [2020-12-22 14:45:06,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:45:07,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686017922] [2020-12-22 14:45:07,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:07,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:45:07,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917264257] [2020-12-22 14:45:07,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:45:07,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:07,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:45:07,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:07,212 INFO L87 Difference]: Start difference. First operand 61795 states and 87556 transitions. Second operand 3 states. [2020-12-22 14:45:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:09,091 INFO L93 Difference]: Finished difference Result 61795 states and 87556 transitions. [2020-12-22 14:45:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:45:09,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-22 14:45:09,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:09,477 INFO L225 Difference]: With dead ends: 61795 [2020-12-22 14:45:09,478 INFO L226 Difference]: Without dead ends: 61793 [2020-12-22 14:45:09,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:09,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61793 states. [2020-12-22 14:45:12,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61793 to 61793. [2020-12-22 14:45:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61793 states. [2020-12-22 14:45:12,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61793 states to 61793 states and 87554 transitions. [2020-12-22 14:45:12,681 INFO L78 Accepts]: Start accepts. Automaton has 61793 states and 87554 transitions. Word has length 111 [2020-12-22 14:45:12,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:12,682 INFO L481 AbstractCegarLoop]: Abstraction has 61793 states and 87554 transitions. [2020-12-22 14:45:12,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:45:12,682 INFO L276 IsEmpty]: Start isEmpty. Operand 61793 states and 87554 transitions. [2020-12-22 14:45:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-22 14:45:12,684 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:12,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:12,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 14:45:12,685 INFO L429 AbstractCegarLoop]: === Iteration 8 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:12,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:12,686 INFO L82 PathProgramCache]: Analyzing trace with hash -2095615338, now seen corresponding path program 1 times [2020-12-22 14:45:12,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:12,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24271405] [2020-12-22 14:45:12,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:13,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:45:13,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24271405] [2020-12-22 14:45:13,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:13,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:45:13,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662002240] [2020-12-22 14:45:13,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:45:13,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:13,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:45:13,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:13,826 INFO L87 Difference]: Start difference. First operand 61793 states and 87554 transitions. Second operand 3 states. [2020-12-22 14:45:16,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:16,122 INFO L93 Difference]: Finished difference Result 61793 states and 87554 transitions. [2020-12-22 14:45:16,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:45:16,123 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-22 14:45:16,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:16,512 INFO L225 Difference]: With dead ends: 61793 [2020-12-22 14:45:16,513 INFO L226 Difference]: Without dead ends: 61791 [2020-12-22 14:45:16,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61791 states. [2020-12-22 14:45:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61791 to 61791. [2020-12-22 14:45:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61791 states. [2020-12-22 14:45:19,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61791 states to 61791 states and 87552 transitions. [2020-12-22 14:45:19,206 INFO L78 Accepts]: Start accepts. Automaton has 61791 states and 87552 transitions. Word has length 112 [2020-12-22 14:45:19,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:19,206 INFO L481 AbstractCegarLoop]: Abstraction has 61791 states and 87552 transitions. [2020-12-22 14:45:19,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:45:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 61791 states and 87552 transitions. [2020-12-22 14:45:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-22 14:45:19,209 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:19,209 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:19,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 14:45:19,210 INFO L429 AbstractCegarLoop]: === Iteration 9 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:19,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:19,210 INFO L82 PathProgramCache]: Analyzing trace with hash -539553057, now seen corresponding path program 1 times [2020-12-22 14:45:19,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:19,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592338525] [2020-12-22 14:45:19,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:45:20,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592338525] [2020-12-22 14:45:20,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:20,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:45:20,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674448666] [2020-12-22 14:45:20,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:45:20,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:20,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:45:20,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:20,134 INFO L87 Difference]: Start difference. First operand 61791 states and 87552 transitions. Second operand 3 states. [2020-12-22 14:45:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:22,204 INFO L93 Difference]: Finished difference Result 61791 states and 87552 transitions. [2020-12-22 14:45:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:45:22,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-22 14:45:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:22,472 INFO L225 Difference]: With dead ends: 61791 [2020-12-22 14:45:22,472 INFO L226 Difference]: Without dead ends: 61789 [2020-12-22 14:45:22,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:22,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61789 states. [2020-12-22 14:45:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61789 to 61789. [2020-12-22 14:45:24,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61789 states. [2020-12-22 14:45:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61789 states to 61789 states and 87550 transitions. [2020-12-22 14:45:25,297 INFO L78 Accepts]: Start accepts. Automaton has 61789 states and 87550 transitions. Word has length 113 [2020-12-22 14:45:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:25,298 INFO L481 AbstractCegarLoop]: Abstraction has 61789 states and 87550 transitions. [2020-12-22 14:45:25,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:45:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 61789 states and 87550 transitions. [2020-12-22 14:45:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-22 14:45:25,300 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:25,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:25,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 14:45:25,301 INFO L429 AbstractCegarLoop]: === Iteration 10 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:25,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:25,302 INFO L82 PathProgramCache]: Analyzing trace with hash 453737408, now seen corresponding path program 1 times [2020-12-22 14:45:25,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:25,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224132587] [2020-12-22 14:45:25,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:45:25,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224132587] [2020-12-22 14:45:25,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:25,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 14:45:25,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737241615] [2020-12-22 14:45:25,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:45:25,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:25,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:45:25,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:25,966 INFO L87 Difference]: Start difference. First operand 61789 states and 87550 transitions. Second operand 3 states. [2020-12-22 14:45:28,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:45:28,068 INFO L93 Difference]: Finished difference Result 61789 states and 87550 transitions. [2020-12-22 14:45:28,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:45:28,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-22 14:45:28,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:45:28,384 INFO L225 Difference]: With dead ends: 61789 [2020-12-22 14:45:28,384 INFO L226 Difference]: Without dead ends: 61752 [2020-12-22 14:45:28,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:45:28,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61752 states. [2020-12-22 14:45:30,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61752 to 61752. [2020-12-22 14:45:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61752 states. [2020-12-22 14:45:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61752 states to 61752 states and 87301 transitions. [2020-12-22 14:45:31,107 INFO L78 Accepts]: Start accepts. Automaton has 61752 states and 87301 transitions. Word has length 114 [2020-12-22 14:45:31,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:45:31,107 INFO L481 AbstractCegarLoop]: Abstraction has 61752 states and 87301 transitions. [2020-12-22 14:45:31,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:45:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 61752 states and 87301 transitions. [2020-12-22 14:45:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-22 14:45:31,118 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:45:31,118 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:45:31,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 14:45:31,119 INFO L429 AbstractCegarLoop]: === Iteration 11 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:45:31,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:45:31,119 INFO L82 PathProgramCache]: Analyzing trace with hash -628065741, now seen corresponding path program 1 times [2020-12-22 14:45:31,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:45:31,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587760421] [2020-12-22 14:45:31,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:45:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-12-22 14:45:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:45:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:45:32,009 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587760421] [2020-12-22 14:45:32,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:45:32,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 14:45:32,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054464776] [2020-12-22 14:45:32,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 14:45:32,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:45:32,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 14:45:32,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 14:45:32,012 INFO L87 Difference]: Start difference. First operand 61752 states and 87301 transitions. Second operand 4 states. [2020-12-22 14:46:04,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:46:04,782 INFO L93 Difference]: Finished difference Result 193710 states and 274953 transitions. [2020-12-22 14:46:04,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 14:46:04,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-12-22 14:46:04,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:46:05,506 INFO L225 Difference]: With dead ends: 193710 [2020-12-22 14:46:05,506 INFO L226 Difference]: Without dead ends: 132042 [2020-12-22 14:46:06,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:46:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132042 states. [2020-12-22 14:46:11,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132042 to 128678. [2020-12-22 14:46:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128678 states. [2020-12-22 14:46:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128678 states to 128678 states and 183109 transitions. [2020-12-22 14:46:12,435 INFO L78 Accepts]: Start accepts. Automaton has 128678 states and 183109 transitions. Word has length 142 [2020-12-22 14:46:12,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:46:12,435 INFO L481 AbstractCegarLoop]: Abstraction has 128678 states and 183109 transitions. [2020-12-22 14:46:12,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 14:46:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 128678 states and 183109 transitions. [2020-12-22 14:46:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-22 14:46:12,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:46:12,441 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:46:12,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 14:46:12,442 INFO L429 AbstractCegarLoop]: === Iteration 12 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:46:12,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:46:12,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1956909992, now seen corresponding path program 1 times [2020-12-22 14:46:12,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:46:12,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991366345] [2020-12-22 14:46:12,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:46:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:46:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:46:13,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991366345] [2020-12-22 14:46:13,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:46:13,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 14:46:13,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306113278] [2020-12-22 14:46:13,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 14:46:13,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:46:13,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 14:46:13,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 14:46:13,287 INFO L87 Difference]: Start difference. First operand 128678 states and 183109 transitions. Second operand 5 states. [2020-12-22 14:46:26,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:46:26,302 INFO L93 Difference]: Finished difference Result 260874 states and 370643 transitions. [2020-12-22 14:46:26,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 14:46:26,302 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-12-22 14:46:26,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:46:27,308 INFO L225 Difference]: With dead ends: 260874 [2020-12-22 14:46:27,308 INFO L226 Difference]: Without dead ends: 131992 [2020-12-22 14:46:27,803 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 14:46:27,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131992 states. [2020-12-22 14:46:32,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131992 to 128499. [2020-12-22 14:46:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128499 states. [2020-12-22 14:46:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128499 states to 128499 states and 182925 transitions. [2020-12-22 14:46:33,834 INFO L78 Accepts]: Start accepts. Automaton has 128499 states and 182925 transitions. Word has length 153 [2020-12-22 14:46:33,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:46:33,835 INFO L481 AbstractCegarLoop]: Abstraction has 128499 states and 182925 transitions. [2020-12-22 14:46:33,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 14:46:33,835 INFO L276 IsEmpty]: Start isEmpty. Operand 128499 states and 182925 transitions. [2020-12-22 14:46:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-22 14:46:33,844 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:46:33,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:46:33,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 14:46:33,845 INFO L429 AbstractCegarLoop]: === Iteration 13 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:46:33,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:46:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1925289297, now seen corresponding path program 1 times [2020-12-22 14:46:33,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:46:33,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414495303] [2020-12-22 14:46:33,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:46:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:46:35,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:46:35,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414495303] [2020-12-22 14:46:35,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:46:35,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:46:35,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805430609] [2020-12-22 14:46:35,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:46:35,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:46:35,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:46:35,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:46:35,477 INFO L87 Difference]: Start difference. First operand 128499 states and 182925 transitions. Second operand 3 states. [2020-12-22 14:46:42,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:46:42,138 INFO L93 Difference]: Finished difference Result 128499 states and 182925 transitions. [2020-12-22 14:46:42,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:46:42,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-12-22 14:46:42,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:46:42,736 INFO L225 Difference]: With dead ends: 128499 [2020-12-22 14:46:42,736 INFO L226 Difference]: Without dead ends: 128451 [2020-12-22 14:46:42,789 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:46:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128451 states. [2020-12-22 14:46:47,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128451 to 128451. [2020-12-22 14:46:47,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128451 states. [2020-12-22 14:46:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128451 states to 128451 states and 182276 transitions. [2020-12-22 14:46:48,701 INFO L78 Accepts]: Start accepts. Automaton has 128451 states and 182276 transitions. Word has length 153 [2020-12-22 14:46:48,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 14:46:48,702 INFO L481 AbstractCegarLoop]: Abstraction has 128451 states and 182276 transitions. [2020-12-22 14:46:48,702 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 14:46:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 128451 states and 182276 transitions. [2020-12-22 14:46:48,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-22 14:46:48,705 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 14:46:48,705 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 14:46:48,705 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 14:46:48,705 INFO L429 AbstractCegarLoop]: === Iteration 14 === [##fun~$Pointer$~TO~VOIDErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~VOIDErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_wait_until_sentErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr0ASSERT_VIOLATIONERROR_FUNCTION, serial_cleanupErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr1ASSERT_VIOLATIONERROR_FUNCTION, destroy_serialErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr1ASSERT_VIOLATIONERROR_FUNCTION, serial_port_activateErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr4ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr6ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr5ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr1ASSERT_VIOLATIONERROR_FUNCTION, usb_serial_disconnectErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 14:46:48,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 14:46:48,706 INFO L82 PathProgramCache]: Analyzing trace with hash 921476481, now seen corresponding path program 1 times [2020-12-22 14:46:48,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 14:46:48,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088124299] [2020-12-22 14:46:48,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 14:46:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 14:46:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 14:46:50,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088124299] [2020-12-22 14:46:50,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 14:46:50,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 14:46:50,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046824834] [2020-12-22 14:46:50,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 14:46:50,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 14:46:50,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 14:46:50,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:46:50,049 INFO L87 Difference]: Start difference. First operand 128451 states and 182276 transitions. Second operand 3 states. [2020-12-22 14:46:54,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 14:46:54,281 INFO L93 Difference]: Finished difference Result 193956 states and 275002 transitions. [2020-12-22 14:46:54,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 14:46:54,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-12-22 14:46:54,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 14:46:55,122 INFO L225 Difference]: With dead ends: 193956 [2020-12-22 14:46:55,123 INFO L226 Difference]: Without dead ends: 65913 [2020-12-22 14:46:55,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 14:46:56,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65913 states.