java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:32:01,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:32:01,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:32:01,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:32:01,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:32:01,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:32:01,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:32:01,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:32:01,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:32:01,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:32:01,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:32:01,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:32:01,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:32:01,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:32:01,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:32:01,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:32:01,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:32:01,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:32:01,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:32:01,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:32:01,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:32:01,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:32:01,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:32:01,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:32:01,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:32:01,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:32:01,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:32:01,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:32:01,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:32:01,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:32:01,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:32:01,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:32:01,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:32:01,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:32:01,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:32:01,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:32:01,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:32:01,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:32:01,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:32:01,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:32:01,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:32:01,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 22:32:01,377 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:32:01,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:32:01,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:32:01,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:32:01,380 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:32:01,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:32:01,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:32:01,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:32:01,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:32:01,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:32:01,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:32:01,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:32:01,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:32:01,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:32:01,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:32:01,384 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:32:01,384 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:32:01,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:32:01,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:32:01,386 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:32:01,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:32:01,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:32:01,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:32:01,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:32:01,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:32:01,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:32:01,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:32:01,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:32:01,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:32:01,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:32:01,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:32:01,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:32:01,710 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:32:01,710 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:32:01,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2019-10-14 22:32:01,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b757169/c7a370a159d54daeb7ea1b1c9439f099/FLAGd3926424d [2019-10-14 22:32:02,460 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:32:02,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2019-10-14 22:32:02,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b757169/c7a370a159d54daeb7ea1b1c9439f099/FLAGd3926424d [2019-10-14 22:32:02,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b757169/c7a370a159d54daeb7ea1b1c9439f099 [2019-10-14 22:32:02,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:32:02,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:32:02,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:32:02,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:32:02,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:32:02,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:32:02" (1/1) ... [2019-10-14 22:32:02,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec0e894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:02, skipping insertion in model container [2019-10-14 22:32:02,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:32:02" (1/1) ... [2019-10-14 22:32:02,594 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:32:02,686 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:32:03,261 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2019-10-14 22:32:03,262 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2019-10-14 22:32:03,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:32:03,955 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:32:04,017 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2019-10-14 22:32:04,018 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2019-10-14 22:32:04,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:32:04,318 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:32:04,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04 WrapperNode [2019-10-14 22:32:04,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:32:04,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:32:04,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:32:04,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:32:04,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2019-10-14 22:32:04,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2019-10-14 22:32:04,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2019-10-14 22:32:04,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2019-10-14 22:32:04,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2019-10-14 22:32:04,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2019-10-14 22:32:04,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (1/1) ... [2019-10-14 22:32:04,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:32:04,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:32:04,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:32:04,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:32:04,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (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 [2019-10-14 22:32:04,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:32:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:32:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:32:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-14 22:32:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-14 22:32:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-14 22:32:04,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2019-10-14 22:32:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2019-10-14 22:32:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2019-10-14 22:32:04,702 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2019-10-14 22:32:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-14 22:32:04,703 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2019-10-14 22:32:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2019-10-14 22:32:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2019-10-14 22:32:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-14 22:32:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-14 22:32:04,706 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-14 22:32:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:32:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:32:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:32:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:32:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:32:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:32:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-14 22:32:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2019-10-14 22:32:04,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2019-10-14 22:32:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2019-10-14 22:32:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2019-10-14 22:32:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2019-10-14 22:32:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2019-10-14 22:32:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2019-10-14 22:32:04,710 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2019-10-14 22:32:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2019-10-14 22:32:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2019-10-14 22:32:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2019-10-14 22:32:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2019-10-14 22:32:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2019-10-14 22:32:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2019-10-14 22:32:04,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2019-10-14 22:32:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2019-10-14 22:32:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2019-10-14 22:32:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2019-10-14 22:32:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2019-10-14 22:32:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2019-10-14 22:32:04,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2019-10-14 22:32:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2019-10-14 22:32:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:32:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:32:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:32:04,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-14 22:32:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:32:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-14 22:32:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-14 22:32:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-14 22:32:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-14 22:32:04,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-14 22:32:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2019-10-14 22:32:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2019-10-14 22:32:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2019-10-14 22:32:04,715 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2019-10-14 22:32:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2019-10-14 22:32:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2019-10-14 22:32:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2019-10-14 22:32:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-14 22:32:04,716 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-14 22:32:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-14 22:32:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-14 22:32:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-14 22:32:04,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-14 22:32:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2019-10-14 22:32:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:32:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:32:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-14 22:32:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-14 22:32:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-14 22:32:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:32:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-14 22:32:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-14 22:32:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2019-10-14 22:32:04,719 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2019-10-14 22:32:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:32:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:32:04,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:32:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:32:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:32:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-14 22:32:04,720 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-10-14 22:32:04,721 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-14 22:32:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2019-10-14 22:32:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:32:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-14 22:32:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2019-10-14 22:32:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2019-10-14 22:32:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2019-10-14 22:32:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-14 22:32:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2019-10-14 22:32:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2019-10-14 22:32:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-14 22:32:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-14 22:32:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:32:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-14 22:32:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-14 22:32:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:32:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-14 22:32:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:32:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:32:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:32:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:32:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:32:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:32:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:32:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:32:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:32:04,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:32:04,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:32:04,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:32:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:32:04,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:32:04,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:32:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-14 22:32:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2019-10-14 22:32:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2019-10-14 22:32:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-14 22:32:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-14 22:32:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-14 22:32:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-14 22:32:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-14 22:32:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-14 22:32:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-14 22:32:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-14 22:32:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:32:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:32:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2019-10-14 22:32:04,742 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2019-10-14 22:32:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2019-10-14 22:32:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2019-10-14 22:32:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2019-10-14 22:32:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2019-10-14 22:32:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2019-10-14 22:32:04,743 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2019-10-14 22:32:04,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:32:04,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:32:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:32:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:32:04,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:32:05,779 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:32:07,584 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:32:07,585 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 22:32:07,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:32:07 BoogieIcfgContainer [2019-10-14 22:32:07,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:32:07,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:32:07,589 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:32:07,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:32:07,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:32:02" (1/3) ... [2019-10-14 22:32:07,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546d1cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:32:07, skipping insertion in model container [2019-10-14 22:32:07,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:32:04" (2/3) ... [2019-10-14 22:32:07,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546d1cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:32:07, skipping insertion in model container [2019-10-14 22:32:07,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:32:07" (3/3) ... [2019-10-14 22:32:07,595 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2019-10-14 22:32:07,606 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:32:07,617 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:32:07,630 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:32:07,673 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:32:07,673 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:32:07,674 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:32:07,674 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:32:07,674 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:32:07,675 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:32:07,675 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:32:07,675 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:32:07,717 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states. [2019-10-14 22:32:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-14 22:32:07,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:32:07,729 INFO L380 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] [2019-10-14 22:32:07,732 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:32:07,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:32:07,739 INFO L82 PathProgramCache]: Analyzing trace with hash 414212921, now seen corresponding path program 1 times [2019-10-14 22:32:07,747 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:32:07,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214266957] [2019-10-14 22:32:07,748 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:07,748 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:07,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:32:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:08,891 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-14 22:32:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 22:32:08,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214266957] [2019-10-14 22:32:08,968 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:32:08,968 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-14 22:32:08,968 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568933423] [2019-10-14 22:32:08,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-14 22:32:08,973 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:32:08,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-14 22:32:08,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-14 22:32:08,990 INFO L87 Difference]: Start difference. First operand 788 states. Second operand 5 states. [2019-10-14 22:32:09,862 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-10-14 22:32:17,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:32:17,910 INFO L93 Difference]: Finished difference Result 1625 states and 2135 transitions. [2019-10-14 22:32:17,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 22:32:17,917 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-10-14 22:32:17,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:32:17,944 INFO L225 Difference]: With dead ends: 1625 [2019-10-14 22:32:17,944 INFO L226 Difference]: Without dead ends: 822 [2019-10-14 22:32:17,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:32:17,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2019-10-14 22:32:18,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 791. [2019-10-14 22:32:18,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-14 22:32:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1027 transitions. [2019-10-14 22:32:18,172 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1027 transitions. Word has length 30 [2019-10-14 22:32:18,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:32:18,172 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 1027 transitions. [2019-10-14 22:32:18,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-14 22:32:18,173 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1027 transitions. [2019-10-14 22:32:18,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-14 22:32:18,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:32:18,176 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 22:32:18,176 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:32:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:32:18,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1342229523, now seen corresponding path program 1 times [2019-10-14 22:32:18,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:32:18,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664701623] [2019-10-14 22:32:18,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:18,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:18,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:32:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:18,847 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-14 22:32:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-14 22:32:19,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664701623] [2019-10-14 22:32:19,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:32:19,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:32:19,096 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088633239] [2019-10-14 22:32:19,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:32:19,098 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:32:19,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:32:19,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:32:19,099 INFO L87 Difference]: Start difference. First operand 791 states and 1027 transitions. Second operand 7 states. [2019-10-14 22:32:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:32:24,769 INFO L93 Difference]: Finished difference Result 1622 states and 2126 transitions. [2019-10-14 22:32:24,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-14 22:32:24,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-14 22:32:24,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:32:24,784 INFO L225 Difference]: With dead ends: 1622 [2019-10-14 22:32:24,784 INFO L226 Difference]: Without dead ends: 852 [2019-10-14 22:32:24,789 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-14 22:32:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2019-10-14 22:32:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 795. [2019-10-14 22:32:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2019-10-14 22:32:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1033 transitions. [2019-10-14 22:32:24,992 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1033 transitions. Word has length 65 [2019-10-14 22:32:24,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:32:24,992 INFO L462 AbstractCegarLoop]: Abstraction has 795 states and 1033 transitions. [2019-10-14 22:32:24,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 22:32:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1033 transitions. [2019-10-14 22:32:24,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-14 22:32:24,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:32:24,995 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 22:32:24,996 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:32:24,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:32:24,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1808826249, now seen corresponding path program 1 times [2019-10-14 22:32:24,996 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:32:24,997 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646763140] [2019-10-14 22:32:24,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:24,997 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:24,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:32:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,595 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-14 22:32:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-14 22:32:25,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646763140] [2019-10-14 22:32:25,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:32:25,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:32:25,737 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050875446] [2019-10-14 22:32:25,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:32:25,737 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:32:25,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:32:25,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:32:25,738 INFO L87 Difference]: Start difference. First operand 795 states and 1033 transitions. Second operand 7 states. [2019-10-14 22:32:27,183 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2019-10-14 22:32:32,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:32:32,731 INFO L93 Difference]: Finished difference Result 1659 states and 2170 transitions. [2019-10-14 22:32:32,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-14 22:32:32,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2019-10-14 22:32:32,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:32:32,738 INFO L225 Difference]: With dead ends: 1659 [2019-10-14 22:32:32,738 INFO L226 Difference]: Without dead ends: 885 [2019-10-14 22:32:32,741 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-10-14 22:32:32,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2019-10-14 22:32:32,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 854. [2019-10-14 22:32:32,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2019-10-14 22:32:32,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 1111 transitions. [2019-10-14 22:32:32,876 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 1111 transitions. Word has length 67 [2019-10-14 22:32:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:32:32,879 INFO L462 AbstractCegarLoop]: Abstraction has 854 states and 1111 transitions. [2019-10-14 22:32:32,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-14 22:32:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1111 transitions. [2019-10-14 22:32:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-14 22:32:32,887 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:32:32,888 INFO L380 BasicCegarLoop]: trace histogram [3, 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] [2019-10-14 22:32:32,888 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:32:32,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:32:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash -428344885, now seen corresponding path program 1 times [2019-10-14 22:32:32,889 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:32:32,889 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159721099] [2019-10-14 22:32:32,890 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:32,890 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:32:32,890 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:32:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,615 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2019-10-14 22:32:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:32:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-14 22:32:33,788 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159721099] [2019-10-14 22:32:33,788 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:32:33,788 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:32:33,789 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106490952] [2019-10-14 22:32:33,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:32:33,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:32:33,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:32:33,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:32:33,790 INFO L87 Difference]: Start difference. First operand 854 states and 1111 transitions. Second operand 7 states. [2019-10-14 22:32:34,528 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 264