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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:55:42,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:55:42,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:55:42,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:55:42,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:55:42,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:55:42,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:55:42,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:55:42,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:55:42,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:55:42,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:55:42,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:55:42,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:55:42,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:55:42,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:55:42,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:55:42,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:55:42,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:55:42,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:55:42,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:55:42,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:55:42,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:55:42,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:55:42,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:55:42,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:55:42,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:55:42,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:55:42,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:55:42,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:55:42,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:55:42,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:55:42,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:55:42,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:55:42,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:55:42,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:55:42,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:55:42,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:55:42,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:55:42,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:55:42,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:55:42,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:55:42,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:55:42,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:55:42,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:55:42,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:55:42,247 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:55:42,247 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:55:42,247 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:55:42,248 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:55:42,248 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:55:42,248 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:55:42,248 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:55:42,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:55:42,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:55:42,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:55:42,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:55:42,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:55:42,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:55:42,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:55:42,252 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:55:42,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:55:42,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:55:42,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:55:42,252 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:55:42,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:55:42,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:55:42,253 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:55:42,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:55:42,253 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:55:42,254 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:55:42,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:55:42,254 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:55:42,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:55:42,317 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:55:42,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:55:42,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:55:42,325 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:55:42,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-09-10 10:55:42,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c305c78/1ba63e5286ab4aa09561f878528c93ea/FLAG880ec8705 [2019-09-10 10:55:43,198 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:55:43,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-09-10 10:55:43,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c305c78/1ba63e5286ab4aa09561f878528c93ea/FLAG880ec8705 [2019-09-10 10:55:43,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3c305c78/1ba63e5286ab4aa09561f878528c93ea [2019-09-10 10:55:43,276 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:55:43,278 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:55:43,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:55:43,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:55:43,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:55:43,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:55:43" (1/1) ... [2019-09-10 10:55:43,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aed902b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:43, skipping insertion in model container [2019-09-10 10:55:43,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:55:43" (1/1) ... [2019-09-10 10:55:43,294 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:55:43,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:55:45,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:55:45,305 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:55:45,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:55:46,298 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:55:46,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46 WrapperNode [2019-09-10 10:55:46,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:55:46,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:55:46,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:55:46,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:55:46,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (1/1) ... [2019-09-10 10:55:46,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (1/1) ... [2019-09-10 10:55:46,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (1/1) ... [2019-09-10 10:55:46,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (1/1) ... [2019-09-10 10:55:46,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (1/1) ... [2019-09-10 10:55:46,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (1/1) ... [2019-09-10 10:55:46,835 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (1/1) ... [2019-09-10 10:55:46,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:55:46,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:55:46,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:55:46,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:55:46,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (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 [2019-09-10 10:55:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:55:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:55:46,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:55:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-10 10:55:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-09-10 10:55:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-09-10 10:55:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-09-10 10:55:46,952 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-09-10 10:55:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-09-10 10:55:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-09-10 10:55:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-09-10 10:55:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-09-10 10:55:46,953 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 10:55:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-09-10 10:55:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 10:55:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 10:55:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-09-10 10:55:46,954 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-09-10 10:55:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2019-09-10 10:55:46,955 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 10:55:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 10:55:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 10:55:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-10 10:55:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 10:55:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-10 10:55:46,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 10:55:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-09-10 10:55:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-09-10 10:55:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-10 10:55:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-09-10 10:55:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2019-09-10 10:55:46,957 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-09-10 10:55:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-09-10 10:55:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2019-09-10 10:55:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 10:55:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-09-10 10:55:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-09-10 10:55:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2019-09-10 10:55:46,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:55:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:55:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:55:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:55:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:55:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:55:46,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:55:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:55:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:55:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:55:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:55:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:55:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-09-10 10:55:46,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-09-10 10:55:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_index [2019-09-10 10:55:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2019-09-10 10:55:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2019-09-10 10:55:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2019-09-10 10:55:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2019-09-10 10:55:46,961 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2019-09-10 10:55:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2019-09-10 10:55:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2019-09-10 10:55:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2019-09-10 10:55:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2019-09-10 10:55:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2019-09-10 10:55:46,962 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2019-09-10 10:55:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2019-09-10 10:55:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2019-09-10 10:55:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2019-09-10 10:55:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2019-09-10 10:55:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2019-09-10 10:55:46,963 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2019-09-10 10:55:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2019-09-10 10:55:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2019-09-10 10:55:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2019-09-10 10:55:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2019-09-10 10:55:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2019-09-10 10:55:46,964 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2019-09-10 10:55:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2019-09-10 10:55:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2019-09-10 10:55:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2019-09-10 10:55:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2019-09-10 10:55:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2019-09-10 10:55:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2019-09-10 10:55:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2019-09-10 10:55:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2019-09-10 10:55:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2019-09-10 10:55:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2019-09-10 10:55:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2019-09-10 10:55:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2019-09-10 10:55:46,966 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2019-09-10 10:55:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2019-09-10 10:55:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2019-09-10 10:55:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2019-09-10 10:55:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2019-09-10 10:55:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2019-09-10 10:55:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2019-09-10 10:55:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2019-09-10 10:55:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2019-09-10 10:55:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2019-09-10 10:55:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2019-09-10 10:55:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2019-09-10 10:55:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2019-09-10 10:55:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-10 10:55:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_3 [2019-09-10 10:55:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_1 [2019-09-10 10:55:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:55:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 10:55:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-09-10 10:55:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_3 [2019-09-10 10:55:46,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-09-10 10:55:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2019-09-10 10:55:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_8 [2019-09-10 10:55:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_9 [2019-09-10 10:55:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_10 [2019-09-10 10:55:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_11 [2019-09-10 10:55:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf_12 [2019-09-10 10:55:46,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_get_interface_13 [2019-09-10 10:55:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_autopm_put_interface_14 [2019-09-10 10:55:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2019-09-10 10:55:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_16 [2019-09-10 10:55:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_17 [2019-09-10 10:55:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_18 [2019-09-10 10:55:46,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_19 [2019-09-10 10:55:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_22 [2019-09-10 10:55:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_26 [2019-09-10 10:55:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_27 [2019-09-10 10:55:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_28 [2019-09-10 10:55:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_32 [2019-09-10 10:55:46,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_33 [2019-09-10 10:55:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_34 [2019-09-10 10:55:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_37 [2019-09-10 10:55:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_39 [2019-09-10 10:55:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_40 [2019-09-10 10:55:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 10:55:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 10:55:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 10:55:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 10:55:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 10:55:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 10:55:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 10:55:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 10:55:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 10:55:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 10:55:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 10:55:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 10:55:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 10:55:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 10:55:46,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 10:55:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 10:55:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:55:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 10:55:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-10 10:55:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-10 10:55:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 10:55:46,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-09-10 10:55:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-10 10:55:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-09-10 10:55:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 10:55:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 10:55:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-10 10:55:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-10 10:55:46,977 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-09-10 10:55:46,978 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-09-10 10:55:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:55:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-10 10:55:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-10 10:55:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-09-10 10:55:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-10 10:55:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:55:46,979 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-09-10 10:55:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-09-10 10:55:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-09-10 10:55:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-09-10 10:55:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-09-10 10:55:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-09-10 10:55:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-09-10 10:55:46,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-09-10 10:55:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-09-10 10:55:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2019-09-10 10:55:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-09-10 10:55:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-09-10 10:55:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-09-10 10:55:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-09-10 10:55:46,981 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-09-10 10:55:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-09-10 10:55:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2019-09-10 10:55:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-09-10 10:55:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-09-10 10:55:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-09-10 10:55:46,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-09-10 10:55:46,983 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-10 10:55:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-09-10 10:55:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-09-10 10:55:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 10:55:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 10:55:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-10 10:55:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 10:55:46,984 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:55:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:55:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:55:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:55:46,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:55:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:55:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:55:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:55:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:55:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-10 10:55:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-10 10:55:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:55:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-09-10 10:55:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-09-10 10:55:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-09-10 10:55:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-09-10 10:55:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-09-10 10:55:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-09-10 10:55:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-09-10 10:55:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-10 10:55:46,988 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 10:55:46,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-10 10:55:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 10:55:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 10:55:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 10:55:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-10 10:55:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 10:55:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-10 10:55:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 10:55:46,991 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-10 10:55:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-09-10 10:55:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-10 10:55:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-10 10:55:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:55:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-09-10 10:55:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2019-09-10 10:55:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-09-10 10:55:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-09-10 10:55:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 10:55:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-10 10:55:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 10:55:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-09-10 10:55:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-09-10 10:55:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:55:46,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_3 [2019-09-10 10:55:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_22 [2019-09-10 10:55:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-09-10 10:55:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf_12 [2019-09-10 10:55:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 10:55:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_8 [2019-09-10 10:55:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_get_interface_13 [2019-09-10 10:55:46,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_10 [2019-09-10 10:55:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_11 [2019-09-10 10:55:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_autopm_put_interface_14 [2019-09-10 10:55:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-09-10 10:55:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-09-10 10:55:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-09-10 10:55:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-09-10 10:55:46,996 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2019-09-10 10:55:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:55:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-09-10 10:55:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-09-10 10:55:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 10:55:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_39 [2019-09-10 10:55:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 10:55:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_40 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_18 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_17 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_16 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_19 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_26 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_27 [2019-09-10 10:55:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_28 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_32 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_33 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_34 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_9 [2019-09-10 10:55:46,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_37 [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-09-10 10:55:47,000 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-09-10 10:55:47,001 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-09-10 10:55:47,002 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 10:55:47,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:55:47,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-10 10:55:47,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:55:47,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_3 [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_1 [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-09-10 10:55:47,007 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_index [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:55:47,008 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2019-09-10 10:55:47,009 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2019-09-10 10:55:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2019-09-10 10:55:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2019-09-10 10:55:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2019-09-10 10:55:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2019-09-10 10:55:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2019-09-10 10:55:47,010 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2019-09-10 10:55:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2019-09-10 10:55:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2019-09-10 10:55:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2019-09-10 10:55:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2019-09-10 10:55:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2019-09-10 10:55:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2019-09-10 10:55:47,011 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2019-09-10 10:55:47,012 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2019-09-10 10:55:47,013 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2019-09-10 10:55:47,014 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2019-09-10 10:55:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2019-09-10 10:55:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:55:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:55:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:55:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 10:55:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:55:47,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:55:47,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:55:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:55:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:55:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:55:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:55:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:55:47,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:55:48,320 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:56:00,411 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 10:56:07,109 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:56:07,110 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:56:07,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:56:07 BoogieIcfgContainer [2019-09-10 10:56:07,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:56:07,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:56:07,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:56:07,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:56:07,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:55:43" (1/3) ... [2019-09-10 10:56:07,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d15ef6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:56:07, skipping insertion in model container [2019-09-10 10:56:07,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:55:46" (2/3) ... [2019-09-10 10:56:07,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d15ef6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:56:07, skipping insertion in model container [2019-09-10 10:56:07,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:56:07" (3/3) ... [2019-09-10 10:56:07,121 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-09-10 10:56:07,132 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:56:07,145 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:56:07,163 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:56:07,197 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:56:07,197 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:56:07,198 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:56:07,198 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:56:07,198 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:56:07,198 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:56:07,198 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:56:07,198 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:56:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states. [2019-09-10 10:56:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-10 10:56:07,310 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:07,311 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:07,313 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:07,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:07,318 INFO L82 PathProgramCache]: Analyzing trace with hash 605215700, now seen corresponding path program 1 times [2019-09-10 10:56:07,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:07,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:07,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:07,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:07,442 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-09-10 10:56:08,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:08,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:08,595 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:08,600 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:08,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:08,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:08,618 INFO L87 Difference]: Start difference. First operand 1931 states. Second operand 3 states. [2019-09-10 10:56:13,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:13,541 INFO L93 Difference]: Finished difference Result 3679 states and 4853 transitions. [2019-09-10 10:56:13,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:13,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-09-10 10:56:13,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:13,610 INFO L225 Difference]: With dead ends: 3679 [2019-09-10 10:56:13,610 INFO L226 Difference]: Without dead ends: 3646 [2019-09-10 10:56:13,612 INFO L628 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 [2019-09-10 10:56:13,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3646 states. [2019-09-10 10:56:13,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3646 to 3643. [2019-09-10 10:56:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3643 states. [2019-09-10 10:56:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 3643 states and 4796 transitions. [2019-09-10 10:56:13,898 INFO L78 Accepts]: Start accepts. Automaton has 3643 states and 4796 transitions. Word has length 133 [2019-09-10 10:56:13,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:13,901 INFO L475 AbstractCegarLoop]: Abstraction has 3643 states and 4796 transitions. [2019-09-10 10:56:13,901 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3643 states and 4796 transitions. [2019-09-10 10:56:13,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-10 10:56:13,916 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:13,917 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:13,917 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:13,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:13,920 INFO L82 PathProgramCache]: Analyzing trace with hash -757782165, now seen corresponding path program 1 times [2019-09-10 10:56:13,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:13,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:13,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:13,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:13,925 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-09-10 10:56:14,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:14,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:14,578 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:14,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:14,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:14,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:14,580 INFO L87 Difference]: Start difference. First operand 3643 states and 4796 transitions. Second operand 3 states. [2019-09-10 10:56:14,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:14,759 INFO L93 Difference]: Finished difference Result 7246 states and 9638 transitions. [2019-09-10 10:56:14,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:14,760 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-10 10:56:14,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:14,810 INFO L225 Difference]: With dead ends: 7246 [2019-09-10 10:56:14,810 INFO L226 Difference]: Without dead ends: 7246 [2019-09-10 10:56:14,811 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:14,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7246 states. [2019-09-10 10:56:16,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7246 to 7235. [2019-09-10 10:56:16,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7235 states. [2019-09-10 10:56:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7235 states to 7235 states and 9625 transitions. [2019-09-10 10:56:16,116 INFO L78 Accepts]: Start accepts. Automaton has 7235 states and 9625 transitions. Word has length 146 [2019-09-10 10:56:16,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:16,117 INFO L475 AbstractCegarLoop]: Abstraction has 7235 states and 9625 transitions. [2019-09-10 10:56:16,117 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:16,118 INFO L276 IsEmpty]: Start isEmpty. Operand 7235 states and 9625 transitions. [2019-09-10 10:56:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-10 10:56:16,124 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:16,124 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:16,124 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:16,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:16,126 INFO L82 PathProgramCache]: Analyzing trace with hash -2017307999, now seen corresponding path program 1 times [2019-09-10 10:56:16,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:16,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:16,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:16,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:16,130 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-09-10 10:56:16,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:16,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:16,700 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:16,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:16,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:16,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:16,701 INFO L87 Difference]: Start difference. First operand 7235 states and 9625 transitions. Second operand 3 states. [2019-09-10 10:56:16,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:16,776 INFO L93 Difference]: Finished difference Result 7234 states and 9623 transitions. [2019-09-10 10:56:16,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:16,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-09-10 10:56:16,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:16,821 INFO L225 Difference]: With dead ends: 7234 [2019-09-10 10:56:16,822 INFO L226 Difference]: Without dead ends: 7234 [2019-09-10 10:56:16,822 INFO L628 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 [2019-09-10 10:56:16,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7234 states. [2019-09-10 10:56:17,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7234 to 7234. [2019-09-10 10:56:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7234 states. [2019-09-10 10:56:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7234 states to 7234 states and 9623 transitions. [2019-09-10 10:56:17,050 INFO L78 Accepts]: Start accepts. Automaton has 7234 states and 9623 transitions. Word has length 147 [2019-09-10 10:56:17,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:17,051 INFO L475 AbstractCegarLoop]: Abstraction has 7234 states and 9623 transitions. [2019-09-10 10:56:17,051 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:17,051 INFO L276 IsEmpty]: Start isEmpty. Operand 7234 states and 9623 transitions. [2019-09-10 10:56:17,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-09-10 10:56:17,057 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:17,058 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:17,058 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:17,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:17,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1887068974, now seen corresponding path program 1 times [2019-09-10 10:56:17,059 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:17,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:17,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:17,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:17,063 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:17,728 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-09-10 10:56:17,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:17,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:17,729 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:17,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:17,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:17,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:17,731 INFO L87 Difference]: Start difference. First operand 7234 states and 9623 transitions. Second operand 3 states. [2019-09-10 10:56:17,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:17,803 INFO L93 Difference]: Finished difference Result 7233 states and 9621 transitions. [2019-09-10 10:56:17,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:17,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-09-10 10:56:17,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:17,852 INFO L225 Difference]: With dead ends: 7233 [2019-09-10 10:56:17,852 INFO L226 Difference]: Without dead ends: 7233 [2019-09-10 10:56:17,853 INFO L628 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 [2019-09-10 10:56:17,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7233 states. [2019-09-10 10:56:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7233 to 7233. [2019-09-10 10:56:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7233 states. [2019-09-10 10:56:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7233 states to 7233 states and 9621 transitions. [2019-09-10 10:56:18,085 INFO L78 Accepts]: Start accepts. Automaton has 7233 states and 9621 transitions. Word has length 148 [2019-09-10 10:56:18,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:18,086 INFO L475 AbstractCegarLoop]: Abstraction has 7233 states and 9621 transitions. [2019-09-10 10:56:18,086 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:18,086 INFO L276 IsEmpty]: Start isEmpty. Operand 7233 states and 9621 transitions. [2019-09-10 10:56:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-10 10:56:18,092 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:18,092 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:18,092 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:18,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1631291580, now seen corresponding path program 1 times [2019-09-10 10:56:18,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:18,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:18,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:18,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:18,096 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:18,674 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-09-10 10:56:18,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:18,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:18,675 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:18,675 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:18,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:18,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:18,676 INFO L87 Difference]: Start difference. First operand 7233 states and 9621 transitions. Second operand 3 states. [2019-09-10 10:56:19,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:19,054 INFO L93 Difference]: Finished difference Result 14332 states and 19244 transitions. [2019-09-10 10:56:19,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:19,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-09-10 10:56:19,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:19,138 INFO L225 Difference]: With dead ends: 14332 [2019-09-10 10:56:19,139 INFO L226 Difference]: Without dead ends: 14332 [2019-09-10 10:56:19,139 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:19,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14332 states. [2019-09-10 10:56:19,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14332 to 14292. [2019-09-10 10:56:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14292 states. [2019-09-10 10:56:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14292 states to 14292 states and 19205 transitions. [2019-09-10 10:56:19,612 INFO L78 Accepts]: Start accepts. Automaton has 14292 states and 19205 transitions. Word has length 149 [2019-09-10 10:56:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:19,612 INFO L475 AbstractCegarLoop]: Abstraction has 14292 states and 19205 transitions. [2019-09-10 10:56:19,612 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 14292 states and 19205 transitions. [2019-09-10 10:56:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-10 10:56:19,620 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:19,621 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:19,621 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:19,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:19,622 INFO L82 PathProgramCache]: Analyzing trace with hash 968685809, now seen corresponding path program 1 times [2019-09-10 10:56:19,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:19,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:19,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:19,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:19,627 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:20,102 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-09-10 10:56:20,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:20,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:20,103 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:20,103 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:20,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:20,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:20,104 INFO L87 Difference]: Start difference. First operand 14292 states and 19205 transitions. Second operand 3 states. [2019-09-10 10:56:20,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:20,195 INFO L93 Difference]: Finished difference Result 14291 states and 19203 transitions. [2019-09-10 10:56:20,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:20,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-09-10 10:56:20,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:20,260 INFO L225 Difference]: With dead ends: 14291 [2019-09-10 10:56:20,260 INFO L226 Difference]: Without dead ends: 14263 [2019-09-10 10:56:20,261 INFO L628 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 [2019-09-10 10:56:20,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14263 states. [2019-09-10 10:56:20,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14263 to 14263. [2019-09-10 10:56:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14263 states. [2019-09-10 10:56:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14263 states to 14263 states and 19171 transitions. [2019-09-10 10:56:20,740 INFO L78 Accepts]: Start accepts. Automaton has 14263 states and 19171 transitions. Word has length 150 [2019-09-10 10:56:20,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:20,741 INFO L475 AbstractCegarLoop]: Abstraction has 14263 states and 19171 transitions. [2019-09-10 10:56:20,741 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 14263 states and 19171 transitions. [2019-09-10 10:56:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-09-10 10:56:20,750 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:20,750 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 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] [2019-09-10 10:56:20,751 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:20,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:20,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1029599611, now seen corresponding path program 1 times [2019-09-10 10:56:20,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:20,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:20,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:20,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:20,755 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:21,250 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2019-09-10 10:56:21,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:21,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:21,250 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:21,251 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:21,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:21,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:21,252 INFO L87 Difference]: Start difference. First operand 14263 states and 19171 transitions. Second operand 3 states. [2019-09-10 10:56:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:23,336 INFO L93 Difference]: Finished difference Result 27881 states and 37398 transitions. [2019-09-10 10:56:23,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:23,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-09-10 10:56:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:23,443 INFO L225 Difference]: With dead ends: 27881 [2019-09-10 10:56:23,443 INFO L226 Difference]: Without dead ends: 27881 [2019-09-10 10:56:23,444 INFO L628 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 [2019-09-10 10:56:23,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27881 states. [2019-09-10 10:56:24,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27881 to 27797. [2019-09-10 10:56:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27797 states. [2019-09-10 10:56:24,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27797 states to 27797 states and 37314 transitions. [2019-09-10 10:56:24,205 INFO L78 Accepts]: Start accepts. Automaton has 27797 states and 37314 transitions. Word has length 178 [2019-09-10 10:56:24,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:24,208 INFO L475 AbstractCegarLoop]: Abstraction has 27797 states and 37314 transitions. [2019-09-10 10:56:24,208 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:24,208 INFO L276 IsEmpty]: Start isEmpty. Operand 27797 states and 37314 transitions. [2019-09-10 10:56:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-09-10 10:56:24,226 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:24,226 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:24,226 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:24,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:24,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1587798712, now seen corresponding path program 1 times [2019-09-10 10:56:24,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:24,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:24,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:24,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:24,232 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2019-09-10 10:56:24,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:24,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:24,737 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:24,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:24,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:24,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:24,739 INFO L87 Difference]: Start difference. First operand 27797 states and 37314 transitions. Second operand 3 states. [2019-09-10 10:56:26,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:26,304 INFO L93 Difference]: Finished difference Result 48789 states and 64980 transitions. [2019-09-10 10:56:26,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:26,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-09-10 10:56:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:26,506 INFO L225 Difference]: With dead ends: 48789 [2019-09-10 10:56:26,506 INFO L226 Difference]: Without dead ends: 48789 [2019-09-10 10:56:26,507 INFO L628 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 [2019-09-10 10:56:26,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48789 states. [2019-09-10 10:56:27,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48789 to 48693. [2019-09-10 10:56:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48693 states. [2019-09-10 10:56:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48693 states to 48693 states and 64884 transitions. [2019-09-10 10:56:28,090 INFO L78 Accepts]: Start accepts. Automaton has 48693 states and 64884 transitions. Word has length 238 [2019-09-10 10:56:28,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:28,091 INFO L475 AbstractCegarLoop]: Abstraction has 48693 states and 64884 transitions. [2019-09-10 10:56:28,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 48693 states and 64884 transitions. [2019-09-10 10:56:28,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-09-10 10:56:28,116 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:28,117 INFO L399 BasicCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:28,117 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:28,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1901747729, now seen corresponding path program 1 times [2019-09-10 10:56:28,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:28,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:28,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:28,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:28,122 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2019-09-10 10:56:28,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:28,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:28,607 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:28,608 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:28,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:28,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:28,609 INFO L87 Difference]: Start difference. First operand 48693 states and 64884 transitions. Second operand 3 states. [2019-09-10 10:56:30,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:30,109 INFO L93 Difference]: Finished difference Result 73763 states and 97695 transitions. [2019-09-10 10:56:30,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:30,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 258 [2019-09-10 10:56:30,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:32,110 INFO L225 Difference]: With dead ends: 73763 [2019-09-10 10:56:32,111 INFO L226 Difference]: Without dead ends: 73763 [2019-09-10 10:56:32,111 INFO L628 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 [2019-09-10 10:56:32,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73763 states. [2019-09-10 10:56:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73763 to 73601. [2019-09-10 10:56:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73601 states. [2019-09-10 10:56:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73601 states to 73601 states and 97511 transitions. [2019-09-10 10:56:33,640 INFO L78 Accepts]: Start accepts. Automaton has 73601 states and 97511 transitions. Word has length 258 [2019-09-10 10:56:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:33,640 INFO L475 AbstractCegarLoop]: Abstraction has 73601 states and 97511 transitions. [2019-09-10 10:56:33,640 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 73601 states and 97511 transitions. [2019-09-10 10:56:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-09-10 10:56:33,662 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:33,662 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:33,663 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:33,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:33,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1679203982, now seen corresponding path program 1 times [2019-09-10 10:56:33,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:33,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:33,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:33,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:33,667 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2019-09-10 10:56:34,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:34,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 10:56:34,568 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:34,569 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 10:56:34,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 10:56:34,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 10:56:34,570 INFO L87 Difference]: Start difference. First operand 73601 states and 97511 transitions. Second operand 8 states. [2019-09-10 10:56:34,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:34,999 INFO L93 Difference]: Finished difference Result 71695 states and 94911 transitions. [2019-09-10 10:56:34,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 10:56:34,999 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 243 [2019-09-10 10:56:35,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:35,295 INFO L225 Difference]: With dead ends: 71695 [2019-09-10 10:56:35,295 INFO L226 Difference]: Without dead ends: 71695 [2019-09-10 10:56:35,295 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-09-10 10:56:35,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71695 states. [2019-09-10 10:56:39,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71695 to 71618. [2019-09-10 10:56:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71618 states. [2019-09-10 10:56:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71618 states to 71618 states and 94806 transitions. [2019-09-10 10:56:39,568 INFO L78 Accepts]: Start accepts. Automaton has 71618 states and 94806 transitions. Word has length 243 [2019-09-10 10:56:39,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:39,569 INFO L475 AbstractCegarLoop]: Abstraction has 71618 states and 94806 transitions. [2019-09-10 10:56:39,569 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 10:56:39,569 INFO L276 IsEmpty]: Start isEmpty. Operand 71618 states and 94806 transitions. [2019-09-10 10:56:39,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-10 10:56:39,593 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:39,596 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:39,596 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:39,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:39,597 INFO L82 PathProgramCache]: Analyzing trace with hash 2065435097, now seen corresponding path program 1 times [2019-09-10 10:56:39,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:39,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:39,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:39,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:39,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:40,079 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2019-09-10 10:56:40,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:40,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:40,080 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:40,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:40,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:40,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:40,083 INFO L87 Difference]: Start difference. First operand 71618 states and 94806 transitions. Second operand 3 states. [2019-09-10 10:56:44,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:44,126 INFO L93 Difference]: Finished difference Result 105666 states and 139798 transitions. [2019-09-10 10:56:44,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:44,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-09-10 10:56:44,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:44,507 INFO L225 Difference]: With dead ends: 105666 [2019-09-10 10:56:44,508 INFO L226 Difference]: Without dead ends: 105666 [2019-09-10 10:56:44,509 INFO L628 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 [2019-09-10 10:56:44,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105666 states. [2019-09-10 10:56:46,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105666 to 105582. [2019-09-10 10:56:46,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105582 states. [2019-09-10 10:56:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105582 states to 105582 states and 139714 transitions. [2019-09-10 10:56:46,637 INFO L78 Accepts]: Start accepts. Automaton has 105582 states and 139714 transitions. Word has length 249 [2019-09-10 10:56:46,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:46,637 INFO L475 AbstractCegarLoop]: Abstraction has 105582 states and 139714 transitions. [2019-09-10 10:56:46,637 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:46,637 INFO L276 IsEmpty]: Start isEmpty. Operand 105582 states and 139714 transitions. [2019-09-10 10:56:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-09-10 10:56:46,655 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:46,656 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:46,656 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:46,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:46,657 INFO L82 PathProgramCache]: Analyzing trace with hash -307396684, now seen corresponding path program 1 times [2019-09-10 10:56:46,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:46,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:46,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:46,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:46,660 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2019-09-10 10:56:47,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:47,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:56:47,270 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:47,270 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:56:47,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:56:47,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:56:47,273 INFO L87 Difference]: Start difference. First operand 105582 states and 139714 transitions. Second operand 5 states. [2019-09-10 10:56:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:51,773 INFO L93 Difference]: Finished difference Result 105835 states and 139955 transitions. [2019-09-10 10:56:51,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:56:51,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 243 [2019-09-10 10:56:51,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:52,181 INFO L225 Difference]: With dead ends: 105835 [2019-09-10 10:56:52,181 INFO L226 Difference]: Without dead ends: 105775 [2019-09-10 10:56:52,182 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:56:52,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105775 states. [2019-09-10 10:56:53,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105775 to 105663. [2019-09-10 10:56:53,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105663 states. [2019-09-10 10:56:57,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105663 states to 105663 states and 139783 transitions. [2019-09-10 10:56:57,893 INFO L78 Accepts]: Start accepts. Automaton has 105663 states and 139783 transitions. Word has length 243 [2019-09-10 10:56:57,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:57,894 INFO L475 AbstractCegarLoop]: Abstraction has 105663 states and 139783 transitions. [2019-09-10 10:56:57,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:56:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 105663 states and 139783 transitions. [2019-09-10 10:56:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-09-10 10:56:57,907 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:57,908 INFO L399 BasicCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:57,908 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:57,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:57,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1084801966, now seen corresponding path program 1 times [2019-09-10 10:56:57,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:57,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:57,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:57,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:57,921 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:58,466 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2019-09-10 10:56:58,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:58,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:56:58,467 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:58,468 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:56:58,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:56:58,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:56:58,469 INFO L87 Difference]: Start difference. First operand 105663 states and 139783 transitions. Second operand 6 states. [2019-09-10 10:57:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:01,981 INFO L93 Difference]: Finished difference Result 54907 states and 72144 transitions. [2019-09-10 10:57:01,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:57:01,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 258 [2019-09-10 10:57:01,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:02,176 INFO L225 Difference]: With dead ends: 54907 [2019-09-10 10:57:02,177 INFO L226 Difference]: Without dead ends: 54745 [2019-09-10 10:57:02,177 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:57:02,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54745 states. [2019-09-10 10:57:02,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54745 to 52474. [2019-09-10 10:57:02,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52474 states. [2019-09-10 10:57:02,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52474 states to 52474 states and 69507 transitions. [2019-09-10 10:57:02,938 INFO L78 Accepts]: Start accepts. Automaton has 52474 states and 69507 transitions. Word has length 258 [2019-09-10 10:57:02,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:57:02,938 INFO L475 AbstractCegarLoop]: Abstraction has 52474 states and 69507 transitions. [2019-09-10 10:57:02,938 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:57:02,938 INFO L276 IsEmpty]: Start isEmpty. Operand 52474 states and 69507 transitions. [2019-09-10 10:57:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-09-10 10:57:02,951 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:02,951 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:57:02,951 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:02,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:02,952 INFO L82 PathProgramCache]: Analyzing trace with hash -913017032, now seen corresponding path program 1 times [2019-09-10 10:57:02,952 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:02,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:02,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:02,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:02,955 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2019-09-10 10:57:03,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:03,931 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:57:03,931 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:03,932 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:57:03,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:57:03,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:57:03,933 INFO L87 Difference]: Start difference. First operand 52474 states and 69507 transitions. Second operand 5 states. [2019-09-10 10:57:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:07,628 INFO L93 Difference]: Finished difference Result 52607 states and 69640 transitions. [2019-09-10 10:57:07,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:57:07,628 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 275 [2019-09-10 10:57:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:07,839 INFO L225 Difference]: With dead ends: 52607 [2019-09-10 10:57:07,839 INFO L226 Difference]: Without dead ends: 52596 [2019-09-10 10:57:07,843 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:57:07,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52596 states. [2019-09-10 10:57:08,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52596 to 52522. [2019-09-10 10:57:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52522 states. [2019-09-10 10:57:09,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52522 states to 52522 states and 69553 transitions. [2019-09-10 10:57:09,024 INFO L78 Accepts]: Start accepts. Automaton has 52522 states and 69553 transitions. Word has length 275 [2019-09-10 10:57:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:57:09,024 INFO L475 AbstractCegarLoop]: Abstraction has 52522 states and 69553 transitions. [2019-09-10 10:57:09,024 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:57:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 52522 states and 69553 transitions. [2019-09-10 10:57:09,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-09-10 10:57:09,038 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:09,039 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:57:09,039 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:09,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1447743865, now seen corresponding path program 1 times [2019-09-10 10:57:09,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:09,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:09,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:09,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:09,043 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:09,923 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2019-09-10 10:57:09,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:09,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:57:09,924 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:09,925 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:57:09,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:57:09,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:57:09,925 INFO L87 Difference]: Start difference. First operand 52522 states and 69553 transitions. Second operand 7 states. [2019-09-10 10:57:40,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:40,167 INFO L93 Difference]: Finished difference Result 83169 states and 111771 transitions. [2019-09-10 10:57:40,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:57:40,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 275 [2019-09-10 10:57:40,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:40,519 INFO L225 Difference]: With dead ends: 83169 [2019-09-10 10:57:40,520 INFO L226 Difference]: Without dead ends: 83169 [2019-09-10 10:57:40,520 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-10 10:57:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83169 states. [2019-09-10 10:57:41,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83169 to 82950. [2019-09-10 10:57:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82950 states. [2019-09-10 10:57:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82950 states to 82950 states and 111486 transitions. [2019-09-10 10:57:42,223 INFO L78 Accepts]: Start accepts. Automaton has 82950 states and 111486 transitions. Word has length 275 [2019-09-10 10:57:42,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:57:42,224 INFO L475 AbstractCegarLoop]: Abstraction has 82950 states and 111486 transitions. [2019-09-10 10:57:42,224 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:57:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 82950 states and 111486 transitions. [2019-09-10 10:57:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-09-10 10:57:42,245 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:42,245 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:57:42,246 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:42,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:42,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1028703604, now seen corresponding path program 1 times [2019-09-10 10:57:42,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:42,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:42,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:42,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:42,250 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 10:57:42,999 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:43,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:57:43,000 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:43,001 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:57:43,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:57:43,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:57:43,002 INFO L87 Difference]: Start difference. First operand 82950 states and 111486 transitions. Second operand 6 states. [2019-09-10 10:57:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:50,338 INFO L93 Difference]: Finished difference Result 144330 states and 193413 transitions. [2019-09-10 10:57:50,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:57:50,339 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 290 [2019-09-10 10:57:50,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:50,769 INFO L225 Difference]: With dead ends: 144330 [2019-09-10 10:57:50,770 INFO L226 Difference]: Without dead ends: 144330 [2019-09-10 10:57:50,770 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-09-10 10:57:50,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144330 states. [2019-09-10 10:57:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144330 to 143984. [2019-09-10 10:57:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143984 states. [2019-09-10 10:57:53,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143984 states to 143984 states and 192983 transitions. [2019-09-10 10:57:53,878 INFO L78 Accepts]: Start accepts. Automaton has 143984 states and 192983 transitions. Word has length 290 [2019-09-10 10:57:53,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:57:53,878 INFO L475 AbstractCegarLoop]: Abstraction has 143984 states and 192983 transitions. [2019-09-10 10:57:53,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:57:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 143984 states and 192983 transitions. [2019-09-10 10:57:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-09-10 10:57:53,897 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:57:53,897 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:57:53,897 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:57:53,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:57:53,898 INFO L82 PathProgramCache]: Analyzing trace with hash -655694, now seen corresponding path program 1 times [2019-09-10 10:57:53,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:57:53,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:53,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:57:53,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:57:53,901 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:57:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:57:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2019-09-10 10:57:55,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:57:55,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 10:57:55,483 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:57:55,484 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 10:57:55,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 10:57:55,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 10:57:55,485 INFO L87 Difference]: Start difference. First operand 143984 states and 192983 transitions. Second operand 4 states. [2019-09-10 10:57:56,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:57:56,473 INFO L93 Difference]: Finished difference Result 144167 states and 193226 transitions. [2019-09-10 10:57:56,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:57:56,473 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 290 [2019-09-10 10:57:56,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:57:57,145 INFO L225 Difference]: With dead ends: 144167 [2019-09-10 10:57:57,146 INFO L226 Difference]: Without dead ends: 144165 [2019-09-10 10:57:57,147 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:57:57,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144165 states. [2019-09-10 10:58:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144165 to 143985. [2019-09-10 10:58:00,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143985 states. [2019-09-10 10:58:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143985 states to 143985 states and 192984 transitions. [2019-09-10 10:58:00,725 INFO L78 Accepts]: Start accepts. Automaton has 143985 states and 192984 transitions. Word has length 290 [2019-09-10 10:58:00,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:00,725 INFO L475 AbstractCegarLoop]: Abstraction has 143985 states and 192984 transitions. [2019-09-10 10:58:00,725 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 10:58:00,725 INFO L276 IsEmpty]: Start isEmpty. Operand 143985 states and 192984 transitions. [2019-09-10 10:58:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-09-10 10:58:00,745 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:58:00,745 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:58:00,746 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:58:00,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:00,746 INFO L82 PathProgramCache]: Analyzing trace with hash 871921232, now seen corresponding path program 1 times [2019-09-10 10:58:00,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:58:00,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:00,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:58:00,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:58:00,750 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:58:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:58:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2019-09-10 10:58:01,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:58:01,379 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:58:01,381 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2019-09-10 10:58:01,385 INFO L207 CegarAbsIntRunner]: [2], [4], [5], [103], [105], [106], [123], [124], [168], [170], [172], [173], [262], [264], [265], [318], [319], [334], [360], [364], [366], [367], [395], [396], [401], [403], [405], [409], [410], [1058], [1060], [1064], [1067], [1073], [1075], [1083], [1084], [1134], [1136], [1139], [1144], [1149], [1151], [1154], [1206], [1207], [1212], [1214], [1257], [1259], [1262], [1269], [1273], [1274], [1327], [1328], [1379], [1380], [1618], [1621], [1625], [1742], [1743], [1744], [1936], [1937], [2075], [2077], [2078], [2105], [2106], [2107], [2109], [2111], [2113], [2115], [2117], [2119], [2121], [2123], [2125], [2127], [2129], [2131], [2133], [2135], [2138], [2140], [2173], [2206], [2523], [2526], [2529], [2532], [2535], [2537], [2541], [2544], [2547], [2549], [2552], [2554], [2556], [2564], [2583], [2586], [2589], [2592], [2595], [2597], [2602], [2815], [2816], [2914], [2915], [2916], [2917], [3134], [3136], [3138], [3139], [3305], [3307], [3308], [3377], [3384], [3391], [3400], [3438], [3439], [3497], [3499], [3500], [3501], [3502], [3549], [3550], [3567], [3568], [3569], [3570], [3593], [3594], [3631], [3632], [3633], [3634], [3815], [3816], [3817], [3818], [3819], [3820], [3823], [3824], [3851], [3852], [3853], [3854], [3855], [3856], [3879], [3880], [3881], [3882], [3883], [3884], [3885], [3886], [3901], [3902], [4117], [4118], [4123], [4124], [4125], [4126], [4127], [4128], [4129], [4130], [4131], [4132], [4133], [4134], [4135], [4136], [4137], [4138], [4139], [4140], [4141], [4142], [4143], [4144], [4145], [4146], [4147], [4148], [4149], [4150], [4151], [4152], [4153], [4154], [4219], [4220], [4221], [4222], [4223], [4224], [4225], [4226], [4229], [4230], [4257], [4319], [4320], [4321], [4322], [4369], [4370], [4395], [4401], [4402], [4403], [4425], [4426] [2019-09-10 10:58:01,470 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:58:01,470 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:58:01,928 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:58:01,930 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 528 root evaluator evaluations with a maximum evaluation depth of 0. Performed 528 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1102 variables. [2019-09-10 10:58:01,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:58:01,935 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:58:02,063 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:58:02,063 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:58:02,071 INFO L420 sIntCurrentIteration]: We unified 290 AI predicates to 290 [2019-09-10 10:58:02,071 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:58:02,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:58:02,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 10:58:02,073 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:58:02,074 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:58:02,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:58:02,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:58:02,077 INFO L87 Difference]: Start difference. First operand 143985 states and 192984 transitions. Second operand 2 states. [2019-09-10 10:58:02,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:58:02,078 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:58:02,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:58:02,078 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 291 [2019-09-10 10:58:02,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:58:02,078 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:58:02,078 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:58:02,079 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:58:02,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:58:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:58:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:58:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:58:02,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 291 [2019-09-10 10:58:02,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:58:02,082 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:58:02,082 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:58:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:58:02,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:58:02,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:58:02 BoogieIcfgContainer [2019-09-10 10:58:02,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:58:02,093 INFO L168 Benchmark]: Toolchain (without parser) took 138813.49 ms. Allocated memory was 135.8 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 80.6 MB in the beginning and 841.8 MB in the end (delta: -761.1 MB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2019-09-10 10:58:02,095 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 10:58:02,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3021.28 ms. Allocated memory was 135.8 MB in the beginning and 267.9 MB in the end (delta: 132.1 MB). Free memory was 80.2 MB in the beginning and 112.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 119.8 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:02,101 INFO L168 Benchmark]: Boogie Preprocessor took 571.95 ms. Allocated memory was 267.9 MB in the beginning and 275.8 MB in the end (delta: 7.9 MB). Free memory was 112.8 MB in the beginning and 201.7 MB in the end (delta: -88.9 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:02,102 INFO L168 Benchmark]: RCFGBuilder took 20239.80 ms. Allocated memory was 275.8 MB in the beginning and 796.4 MB in the end (delta: 520.6 MB). Free memory was 201.7 MB in the beginning and 549.0 MB in the end (delta: -347.3 MB). Peak memory consumption was 654.0 MB. Max. memory is 7.1 GB. [2019-09-10 10:58:02,103 INFO L168 Benchmark]: TraceAbstraction took 114975.89 ms. Allocated memory was 796.4 MB in the beginning and 3.0 GB in the end (delta: 2.2 GB). Free memory was 549.0 MB in the beginning and 841.8 MB in the end (delta: -292.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-09-10 10:58:02,115 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 135.8 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3021.28 ms. Allocated memory was 135.8 MB in the beginning and 267.9 MB in the end (delta: 132.1 MB). Free memory was 80.2 MB in the beginning and 112.8 MB in the end (delta: -32.6 MB). Peak memory consumption was 119.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 571.95 ms. Allocated memory was 267.9 MB in the beginning and 275.8 MB in the end (delta: 7.9 MB). Free memory was 112.8 MB in the beginning and 201.7 MB in the end (delta: -88.9 MB). Peak memory consumption was 54.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 20239.80 ms. Allocated memory was 275.8 MB in the beginning and 796.4 MB in the end (delta: 520.6 MB). Free memory was 201.7 MB in the beginning and 549.0 MB in the end (delta: -347.3 MB). Peak memory consumption was 654.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 114975.89 ms. Allocated memory was 796.4 MB in the beginning and 3.0 GB in the end (delta: 2.2 GB). Free memory was 549.0 MB in the beginning and 841.8 MB in the end (delta: -292.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4051]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 215 procedures, 1968 locations, 1 error locations. SAFE Result, 114.9s OverallTime, 18 OverallIterations, 18 TraceHistogramMax, 71.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 50385 SDtfs, 38295 SDslu, 79927 SDs, 0 SdLazy, 6594 SolverSat, 6989 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 52.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 338 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=143985occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 3.913793103448276 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 29.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 3759 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.8s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 6.2s InterpolantComputationTime, 3961 NumberOfCodeBlocks, 3961 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3943 ConstructedInterpolants, 0 QuantifiedInterpolants, 1184387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 17 PerfectInterpolantSequences, 8667/8668 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...