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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 01:00:49,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 01:00:49,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 01:00:49,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 01:00:49,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 01:00:49,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 01:00:49,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 01:00:49,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 01:00:49,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 01:00:49,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 01:00:49,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 01:00:49,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 01:00:49,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 01:00:49,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 01:00:49,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 01:00:49,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 01:00:49,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 01:00:49,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 01:00:49,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 01:00:49,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 01:00:49,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 01:00:49,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 01:00:49,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 01:00:49,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 01:00:49,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 01:00:49,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 01:00:49,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 01:00:49,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 01:00:49,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 01:00:49,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 01:00:49,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 01:00:49,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 01:00:49,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 01:00:49,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 01:00:49,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 01:00:49,807 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 01:00:49,808 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 01:00:49,808 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 01:00:49,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 01:00:49,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 01:00:49,810 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 01:00:49,811 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 [2019-10-03 01:00:49,826 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 01:00:49,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 01:00:49,826 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 01:00:49,827 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 01:00:49,827 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 01:00:49,827 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 01:00:49,828 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 01:00:49,828 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 01:00:49,828 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 01:00:49,828 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 01:00:49,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 01:00:49,829 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 01:00:49,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 01:00:49,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 01:00:49,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 01:00:49,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 01:00:49,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 01:00:49,830 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 01:00:49,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 01:00:49,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 01:00:49,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 01:00:49,831 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 01:00:49,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 01:00:49,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:00:49,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 01:00:49,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 01:00:49,832 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 01:00:49,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 01:00:49,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 01:00:49,833 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 01:00:49,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 01:00:49,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 01:00:49,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 01:00:49,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 01:00:49,877 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 01:00:49,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-03 01:00:49,942 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff9afebd/0bcbea193440469aa2738d1b6f05e3e3/FLAGe5a6f9e11 [2019-10-03 01:00:50,757 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 01:00:50,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-03 01:00:50,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff9afebd/0bcbea193440469aa2738d1b6f05e3e3/FLAGe5a6f9e11 [2019-10-03 01:00:51,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ff9afebd/0bcbea193440469aa2738d1b6f05e3e3 [2019-10-03 01:00:51,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 01:00:51,291 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 01:00:51,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 01:00:51,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 01:00:51,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 01:00:51,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:00:51" (1/1) ... [2019-10-03 01:00:51,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5db44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:51, skipping insertion in model container [2019-10-03 01:00:51,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 01:00:51" (1/1) ... [2019-10-03 01:00:51,309 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 01:00:51,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 01:00:52,171 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3823] [2019-10-03 01:00:52,172 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3824-3825] [2019-10-03 01:00:53,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:00:54,121 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 01:00:54,258 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3823] [2019-10-03 01:00:54,259 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3824-3825] [2019-10-03 01:00:54,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 01:00:55,032 INFO L192 MainTranslator]: Completed translation [2019-10-03 01:00:55,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55 WrapperNode [2019-10-03 01:00:55,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 01:00:55,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 01:00:55,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 01:00:55,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 01:00:55,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... [2019-10-03 01:00:55,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... [2019-10-03 01:00:55,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... [2019-10-03 01:00:55,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... [2019-10-03 01:00:55,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... [2019-10-03 01:00:55,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... [2019-10-03 01:00:55,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... [2019-10-03 01:00:55,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 01:00:55,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 01:00:55,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 01:00:55,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 01:00:55,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 01:00:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 01:00:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 01:00:55,744 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-03 01:00:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-03 01:00:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-03 01:00:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 01:00:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-03 01:00:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-03 01:00:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-03 01:00:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-03 01:00:55,747 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-03 01:00:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-03 01:00:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 01:00:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2019-10-03 01:00:55,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __atomic_add_unless [2019-10-03 01:00:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2019-10-03 01:00:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-03 01:00:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-03 01:00:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-10-03 01:00:55,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_4 [2019-10-03 01:00:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-10-03 01:00:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_7 [2019-10-03 01:00:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-10-03 01:00:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-03 01:00:55,752 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-03 01:00:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get_unless_zero [2019-10-03 01:00:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 01:00:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-10-03 01:00:55,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 01:00:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 01:00:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 01:00:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 01:00:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 01:00:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 01:00:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 01:00:55,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 01:00:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 01:00:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-03 01:00:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-03 01:00:55,755 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-10-03 01:00:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2019-10-03 01:00:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_get [2019-10-03 01:00:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2019-10-03 01:00:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2019-10-03 01:00:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2019-10-03 01:00:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2019-10-03 01:00:55,756 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2019-10-03 01:00:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2019-10-03 01:00:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2019-10-03 01:00:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2019-10-03 01:00:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2019-10-03 01:00:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-03 01:00:55,757 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-03 01:00:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-03 01:00:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-03 01:00:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2019-10-03 01:00:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-03 01:00:55,758 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-03 01:00:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-03 01:00:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2019-10-03 01:00:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_interface_claimed [2019-10-03 01:00:55,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2019-10-03 01:00:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-10-03 01:00:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-03 01:00:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-03 01:00:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2019-10-03 01:00:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2019-10-03 01:00:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_get_by_index [2019-10-03 01:00:55,760 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_alloc_minor [2019-10-03 01:00:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2019-10-03 01:00:55,761 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2019-10-03 01:00:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_alloc [2019-10-03 01:00:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2019-10-03 01:00:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2019-10-03 01:00:55,762 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2019-10-03 01:00:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure show_caps [2019-10-03 01:00:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_codes [2019-10-03 01:00:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure show_country_rel_date [2019-10-03 01:00:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_irq [2019-10-03 01:00:55,763 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2019-10-03 01:00:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2019-10-03 01:00:55,764 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_process_read_urb [2019-10-03 01:00:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_bulk_callback [2019-10-03 01:00:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_bulk [2019-10-03 01:00:55,765 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2019-10-03 01:00:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2019-10-03 01:00:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_open [2019-10-03 01:00:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2019-10-03 01:00:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_activate [2019-10-03 01:00:55,766 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_destruct [2019-10-03 01:00:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_shutdown [2019-10-03 01:00:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2019-10-03 01:00:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2019-10-03 01:00:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_close [2019-10-03 01:00:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write [2019-10-03 01:00:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2019-10-03 01:00:55,767 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2019-10-03 01:00:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2019-10-03 01:00:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2019-10-03 01:00:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2019-10-03 01:00:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2019-10-03 01:00:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2019-10-03 01:00:55,768 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_info [2019-10-03 01:00:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure set_serial_info [2019-10-03 01:00:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_serial_change [2019-10-03 01:00:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure get_serial_usage [2019-10-03 01:00:55,769 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2019-10-03 01:00:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2019-10-03 01:00:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2019-10-03 01:00:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2019-10-03 01:00:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_alloc [2019-10-03 01:00:55,770 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_probe [2019-10-03 01:00:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2019-10-03 01:00:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2019-10-03 01:00:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_suspend [2019-10-03 01:00:55,771 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2019-10-03 01:00:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_reset_resume [2019-10-03 01:00:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_init [2019-10-03 01:00:55,772 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_exit [2019-10-03 01:00:55,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-10-03 01:00:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_3 [2019-10-03 01:00:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_1 [2019-10-03 01:00:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 01:00:55,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-03 01:00:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-10-03 01:00:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-03 01:00:55,778 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-10-03 01:00:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-03 01:00:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 01:00:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-10-03 01:00:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 01:00:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_19 [2019-10-03 01:00:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2019-10-03 01:00:55,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_21 [2019-10-03 01:00:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2019-10-03 01:00:55,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_23 [2019-10-03 01:00:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_24 [2019-10-03 01:00:55,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_25 [2019-10-03 01:00:55,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_26 [2019-10-03 01:00:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_27 [2019-10-03 01:00:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_28 [2019-10-03 01:00:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_29 [2019-10-03 01:00:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_30 [2019-10-03 01:00:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_31 [2019-10-03 01:00:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-03 01:00:55,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 01:00:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-03 01:00:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-03 01:00:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-03 01:00:55,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-03 01:00:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-03 01:00:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-03 01:00:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-10-03 01:00:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-03 01:00:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-03 01:00:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-03 01:00:55,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-10-03 01:00:55,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-03 01:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-10-03 01:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-03 01:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-03 01:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-03 01:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-03 01:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-03 01:00:55,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-03 01:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2019-10-03 01:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2019-10-03 01:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-10-03 01:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 01:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 01:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-03 01:00:55,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-03 01:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-03 01:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-10-03 01:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-03 01:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 01:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-10-03 01:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-03 01:00:55,799 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-03 01:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-03 01:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-10-03 01:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2019-10-03 01:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-10-03 01:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-10-03 01:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-10-03 01:00:55,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-10-03 01:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-10-03 01:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2019-10-03 01:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-10-03 01:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-10-03 01:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2019-10-03 01:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2019-10-03 01:00:55,801 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-10-03 01:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-10-03 01:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_standard_install [2019-10-03 01:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2019-10-03 01:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-10-03 01:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-10-03 01:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2019-10-03 01:00:55,802 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-03 01:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-03 01:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2019-10-03 01:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-10-03 01:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2019-10-03 01:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2019-10-03 01:00:55,803 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-10-03 01:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2019-10-03 01:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-03 01:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-03 01:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_claim_interface [2019-10-03 01:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_driver_release_interface [2019-10-03 01:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-03 01:00:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-03 01:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2019-10-03 01:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2019-10-03 01:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-03 01:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-03 01:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2019-10-03 01:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-03 01:00:55,805 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-03 01:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-03 01:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 01:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 01:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 01:00:55,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 01:00:55,807 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 01:00:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 01:00:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 01:00:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-03 01:00:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-03 01:00:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-03 01:00:55,807 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-03 01:00:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-03 01:00:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 01:00:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 01:00:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-03 01:00:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-03 01:00:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 01:00:55,808 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-10-03 01:00:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-03 01:00:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-03 01:00:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-03 01:00:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 01:00:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-03 01:00:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-03 01:00:55,809 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 01:00:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 01:00:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-03 01:00:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-03 01:00:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-03 01:00:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-03 01:00:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2019-10-03 01:00:55,810 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 01:00:55,811 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2019-10-03 01:00:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_add_unless [2019-10-03 01:00:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2019-10-03 01:00:55,816 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-03 01:00:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-03 01:00:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-03 01:00:55,817 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-03 01:00:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-10-03 01:00:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-03 01:00:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-10-03 01:00:55,821 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-03 01:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-03 01:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-10-03 01:00:55,822 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-03 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_4 [2019-10-03 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-10-03 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-10-03 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-03 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_7 [2019-10-03 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-10-03 01:00:55,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-10-03 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-03 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-03 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-03 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-03 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-03 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-03 01:00:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-03 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-10-03 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-03 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-03 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-03 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-03 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-03 01:00:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-03 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get_unless_zero [2019-10-03 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-10-03 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-10-03 01:00:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-10-03 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-03 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 01:00:55,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-03 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 01:00:55,828 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 01:00:55,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-10-03 01:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_3 [2019-10-03 01:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_1 [2019-10-03 01:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-03 01:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-03 01:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-03 01:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-03 01:00:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-03 01:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-03 01:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-03 01:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-10-03 01:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-10-03 01:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-10-03 01:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-10-03 01:00:55,831 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-10-03 01:00:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-10-03 01:00:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-10-03 01:00:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-10-03 01:00:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2019-10-03 01:00:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2019-10-03 01:00:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2019-10-03 01:00:55,832 INFO L130 BoogieDeclarations]: Found specification of procedure tty_standard_install [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_get [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2019-10-03 01:00:55,833 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2019-10-03 01:00:55,834 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2019-10-03 01:00:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2019-10-03 01:00:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2019-10-03 01:00:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2019-10-03 01:00:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2019-10-03 01:00:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2019-10-03 01:00:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2019-10-03 01:00:55,835 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-03 01:00:55,836 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-03 01:00:55,837 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-10-03 01:00:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-10-03 01:00:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2019-10-03 01:00:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2019-10-03 01:00:55,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2019-10-03 01:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2019-10-03 01:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_claim_interface [2019-10-03 01:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_interface_claimed [2019-10-03 01:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_driver_release_interface [2019-10-03 01:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-03 01:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-03 01:00:55,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_30 [2019-10-03 01:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-03 01:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_31 [2019-10-03 01:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2019-10-03 01:00:55,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_25 [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_27 [2019-10-03 01:00:55,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_28 [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_19 [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_21 [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_29 [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-03 01:00:55,843 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_23 [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_24 [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_26 [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-03 01:00:55,844 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure acm_get_by_index [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure acm_alloc_minor [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_alloc [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2019-10-03 01:00:55,845 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure show_caps [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_codes [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure show_country_rel_date [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_irq [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2019-10-03 01:00:55,846 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_process_read_urb [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_bulk_callback [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_bulk [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_open [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_activate [2019-10-03 01:00:55,847 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_destruct [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_shutdown [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_close [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2019-10-03 01:00:55,848 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_info [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure set_serial_info [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure wait_serial_change [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_serial_usage [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2019-10-03 01:00:55,849 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_alloc [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_probe [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_suspend [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2019-10-03 01:00:55,850 INFO L130 BoogieDeclarations]: Found specification of procedure acm_reset_resume [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure acm_init [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure acm_exit [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-03 01:00:55,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 01:00:55,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 01:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 01:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 01:00:55,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 01:00:57,368 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 01:01:19,294 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 01:01:19,294 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 01:01:19,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:01:19 BoogieIcfgContainer [2019-10-03 01:01:19,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 01:01:19,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 01:01:19,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 01:01:19,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 01:01:19,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 01:00:51" (1/3) ... [2019-10-03 01:01:19,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b6dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:01:19, skipping insertion in model container [2019-10-03 01:01:19,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 01:00:55" (2/3) ... [2019-10-03 01:01:19,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@321b6dfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 01:01:19, skipping insertion in model container [2019-10-03 01:01:19,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 01:01:19" (3/3) ... [2019-10-03 01:01:19,310 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2019-10-03 01:01:19,325 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 01:01:19,339 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 01:01:19,360 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 01:01:19,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 01:01:19,392 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 01:01:19,392 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 01:01:19,393 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 01:01:19,393 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 01:01:19,393 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 01:01:19,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 01:01:19,393 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 01:01:19,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states. [2019-10-03 01:01:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-03 01:01:19,499 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:19,500 INFO L411 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] [2019-10-03 01:01:19,503 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:19,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash 585180847, now seen corresponding path program 1 times [2019-10-03 01:01:19,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:19,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:19,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:19,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:19,614 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-03 01:01:20,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:20,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:01:20,704 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:20,710 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:01:20,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:01:20,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:20,729 INFO L87 Difference]: Start difference. First operand 2010 states. Second operand 3 states. [2019-10-03 01:01:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:24,270 INFO L93 Difference]: Finished difference Result 3475 states and 4556 transitions. [2019-10-03 01:01:24,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:01:24,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-10-03 01:01:24,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:24,310 INFO L225 Difference]: With dead ends: 3475 [2019-10-03 01:01:24,310 INFO L226 Difference]: Without dead ends: 3410 [2019-10-03 01:01:24,312 INFO L640 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 [2019-10-03 01:01:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2019-10-03 01:01:24,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3407. [2019-10-03 01:01:24,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3407 states. [2019-10-03 01:01:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3407 states and 4468 transitions. [2019-10-03 01:01:24,621 INFO L78 Accepts]: Start accepts. Automaton has 3407 states and 4468 transitions. Word has length 140 [2019-10-03 01:01:24,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:24,623 INFO L475 AbstractCegarLoop]: Abstraction has 3407 states and 4468 transitions. [2019-10-03 01:01:24,623 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:01:24,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 4468 transitions. [2019-10-03 01:01:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-03 01:01:24,645 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:24,646 INFO L411 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, 1, 1, 1, 1, 1, 1] [2019-10-03 01:01:24,646 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:24,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:24,647 INFO L82 PathProgramCache]: Analyzing trace with hash 10724664, now seen corresponding path program 1 times [2019-10-03 01:01:24,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:24,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:24,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:24,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:24,673 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-03 01:01:25,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:25,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:01:25,350 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:25,357 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:01:25,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:01:25,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:25,359 INFO L87 Difference]: Start difference. First operand 3407 states and 4468 transitions. Second operand 3 states. [2019-10-03 01:01:26,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:26,976 INFO L93 Difference]: Finished difference Result 5290 states and 6910 transitions. [2019-10-03 01:01:26,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:01:26,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-03 01:01:26,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:27,015 INFO L225 Difference]: With dead ends: 5290 [2019-10-03 01:01:27,015 INFO L226 Difference]: Without dead ends: 5290 [2019-10-03 01:01:27,016 INFO L640 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 [2019-10-03 01:01:27,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5290 states. [2019-10-03 01:01:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5290 to 5273. [2019-10-03 01:01:27,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5273 states. [2019-10-03 01:01:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 5273 states and 6892 transitions. [2019-10-03 01:01:27,365 INFO L78 Accepts]: Start accepts. Automaton has 5273 states and 6892 transitions. Word has length 156 [2019-10-03 01:01:27,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:27,366 INFO L475 AbstractCegarLoop]: Abstraction has 5273 states and 6892 transitions. [2019-10-03 01:01:27,366 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:01:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states and 6892 transitions. [2019-10-03 01:01:27,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-03 01:01:27,370 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:27,370 INFO L411 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] [2019-10-03 01:01:27,371 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:27,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:27,372 INFO L82 PathProgramCache]: Analyzing trace with hash 108404325, now seen corresponding path program 1 times [2019-10-03 01:01:27,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:27,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:27,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:27,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:27,389 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2019-10-03 01:01:27,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:27,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:01:27,868 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:27,869 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:01:27,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:01:27,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:27,869 INFO L87 Difference]: Start difference. First operand 5273 states and 6892 transitions. Second operand 3 states. [2019-10-03 01:01:29,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:29,221 INFO L93 Difference]: Finished difference Result 7999 states and 10362 transitions. [2019-10-03 01:01:29,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:01:29,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-03 01:01:29,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:29,290 INFO L225 Difference]: With dead ends: 7999 [2019-10-03 01:01:29,291 INFO L226 Difference]: Without dead ends: 7999 [2019-10-03 01:01:29,291 INFO L640 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 [2019-10-03 01:01:29,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7999 states. [2019-10-03 01:01:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7999 to 7994. [2019-10-03 01:01:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7994 states. [2019-10-03 01:01:29,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7994 states to 7994 states and 10358 transitions. [2019-10-03 01:01:29,624 INFO L78 Accepts]: Start accepts. Automaton has 7994 states and 10358 transitions. Word has length 147 [2019-10-03 01:01:29,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:29,624 INFO L475 AbstractCegarLoop]: Abstraction has 7994 states and 10358 transitions. [2019-10-03 01:01:29,625 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:01:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 7994 states and 10358 transitions. [2019-10-03 01:01:29,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-03 01:01:29,633 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:29,633 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2019-10-03 01:01:29,633 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:29,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:29,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1253484245, now seen corresponding path program 1 times [2019-10-03 01:01:29,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:29,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:29,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:29,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:29,651 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:30,258 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2019-10-03 01:01:30,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:30,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:01:30,259 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:30,260 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:01:30,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:01:30,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:30,261 INFO L87 Difference]: Start difference. First operand 7994 states and 10358 transitions. Second operand 3 states. [2019-10-03 01:01:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:30,362 INFO L93 Difference]: Finished difference Result 8192 states and 10555 transitions. [2019-10-03 01:01:30,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:01:30,363 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-03 01:01:30,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:30,424 INFO L225 Difference]: With dead ends: 8192 [2019-10-03 01:01:30,424 INFO L226 Difference]: Without dead ends: 8192 [2019-10-03 01:01:30,425 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8192 states. [2019-10-03 01:01:30,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8192 to 8192. [2019-10-03 01:01:30,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8192 states. [2019-10-03 01:01:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8192 states to 8192 states and 10555 transitions. [2019-10-03 01:01:30,705 INFO L78 Accepts]: Start accepts. Automaton has 8192 states and 10555 transitions. Word has length 211 [2019-10-03 01:01:30,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:30,706 INFO L475 AbstractCegarLoop]: Abstraction has 8192 states and 10555 transitions. [2019-10-03 01:01:30,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:01:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8192 states and 10555 transitions. [2019-10-03 01:01:30,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-03 01:01:30,716 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:30,716 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 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] [2019-10-03 01:01:30,717 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:30,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:30,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1159501719, now seen corresponding path program 1 times [2019-10-03 01:01:30,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:30,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:30,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:30,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:30,732 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 548 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2019-10-03 01:01:31,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:31,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:01:31,215 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:31,216 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:01:31,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:01:31,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:31,216 INFO L87 Difference]: Start difference. First operand 8192 states and 10555 transitions. Second operand 3 states. [2019-10-03 01:01:35,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:35,235 INFO L93 Difference]: Finished difference Result 12975 states and 16637 transitions. [2019-10-03 01:01:35,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:01:35,235 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 218 [2019-10-03 01:01:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:35,301 INFO L225 Difference]: With dead ends: 12975 [2019-10-03 01:01:35,301 INFO L226 Difference]: Without dead ends: 12975 [2019-10-03 01:01:35,302 INFO L640 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 [2019-10-03 01:01:35,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12975 states. [2019-10-03 01:01:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12975 to 12954. [2019-10-03 01:01:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12954 states. [2019-10-03 01:01:35,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12954 states to 12954 states and 16615 transitions. [2019-10-03 01:01:35,676 INFO L78 Accepts]: Start accepts. Automaton has 12954 states and 16615 transitions. Word has length 218 [2019-10-03 01:01:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:35,677 INFO L475 AbstractCegarLoop]: Abstraction has 12954 states and 16615 transitions. [2019-10-03 01:01:35,677 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:01:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 12954 states and 16615 transitions. [2019-10-03 01:01:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-03 01:01:35,699 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:35,699 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 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] [2019-10-03 01:01:35,699 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:35,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:35,700 INFO L82 PathProgramCache]: Analyzing trace with hash -2042217939, now seen corresponding path program 1 times [2019-10-03 01:01:35,701 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:35,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:35,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:35,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:35,721 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:36,426 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-10-03 01:01:36,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:36,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 01:01:36,427 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:36,427 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 01:01:36,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 01:01:36,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:01:36,428 INFO L87 Difference]: Start difference. First operand 12954 states and 16615 transitions. Second operand 5 states. [2019-10-03 01:01:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:37,957 INFO L93 Difference]: Finished difference Result 12980 states and 16647 transitions. [2019-10-03 01:01:37,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 01:01:37,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 231 [2019-10-03 01:01:37,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:38,033 INFO L225 Difference]: With dead ends: 12980 [2019-10-03 01:01:38,033 INFO L226 Difference]: Without dead ends: 12980 [2019-10-03 01:01:38,034 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:01:38,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12980 states. [2019-10-03 01:01:38,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12980 to 12972. [2019-10-03 01:01:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12972 states. [2019-10-03 01:01:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12972 states to 12972 states and 16639 transitions. [2019-10-03 01:01:38,434 INFO L78 Accepts]: Start accepts. Automaton has 12972 states and 16639 transitions. Word has length 231 [2019-10-03 01:01:38,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:38,436 INFO L475 AbstractCegarLoop]: Abstraction has 12972 states and 16639 transitions. [2019-10-03 01:01:38,436 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 01:01:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12972 states and 16639 transitions. [2019-10-03 01:01:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-03 01:01:38,457 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:38,458 INFO L411 BasicCegarLoop]: trace histogram [15, 15, 15, 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] [2019-10-03 01:01:38,459 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:38,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:38,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1511220413, now seen corresponding path program 1 times [2019-10-03 01:01:38,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:38,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:38,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:38,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:38,480 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2019-10-03 01:01:39,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:39,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 01:01:39,093 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:39,094 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 01:01:39,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 01:01:39,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 01:01:39,095 INFO L87 Difference]: Start difference. First operand 12972 states and 16639 transitions. Second operand 6 states. [2019-10-03 01:01:43,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:43,085 INFO L93 Difference]: Finished difference Result 12955 states and 16592 transitions. [2019-10-03 01:01:43,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 01:01:43,085 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 256 [2019-10-03 01:01:43,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:43,138 INFO L225 Difference]: With dead ends: 12955 [2019-10-03 01:01:43,139 INFO L226 Difference]: Without dead ends: 12769 [2019-10-03 01:01:43,139 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:01:43,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12769 states. [2019-10-03 01:01:43,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12769 to 12697. [2019-10-03 01:01:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12697 states. [2019-10-03 01:01:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12697 states to 12697 states and 16304 transitions. [2019-10-03 01:01:43,476 INFO L78 Accepts]: Start accepts. Automaton has 12697 states and 16304 transitions. Word has length 256 [2019-10-03 01:01:43,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:43,477 INFO L475 AbstractCegarLoop]: Abstraction has 12697 states and 16304 transitions. [2019-10-03 01:01:43,477 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 01:01:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 12697 states and 16304 transitions. [2019-10-03 01:01:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-10-03 01:01:43,490 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:43,491 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 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, 1, 1, 1, 1] [2019-10-03 01:01:43,492 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:43,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:43,492 INFO L82 PathProgramCache]: Analyzing trace with hash 105667629, now seen corresponding path program 1 times [2019-10-03 01:01:43,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:43,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:43,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:43,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:43,697 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2019-10-03 01:01:44,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:44,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:01:44,505 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:44,506 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:01:44,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:01:44,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:44,507 INFO L87 Difference]: Start difference. First operand 12697 states and 16304 transitions. Second operand 3 states. [2019-10-03 01:01:48,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:48,332 INFO L93 Difference]: Finished difference Result 16908 states and 21593 transitions. [2019-10-03 01:01:48,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:01:48,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2019-10-03 01:01:48,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:48,420 INFO L225 Difference]: With dead ends: 16908 [2019-10-03 01:01:48,420 INFO L226 Difference]: Without dead ends: 16908 [2019-10-03 01:01:48,421 INFO L640 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 [2019-10-03 01:01:48,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16908 states. [2019-10-03 01:01:48,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16908 to 16791. [2019-10-03 01:01:48,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16791 states. [2019-10-03 01:01:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16791 states to 16791 states and 21471 transitions. [2019-10-03 01:01:48,799 INFO L78 Accepts]: Start accepts. Automaton has 16791 states and 21471 transitions. Word has length 274 [2019-10-03 01:01:48,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:48,800 INFO L475 AbstractCegarLoop]: Abstraction has 16791 states and 21471 transitions. [2019-10-03 01:01:48,800 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:01:48,800 INFO L276 IsEmpty]: Start isEmpty. Operand 16791 states and 21471 transitions. [2019-10-03 01:01:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-03 01:01:48,832 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:48,833 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 01:01:48,833 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:48,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:48,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1970543144, now seen corresponding path program 1 times [2019-10-03 01:01:48,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:48,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:48,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:48,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:48,850 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2019-10-03 01:01:49,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:49,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 01:01:49,617 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:49,624 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 01:01:49,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 01:01:49,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 01:01:49,625 INFO L87 Difference]: Start difference. First operand 16791 states and 21471 transitions. Second operand 3 states. [2019-10-03 01:01:53,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:53,183 INFO L93 Difference]: Finished difference Result 21659 states and 27608 transitions. [2019-10-03 01:01:53,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 01:01:53,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 296 [2019-10-03 01:01:53,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:53,263 INFO L225 Difference]: With dead ends: 21659 [2019-10-03 01:01:53,264 INFO L226 Difference]: Without dead ends: 21659 [2019-10-03 01:01:53,264 INFO L640 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 [2019-10-03 01:01:53,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21659 states. [2019-10-03 01:01:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21659 to 21542. [2019-10-03 01:01:53,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21542 states. [2019-10-03 01:01:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21542 states to 21542 states and 27486 transitions. [2019-10-03 01:01:53,915 INFO L78 Accepts]: Start accepts. Automaton has 21542 states and 27486 transitions. Word has length 296 [2019-10-03 01:01:53,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:53,915 INFO L475 AbstractCegarLoop]: Abstraction has 21542 states and 27486 transitions. [2019-10-03 01:01:53,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 01:01:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 21542 states and 27486 transitions. [2019-10-03 01:01:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-10-03 01:01:53,942 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:53,943 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 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] [2019-10-03 01:01:53,943 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:53,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:53,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1139833849, now seen corresponding path program 1 times [2019-10-03 01:01:53,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:53,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:53,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:53,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:53,958 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2019-10-03 01:01:54,745 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:54,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 01:01:54,746 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:54,747 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 01:01:54,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 01:01:54,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 01:01:54,747 INFO L87 Difference]: Start difference. First operand 21542 states and 27486 transitions. Second operand 5 states. [2019-10-03 01:01:58,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:01:58,188 INFO L93 Difference]: Finished difference Result 21704 states and 27668 transitions. [2019-10-03 01:01:58,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 01:01:58,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2019-10-03 01:01:58,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:01:58,277 INFO L225 Difference]: With dead ends: 21704 [2019-10-03 01:01:58,278 INFO L226 Difference]: Without dead ends: 21641 [2019-10-03 01:01:58,279 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 01:01:58,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21641 states. [2019-10-03 01:01:58,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21641 to 21542. [2019-10-03 01:01:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21542 states. [2019-10-03 01:01:58,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21542 states to 21542 states and 27462 transitions. [2019-10-03 01:01:58,702 INFO L78 Accepts]: Start accepts. Automaton has 21542 states and 27462 transitions. Word has length 279 [2019-10-03 01:01:58,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:01:58,703 INFO L475 AbstractCegarLoop]: Abstraction has 21542 states and 27462 transitions. [2019-10-03 01:01:58,704 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 01:01:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 21542 states and 27462 transitions. [2019-10-03 01:01:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-10-03 01:01:58,729 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:01:58,729 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 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] [2019-10-03 01:01:58,729 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:01:58,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:01:58,730 INFO L82 PathProgramCache]: Analyzing trace with hash -174271032, now seen corresponding path program 1 times [2019-10-03 01:01:58,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:01:58,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:58,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:01:58,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:01:58,742 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:01:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:01:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2019-10-03 01:01:59,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 01:01:59,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 01:01:59,852 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:01:59,853 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 01:01:59,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 01:01:59,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 01:01:59,854 INFO L87 Difference]: Start difference. First operand 21542 states and 27462 transitions. Second operand 4 states. [2019-10-03 01:02:00,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:02:00,083 INFO L93 Difference]: Finished difference Result 21599 states and 27557 transitions. [2019-10-03 01:02:00,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 01:02:00,084 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 279 [2019-10-03 01:02:00,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:02:00,161 INFO L225 Difference]: With dead ends: 21599 [2019-10-03 01:02:00,162 INFO L226 Difference]: Without dead ends: 21597 [2019-10-03 01:02:00,163 INFO L640 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 [2019-10-03 01:02:00,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21597 states. [2019-10-03 01:02:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21597 to 21543. [2019-10-03 01:02:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21543 states. [2019-10-03 01:02:01,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21543 states to 21543 states and 27463 transitions. [2019-10-03 01:02:01,668 INFO L78 Accepts]: Start accepts. Automaton has 21543 states and 27463 transitions. Word has length 279 [2019-10-03 01:02:01,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:02:01,668 INFO L475 AbstractCegarLoop]: Abstraction has 21543 states and 27463 transitions. [2019-10-03 01:02:01,668 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 01:02:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 21543 states and 27463 transitions. [2019-10-03 01:02:01,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-10-03 01:02:01,700 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 01:02:01,703 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 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] [2019-10-03 01:02:01,703 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 01:02:01,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:02:01,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1253339622, now seen corresponding path program 1 times [2019-10-03 01:02:01,705 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 01:02:01,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:02:01,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 01:02:01,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 01:02:01,718 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 01:02:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 01:02:02,664 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2019-10-03 01:02:02,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 01:02:02,665 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 01:02:02,666 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2019-10-03 01:02:02,670 INFO L207 CegarAbsIntRunner]: [154], [155], [253], [255], [257], [258], [259], [260], [269], [271], [272], [339], [382], [386], [388], [389], [418], [419], [420], [422], [424], [428], [429], [1076], [1078], [1082], [1085], [1091], [1093], [1101], [1102], [1286], [1639], [1642], [1646], [1708], [1709], [1712], [1715], [1743], [1745], [1748], [1755], [1756], [1762], [1768], [1769], [1781], [1782], [1801], [1806], [2039], [2040], [2137], [2139], [2140], [2188], [2190], [2192], [2194], [2196], [2198], [2200], [2202], [2204], [2206], [2208], [2210], [2212], [2214], [2216], [2219], [2221], [2254], [2287], [2290], [2293], [2296], [2299], [2306], [2327], [2348], [2369], [2382], [2385], [2388], [2390], [2393], [2604], [2607], [2610], [2622], [2625], [2628], [2630], [2633], [2635], [2637], [2645], [2922], [2923], [2974], [2975], [2978], [2979], [2980], [2982], [2985], [2990], [2991], [3200], [3202], [3204], [3205], [3402], [3406], [3409], [3415], [3421], [3424], [3428], [3430], [3432], [3438], [3446], [3464], [3466], [3467], [3606], [3608], [3609], [3684], [3685], [3686], [3687], [3688], [3689], [3740], [3741], [3742], [3743], [3930], [3931], [3932], [3933], [3934], [3935], [3938], [3939], [4022], [4142], [4158], [4256], [4257], [4266], [4267], [4268], [4269], [4270], [4271], [4272], [4273], [4274], [4275], [4276], [4277], [4278], [4279], [4280], [4281], [4282], [4283], [4284], [4285], [4286], [4287], [4288], [4289], [4290], [4291], [4292], [4293], [4294], [4295], [4296], [4297], [4306], [4322], [4323], [4364], [4365], [4366], [4367], [4368], [4369], [4422], [4423], [4424], [4425], [4456], [4457], [4458], [4459], [4510], [4511], [4512], [4513], [4518], [4519], [4520], [4521], [4528], [4536], [4537], [4556], [4557], [4558], [4578], [4579] [2019-10-03 01:02:02,747 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 01:02:02,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 01:02:03,147 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 01:02:03,149 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 522 root evaluator evaluations with a maximum evaluation depth of 0. Performed 522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1056 variables. [2019-10-03 01:02:03,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 01:02:03,155 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 01:02:03,314 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 01:02:03,314 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 01:02:03,326 INFO L420 sIntCurrentIteration]: We unified 279 AI predicates to 279 [2019-10-03 01:02:03,327 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 01:02:03,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 01:02:03,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-10-03 01:02:03,329 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 01:02:03,329 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 01:02:03,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 01:02:03,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:02:03,330 INFO L87 Difference]: Start difference. First operand 21543 states and 27463 transitions. Second operand 2 states. [2019-10-03 01:02:03,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 01:02:03,331 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 01:02:03,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 01:02:03,331 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 280 [2019-10-03 01:02:03,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 01:02:03,331 INFO L225 Difference]: With dead ends: 2 [2019-10-03 01:02:03,331 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 01:02:03,332 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 01:02:03,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 01:02:03,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 01:02:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 01:02:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 01:02:03,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2019-10-03 01:02:03,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 01:02:03,333 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 01:02:03,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 01:02:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 01:02:03,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 01:02:03,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 01:02:03 BoogieIcfgContainer [2019-10-03 01:02:03,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 01:02:03,345 INFO L168 Benchmark]: Toolchain (without parser) took 72052.09 ms. Allocated memory was 131.1 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 75.6 MB in the beginning and 650.8 MB in the end (delta: -575.3 MB). Peak memory consumption was 664.7 MB. Max. memory is 7.1 GB. [2019-10-03 01:02:03,347 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 01:02:03,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3741.04 ms. Allocated memory was 131.1 MB in the beginning and 274.2 MB in the end (delta: 143.1 MB). Free memory was 75.3 MB in the beginning and 90.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. [2019-10-03 01:02:03,356 INFO L168 Benchmark]: Boogie Preprocessor took 632.70 ms. Allocated memory was 274.2 MB in the beginning and 281.5 MB in the end (delta: 7.3 MB). Free memory was 90.7 MB in the beginning and 201.2 MB in the end (delta: -110.4 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. [2019-10-03 01:02:03,363 INFO L168 Benchmark]: RCFGBuilder took 23630.20 ms. Allocated memory was 281.5 MB in the beginning and 1.0 GB in the end (delta: 721.4 MB). Free memory was 201.2 MB in the beginning and 569.1 MB in the end (delta: -368.0 MB). Peak memory consumption was 775.7 MB. Max. memory is 7.1 GB. [2019-10-03 01:02:03,365 INFO L168 Benchmark]: TraceAbstraction took 44042.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 368.1 MB). Free memory was 569.1 MB in the beginning and 650.8 MB in the end (delta: -81.7 MB). Peak memory consumption was 286.3 MB. Max. memory is 7.1 GB. [2019-10-03 01:02:03,379 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3741.04 ms. Allocated memory was 131.1 MB in the beginning and 274.2 MB in the end (delta: 143.1 MB). Free memory was 75.3 MB in the beginning and 90.7 MB in the end (delta: -15.4 MB). Peak memory consumption was 127.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 632.70 ms. Allocated memory was 274.2 MB in the beginning and 281.5 MB in the end (delta: 7.3 MB). Free memory was 90.7 MB in the beginning and 201.2 MB in the end (delta: -110.4 MB). Peak memory consumption was 45.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 23630.20 ms. Allocated memory was 281.5 MB in the beginning and 1.0 GB in the end (delta: 721.4 MB). Free memory was 201.2 MB in the beginning and 569.1 MB in the end (delta: -368.0 MB). Peak memory consumption was 775.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44042.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 368.1 MB). Free memory was 569.1 MB in the beginning and 650.8 MB in the end (delta: -81.7 MB). Peak memory consumption was 286.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4273]: 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 233 procedures, 2076 locations, 1 error locations. SAFE Result, 43.9s OverallTime, 12 OverallIterations, 18 TraceHistogramMax, 27.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 30403 SDtfs, 15537 SDslu, 39239 SDs, 0 SdLazy, 330 SolverSat, 90 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 23.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21543occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 4.232974910394265 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 513 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2767 NumberOfCodeBlocks, 2767 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2755 ConstructedInterpolants, 0 QuantifiedInterpolants, 753637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 6210/6211 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...