java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:35:56,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:35:56,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:35:56,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:35:56,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:35:56,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:35:56,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:35:56,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:35:56,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:35:56,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:35:56,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:35:56,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:35:56,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:35:56,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:35:56,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:35:56,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:35:56,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:35:56,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:35:56,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:35:56,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:35:56,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:35:56,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:35:56,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:35:56,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:35:56,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 10:35:56,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 10:35:56,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 10:35:56,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 10:35:56,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 10:35:56,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 10:35:56,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 10:35:56,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 10:35:56,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 10:35:56,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 10:35:56,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 10:35:56,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 10:35:56,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 10:35:56,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 10:35:56,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:35:56,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:35:56,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:35:56,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 10:35:56,753 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:35:56,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:35:56,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:35:56,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:35:56,755 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:35:56,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:35:56,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:35:56,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:35:56,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:35:56,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:35:56,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:35:56,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:35:56,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:35:56,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:35:56,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:35:56,757 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:35:56,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:35:56,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:35:56,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:35:56,758 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:35:56,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:35:56,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:35:56,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:35:56,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:35:56,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:35:56,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:35:56,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:35:56,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:35:56,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:35:56,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:35:56,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:35:56,802 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:35:56,804 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:35:56,804 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:35:56,805 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-02 10:35:56,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc42fb88/ef115331286847fdafe9d9157ef89c5f/FLAG731ac1294 [2019-10-02 10:35:57,626 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:35:57,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-02 10:35:57,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc42fb88/ef115331286847fdafe9d9157ef89c5f/FLAG731ac1294 [2019-10-02 10:35:57,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc42fb88/ef115331286847fdafe9d9157ef89c5f [2019-10-02 10:35:57,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:35:57,695 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:35:57,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:35:57,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:35:57,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:35:57,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:35:57" (1/1) ... [2019-10-02 10:35:57,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cce104a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:35:57, skipping insertion in model container [2019-10-02 10:35:57,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:35:57" (1/1) ... [2019-10-02 10:35:57,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:35:57,845 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:35:59,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:35:59,928 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:36:00,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:36:00,834 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:36:00,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00 WrapperNode [2019-10-02 10:36:00,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:36:00,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:36:00,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:36:00,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:36:00,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (1/1) ... [2019-10-02 10:36:00,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (1/1) ... [2019-10-02 10:36:00,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (1/1) ... [2019-10-02 10:36:00,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (1/1) ... [2019-10-02 10:36:01,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (1/1) ... [2019-10-02 10:36:01,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (1/1) ... [2019-10-02 10:36:01,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (1/1) ... [2019-10-02 10:36:01,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:36:01,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:36:01,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:36:01,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:36:01,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (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 [2019-10-02 10:36:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:36:01,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:36:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~TO~int [2019-10-02 10:36:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-02 10:36:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-10-02 10:36:01,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-02 10:36:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2019-10-02 10:36:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-02 10:36:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-10-02 10:36:01,261 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-02 10:36:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 10:36:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 10:36:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-02 10:36:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-02 10:36:01,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 10:36:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 10:36:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 10:36:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 10:36:01,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 10:36:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 10:36:01,266 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 10:36:01,267 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-02 10:36:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-02 10:36:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-02 10:36:01,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 10:36:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-02 10:36:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-02 10:36:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-02 10:36:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-10-02 10:36:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-02 10:36:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2019-10-02 10:36:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-10-02 10:36:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-02 10:36:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-02 10:36:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-02 10:36:01,270 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-02 10:36:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-02 10:36:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-10-02 10:36:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-10-02 10:36:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-02 10:36:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-02 10:36:01,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-10-02 10:36:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2019-10-02 10:36:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2019-10-02 10:36:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2019-10-02 10:36:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2019-10-02 10:36:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure send_associate_24g [2019-10-02 10:36:01,272 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_imon_clock [2019-10-02 10:36:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure show_associate_remote [2019-10-02 10:36:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure store_associate_remote [2019-10-02 10:36:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure show_imon_clock [2019-10-02 10:36:01,273 INFO L138 BoogieDeclarations]: Found implementation of procedure store_imon_clock [2019-10-02 10:36:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2019-10-02 10:36:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2019-10-02 10:36:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2019-10-02 10:36:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_display_timeout [2019-10-02 10:36:01,274 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_ir_change_protocol [2019-10-02 10:36:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2019-10-02 10:36:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2019-10-02 10:36:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2019-10-02 10:36:01,275 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mce_key_lookup [2019-10-02 10:36:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_panel_key_lookup [2019-10-02 10:36:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mouse_event [2019-10-02 10:36:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_event [2019-10-02 10:36:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_pad_to_keys [2019-10-02 10:36:01,276 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_parse_press_type [2019-10-02 10:36:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2019-10-02 10:36:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2019-10-02 10:36:01,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2019-10-02 10:36:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_get_ffdc_type [2019-10-02 10:36:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_set_display_type [2019-10-02 10:36:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_rdev [2019-10-02 10:36:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_idev [2019-10-02 10:36:01,278 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_touch [2019-10-02 10:36:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2019-10-02 10:36:01,279 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf0 [2019-10-02 10:36:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf1 [2019-10-02 10:36:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_display [2019-10-02 10:36:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2019-10-02 10:36:01,280 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2019-10-02 10:36:01,281 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2019-10-02 10:36:01,281 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2019-10-02 10:36:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init [2019-10-02 10:36:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_exit [2019-10-02 10:36:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-10-02 10:36:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-02 10:36:01,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-10-02 10:36:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-10-02 10:36:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-02 10:36:01,284 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-02 10:36:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-10-02 10:36:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-10-02 10:36:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-02 10:36:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:36:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_5 [2019-10-02 10:36:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_6 [2019-10-02 10:36:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-02 10:36:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-02 10:36:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-02 10:36:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_10 [2019-10-02 10:36:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-02 10:36:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-10-02 10:36:01,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-02 10:36:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-02 10:36:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-02 10:36:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-02 10:36:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-02 10:36:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-10-02 10:36:01,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-10-02 10:36:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-02 10:36:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-02 10:36:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-02 10:36:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-02 10:36:01,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-10-02 10:36:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-10-02 10:36:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-10-02 10:36:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-10-02 10:36:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-10-02 10:36:01,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-10-02 10:36:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-10-02 10:36:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-10-02 10:36:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2019-10-02 10:36:01,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2019-10-02 10:36:01,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-10-02 10:36:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-10-02 10:36:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-10-02 10:36:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-10-02 10:36:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_38 [2019-10-02 10:36:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-10-02 10:36:01,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-10-02 10:36:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2019-10-02 10:36:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2019-10-02 10:36:01,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-10-02 10:36:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_44 [2019-10-02 10:36:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2019-10-02 10:36:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-10-02 10:36:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_47 [2019-10-02 10:36:01,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-02 10:36:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-02 10:36:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 10:36:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 10:36:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 10:36:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 10:36:01,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_driver_lock [2019-10-02 10:36:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_driver_lock [2019-10-02 10:36:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2019-10-02 10:36:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_driver_lock [2019-10-02 10:36:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2019-10-02 10:36:01,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_driver_lock [2019-10-02 10:36:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2019-10-02 10:36:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_driver_lock [2019-10-02 10:36:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_driver_lock [2019-10-02 10:36:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_driver_lock [2019-10-02 10:36:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_driver_lock [2019-10-02 10:36:01,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_imon_context [2019-10-02 10:36:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_imon_context [2019-10-02 10:36:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2019-10-02 10:36:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_imon_context [2019-10-02 10:36:01,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2019-10-02 10:36:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_imon_context [2019-10-02 10:36:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2019-10-02 10:36:01,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_imon_context [2019-10-02 10:36:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_imon_context [2019-10-02 10:36:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_imon_context [2019-10-02 10:36:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_imon_context [2019-10-02 10:36:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 10:36:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 10:36:01,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 10:36:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 10:36:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 10:36:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 10:36:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 10:36:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-02 10:36:01,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-02 10:36:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-02 10:36:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-02 10:36:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 10:36:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 10:36:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-02 10:36:01,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 10:36:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-02 10:36:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-10-02 10:36:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-02 10:36:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:36:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-02 10:36:01,315 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2019-10-02 10:36:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-02 10:36:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-02 10:36:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 10:36:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-02 10:36:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-10-02 10:36:01,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-02 10:36:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-10-02 10:36:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-10-02 10:36:01,317 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-02 10:36:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-02 10:36:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-02 10:36:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-10-02 10:36:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-02 10:36:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 10:36:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_4 [2019-10-02 10:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-02 10:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-02 10:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-10-02 10:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-02 10:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-02 10:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-02 10:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-02 10:36:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 10:36:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2019-10-02 10:36:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2019-10-02 10:36:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2019-10-02 10:36:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2019-10-02 10:36:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2019-10-02 10:36:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2019-10-02 10:36:01,322 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2019-10-02 10:36:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-02 10:36:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-02 10:36:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-10-02 10:36:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-10-02 10:36:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-02 10:36:01,323 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-02 10:36:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-10-02 10:36:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-10-02 10:36:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-02 10:36:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-10-02 10:36:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-10-02 10:36:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-02 10:36:01,324 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-10-02 10:36:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-02 10:36:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-02 10:36:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2019-10-02 10:36:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-10-02 10:36:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 10:36:01,325 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 10:36:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 10:36:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 10:36:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 10:36:01,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-02 10:36:01,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:36:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 10:36:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-10-02 10:36:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-02 10:36:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2019-10-02 10:36:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-02 10:36:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-10-02 10:36:01,327 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 10:36:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-10-02 10:36:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-02 10:36:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-02 10:36:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-10-02 10:36:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-02 10:36:01,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-02 10:36:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-02 10:36:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 10:36:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 10:36:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-02 10:36:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-02 10:36:01,329 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-02 10:36:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-02 10:36:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-02 10:36:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-02 10:36:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-02 10:36:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-02 10:36:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-02 10:36:01,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-02 10:36:01,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-02 10:36:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-02 10:36:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-10-02 10:36:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-02 10:36:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-02 10:36:01,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-10-02 10:36:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-10-02 10:36:01,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-10-02 10:36:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-10-02 10:36:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-10-02 10:36:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-10-02 10:36:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_38 [2019-10-02 10:36:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-10-02 10:36:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-10-02 10:36:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_44 [2019-10-02 10:36:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2019-10-02 10:36:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-10-02 10:36:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 10:36:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 10:36:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 10:36:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 10:36:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 10:36:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 10:36:01,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 10:36:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 10:36:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 10:36:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 10:36:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-02 10:36:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-02 10:36:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 10:36:01,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 10:36:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 10:36:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 10:36:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 10:36:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-02 10:36:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-02 10:36:01,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-02 10:36:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-10-02 10:36:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-02 10:36:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-10-02 10:36:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-02 10:36:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-02 10:36:01,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-10-02 10:36:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-10-02 10:36:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-10-02 10:36:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-10-02 10:36:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2019-10-02 10:36:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-10-02 10:36:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-10-02 10:36:01,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2019-10-02 10:36:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2019-10-02 10:36:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2019-10-02 10:36:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2019-10-02 10:36:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2019-10-02 10:36:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2019-10-02 10:36:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-02 10:36:01,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-02 10:36:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-02 10:36:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 10:36:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-02 10:36:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 10:36:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 10:36:01,349 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 10:36:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 10:36:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-10-02 10:36:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-10-02 10:36:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-02 10:36:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_6 [2019-10-02 10:36:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-02 10:36:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2019-10-02 10:36:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_5 [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2019-10-02 10:36:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-02 10:36:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2019-10-02 10:36:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 10:36:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-10-02 10:36:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-10-02 10:36:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-02 10:36:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-02 10:36:01,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-10-02 10:36:01,426 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-02 10:36:01,427 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-02 10:36:01,428 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-10-02 10:36:01,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_10 [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_47 [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-10-02 10:36:01,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-10-02 10:36:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-10-02 10:36:01,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2019-10-02 10:36:01,432 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2019-10-02 10:36:01,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2019-10-02 10:36:01,434 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure send_associate_24g [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_imon_clock [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure show_associate_remote [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure store_associate_remote [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure show_imon_clock [2019-10-02 10:36:01,435 INFO L130 BoogieDeclarations]: Found specification of procedure store_imon_clock [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_display_timeout [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_ir_change_protocol [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mce_key_lookup [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_panel_key_lookup [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mouse_event [2019-10-02 10:36:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_event [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_pad_to_keys [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_parse_press_type [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_get_ffdc_type [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_set_display_type [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_rdev [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_idev [2019-10-02 10:36:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_touch [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf0 [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf1 [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_display [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~TO~int [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure imon_exit [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 10:36:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_4 [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 10:36:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_driver_lock [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_driver_lock [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_driver_lock [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_driver_lock [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_driver_lock [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_driver_lock [2019-10-02 10:36:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_driver_lock [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_driver_lock [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_imon_context [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_imon_context [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_imon_context [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_imon_context [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_imon_context [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_imon_context [2019-10-02 10:36:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_imon_context [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_imon_context [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-02 10:36:01,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 10:36:01,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:36:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 10:36:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 10:36:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 10:36:01,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 10:36:02,878 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 10:36:18,605 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:36:18,605 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 10:36:18,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:36:18 BoogieIcfgContainer [2019-10-02 10:36:18,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:36:18,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:36:18,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:36:18,612 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:36:18,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:35:57" (1/3) ... [2019-10-02 10:36:18,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6d16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:36:18, skipping insertion in model container [2019-10-02 10:36:18,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:36:00" (2/3) ... [2019-10-02 10:36:18,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b6d16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:36:18, skipping insertion in model container [2019-10-02 10:36:18,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:36:18" (3/3) ... [2019-10-02 10:36:18,620 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-10-02 10:36:18,634 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:36:18,654 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:36:18,680 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:36:18,750 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:36:18,751 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:36:18,751 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:36:18,751 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:36:18,752 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:36:18,752 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:36:18,752 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:36:18,752 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:36:18,752 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:36:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states. [2019-10-02 10:36:18,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-02 10:36:18,880 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:18,886 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:18,890 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:18,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:18,899 INFO L82 PathProgramCache]: Analyzing trace with hash -511122898, now seen corresponding path program 1 times [2019-10-02 10:36:18,902 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:18,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:19,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:19,067 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:19,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:20,509 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-02 10:36:20,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:20,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:20,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:20,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:20,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:20,535 INFO L87 Difference]: Start difference. First operand 2003 states. Second operand 3 states. [2019-10-02 10:36:22,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:22,171 INFO L93 Difference]: Finished difference Result 4144 states and 5691 transitions. [2019-10-02 10:36:22,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:22,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-10-02 10:36:22,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:22,220 INFO L225 Difference]: With dead ends: 4144 [2019-10-02 10:36:22,220 INFO L226 Difference]: Without dead ends: 2724 [2019-10-02 10:36:22,236 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 [2019-10-02 10:36:22,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2019-10-02 10:36:22,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 2697. [2019-10-02 10:36:22,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2697 states. [2019-10-02 10:36:22,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2697 states and 3562 transitions. [2019-10-02 10:36:22,525 INFO L78 Accepts]: Start accepts. Automaton has 2697 states and 3562 transitions. Word has length 213 [2019-10-02 10:36:22,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:22,530 INFO L475 AbstractCegarLoop]: Abstraction has 2697 states and 3562 transitions. [2019-10-02 10:36:22,530 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:22,530 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 3562 transitions. [2019-10-02 10:36:22,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-02 10:36:22,538 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:23,237 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:23,237 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:23,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:23,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1500640242, now seen corresponding path program 1 times [2019-10-02 10:36:23,238 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:23,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:23,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:23,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:23,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-02 10:36:23,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:23,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:23,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:23,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:23,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:23,811 INFO L87 Difference]: Start difference. First operand 2697 states and 3562 transitions. Second operand 3 states. [2019-10-02 10:36:25,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:25,237 INFO L93 Difference]: Finished difference Result 6595 states and 8695 transitions. [2019-10-02 10:36:25,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:25,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-02 10:36:25,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:25,272 INFO L225 Difference]: With dead ends: 6595 [2019-10-02 10:36:25,273 INFO L226 Difference]: Without dead ends: 3952 [2019-10-02 10:36:25,292 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 [2019-10-02 10:36:25,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2019-10-02 10:36:25,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3909. [2019-10-02 10:36:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2019-10-02 10:36:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 5151 transitions. [2019-10-02 10:36:25,522 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 5151 transitions. Word has length 214 [2019-10-02 10:36:25,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:25,523 INFO L475 AbstractCegarLoop]: Abstraction has 3909 states and 5151 transitions. [2019-10-02 10:36:25,523 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:25,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 5151 transitions. [2019-10-02 10:36:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-02 10:36:25,526 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:25,526 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:25,527 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:25,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:25,527 INFO L82 PathProgramCache]: Analyzing trace with hash 213919949, now seen corresponding path program 1 times [2019-10-02 10:36:25,527 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:25,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:25,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:25,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:25,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:26,186 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-02 10:36:26,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:26,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:26,188 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:26,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:26,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:26,189 INFO L87 Difference]: Start difference. First operand 3909 states and 5151 transitions. Second operand 3 states. [2019-10-02 10:36:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:27,959 INFO L93 Difference]: Finished difference Result 11086 states and 14589 transitions. [2019-10-02 10:36:27,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:27,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-10-02 10:36:27,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:28,039 INFO L225 Difference]: With dead ends: 11086 [2019-10-02 10:36:28,040 INFO L226 Difference]: Without dead ends: 7239 [2019-10-02 10:36:28,061 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 [2019-10-02 10:36:28,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7239 states. [2019-10-02 10:36:28,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7239 to 7213. [2019-10-02 10:36:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7213 states. [2019-10-02 10:36:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7213 states to 7213 states and 9486 transitions. [2019-10-02 10:36:28,399 INFO L78 Accepts]: Start accepts. Automaton has 7213 states and 9486 transitions. Word has length 219 [2019-10-02 10:36:28,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:28,401 INFO L475 AbstractCegarLoop]: Abstraction has 7213 states and 9486 transitions. [2019-10-02 10:36:28,401 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:28,401 INFO L276 IsEmpty]: Start isEmpty. Operand 7213 states and 9486 transitions. [2019-10-02 10:36:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-02 10:36:28,406 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:28,406 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:28,406 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:28,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:28,407 INFO L82 PathProgramCache]: Analyzing trace with hash -18995727, now seen corresponding path program 1 times [2019-10-02 10:36:28,407 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:28,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:28,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:28,421 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:28,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-02 10:36:28,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:28,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:28,999 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:28,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:28,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:29,000 INFO L87 Difference]: Start difference. First operand 7213 states and 9486 transitions. Second operand 3 states. [2019-10-02 10:36:33,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:33,788 INFO L93 Difference]: Finished difference Result 21295 states and 28051 transitions. [2019-10-02 10:36:33,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:33,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2019-10-02 10:36:33,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:33,885 INFO L225 Difference]: With dead ends: 21295 [2019-10-02 10:36:33,885 INFO L226 Difference]: Without dead ends: 14144 [2019-10-02 10:36:33,916 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 [2019-10-02 10:36:33,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14144 states. [2019-10-02 10:36:34,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14144 to 14134. [2019-10-02 10:36:34,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14134 states. [2019-10-02 10:36:34,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14134 states to 14134 states and 18611 transitions. [2019-10-02 10:36:34,541 INFO L78 Accepts]: Start accepts. Automaton has 14134 states and 18611 transitions. Word has length 223 [2019-10-02 10:36:34,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:34,547 INFO L475 AbstractCegarLoop]: Abstraction has 14134 states and 18611 transitions. [2019-10-02 10:36:34,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:34,547 INFO L276 IsEmpty]: Start isEmpty. Operand 14134 states and 18611 transitions. [2019-10-02 10:36:34,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-02 10:36:34,553 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:34,553 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:34,553 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:34,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:34,554 INFO L82 PathProgramCache]: Analyzing trace with hash 1559219917, now seen corresponding path program 1 times [2019-10-02 10:36:34,554 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:34,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:34,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:34,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:34,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-02 10:36:35,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:35,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:35,162 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:35,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:35,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:35,162 INFO L87 Difference]: Start difference. First operand 14134 states and 18611 transitions. Second operand 3 states. [2019-10-02 10:36:37,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:37,764 INFO L93 Difference]: Finished difference Result 41034 states and 54020 transitions. [2019-10-02 10:36:37,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:37,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-10-02 10:36:37,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:37,923 INFO L225 Difference]: With dead ends: 41034 [2019-10-02 10:36:37,923 INFO L226 Difference]: Without dead ends: 26962 [2019-10-02 10:36:38,258 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 [2019-10-02 10:36:38,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26962 states. [2019-10-02 10:36:39,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26962 to 26934. [2019-10-02 10:36:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26934 states. [2019-10-02 10:36:39,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26934 states to 26934 states and 35443 transitions. [2019-10-02 10:36:39,234 INFO L78 Accepts]: Start accepts. Automaton has 26934 states and 35443 transitions. Word has length 228 [2019-10-02 10:36:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:39,235 INFO L475 AbstractCegarLoop]: Abstraction has 26934 states and 35443 transitions. [2019-10-02 10:36:39,235 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 26934 states and 35443 transitions. [2019-10-02 10:36:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-10-02 10:36:39,241 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:39,241 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:39,241 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:39,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:39,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1881174776, now seen corresponding path program 1 times [2019-10-02 10:36:39,242 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:39,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:39,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:39,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:39,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-02 10:36:39,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:39,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:39,845 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:39,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:39,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:39,846 INFO L87 Difference]: Start difference. First operand 26934 states and 35443 transitions. Second operand 3 states. [2019-10-02 10:36:43,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:43,643 INFO L93 Difference]: Finished difference Result 77346 states and 101472 transitions. [2019-10-02 10:36:43,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:43,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 227 [2019-10-02 10:36:43,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:43,869 INFO L225 Difference]: With dead ends: 77346 [2019-10-02 10:36:43,869 INFO L226 Difference]: Without dead ends: 50474 [2019-10-02 10:36:43,959 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 [2019-10-02 10:36:44,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50474 states. [2019-10-02 10:36:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50474 to 50446. [2019-10-02 10:36:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50446 states. [2019-10-02 10:36:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50446 states to 50446 states and 66047 transitions. [2019-10-02 10:36:45,834 INFO L78 Accepts]: Start accepts. Automaton has 50446 states and 66047 transitions. Word has length 227 [2019-10-02 10:36:45,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:45,835 INFO L475 AbstractCegarLoop]: Abstraction has 50446 states and 66047 transitions. [2019-10-02 10:36:45,835 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:45,835 INFO L276 IsEmpty]: Start isEmpty. Operand 50446 states and 66047 transitions. [2019-10-02 10:36:45,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-10-02 10:36:45,840 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:45,840 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:45,841 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:45,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:45,841 INFO L82 PathProgramCache]: Analyzing trace with hash 2052038676, now seen corresponding path program 1 times [2019-10-02 10:36:45,841 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:45,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:45,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:45,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:45,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:46,347 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-10-02 10:36:46,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:46,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:46,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:46,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:46,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:46,349 INFO L87 Difference]: Start difference. First operand 50446 states and 66047 transitions. Second operand 3 states. [2019-10-02 10:36:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:47,104 INFO L93 Difference]: Finished difference Result 56700 states and 72945 transitions. [2019-10-02 10:36:47,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:47,104 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2019-10-02 10:36:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:47,300 INFO L225 Difference]: With dead ends: 56700 [2019-10-02 10:36:47,301 INFO L226 Difference]: Without dead ends: 56696 [2019-10-02 10:36:47,325 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:47,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56696 states. [2019-10-02 10:36:50,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56696 to 56692. [2019-10-02 10:36:50,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56692 states. [2019-10-02 10:36:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56692 states to 56692 states and 72882 transitions. [2019-10-02 10:36:50,415 INFO L78 Accepts]: Start accepts. Automaton has 56692 states and 72882 transitions. Word has length 250 [2019-10-02 10:36:50,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:50,416 INFO L475 AbstractCegarLoop]: Abstraction has 56692 states and 72882 transitions. [2019-10-02 10:36:50,416 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 56692 states and 72882 transitions. [2019-10-02 10:36:50,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-02 10:36:50,421 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:50,422 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:50,422 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:50,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:50,423 INFO L82 PathProgramCache]: Analyzing trace with hash -812086886, now seen corresponding path program 1 times [2019-10-02 10:36:50,423 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:50,423 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:50,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:50,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:50,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:50,899 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-10-02 10:36:50,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:50,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:50,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:50,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:50,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:50,901 INFO L87 Difference]: Start difference. First operand 56692 states and 72882 transitions. Second operand 3 states. [2019-10-02 10:36:52,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:52,474 INFO L93 Difference]: Finished difference Result 137314 states and 176650 transitions. [2019-10-02 10:36:52,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:52,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2019-10-02 10:36:52,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:52,931 INFO L225 Difference]: With dead ends: 137314 [2019-10-02 10:36:52,932 INFO L226 Difference]: Without dead ends: 80684 [2019-10-02 10:36:53,062 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:53,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80684 states. [2019-10-02 10:36:55,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80684 to 80337. [2019-10-02 10:36:55,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80337 states. [2019-10-02 10:36:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80337 states to 80337 states and 103032 transitions. [2019-10-02 10:36:55,502 INFO L78 Accepts]: Start accepts. Automaton has 80337 states and 103032 transitions. Word has length 251 [2019-10-02 10:36:55,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:36:55,503 INFO L475 AbstractCegarLoop]: Abstraction has 80337 states and 103032 transitions. [2019-10-02 10:36:55,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:36:55,503 INFO L276 IsEmpty]: Start isEmpty. Operand 80337 states and 103032 transitions. [2019-10-02 10:36:55,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-02 10:36:55,506 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:36:55,506 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:36:55,507 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:36:55,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:36:55,507 INFO L82 PathProgramCache]: Analyzing trace with hash 594338775, now seen corresponding path program 1 times [2019-10-02 10:36:55,507 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:36:55,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:36:55,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:55,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:36:55,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:36:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:36:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-10-02 10:36:55,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:36:55,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:36:55,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:36:55,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:36:55,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:36:55,947 INFO L87 Difference]: Start difference. First operand 80337 states and 103032 transitions. Second operand 3 states. [2019-10-02 10:36:58,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:36:58,631 INFO L93 Difference]: Finished difference Result 80339 states and 103033 transitions. [2019-10-02 10:36:58,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:36:58,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-10-02 10:36:58,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:36:58,874 INFO L225 Difference]: With dead ends: 80339 [2019-10-02 10:36:58,874 INFO L226 Difference]: Without dead ends: 80319 [2019-10-02 10:36:58,900 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 [2019-10-02 10:36:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80319 states. [2019-10-02 10:37:00,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80319 to 80319. [2019-10-02 10:37:00,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80319 states. [2019-10-02 10:37:00,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80319 states to 80319 states and 102964 transitions. [2019-10-02 10:37:00,734 INFO L78 Accepts]: Start accepts. Automaton has 80319 states and 102964 transitions. Word has length 252 [2019-10-02 10:37:00,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:00,735 INFO L475 AbstractCegarLoop]: Abstraction has 80319 states and 102964 transitions. [2019-10-02 10:37:00,735 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:37:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 80319 states and 102964 transitions. [2019-10-02 10:37:00,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-10-02 10:37:00,738 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:00,738 INFO L411 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 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] [2019-10-02 10:37:00,738 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:00,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:00,739 INFO L82 PathProgramCache]: Analyzing trace with hash 175950732, now seen corresponding path program 1 times [2019-10-02 10:37:00,739 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:00,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:00,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:00,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:00,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2019-10-02 10:37:01,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:01,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:37:01,288 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:37:01,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:37:01,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:37:01,289 INFO L87 Difference]: Start difference. First operand 80319 states and 102964 transitions. Second operand 3 states. [2019-10-02 10:37:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:06,017 INFO L93 Difference]: Finished difference Result 121361 states and 155475 transitions. [2019-10-02 10:37:06,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:37:06,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2019-10-02 10:37:06,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:06,140 INFO L225 Difference]: With dead ends: 121361 [2019-10-02 10:37:06,140 INFO L226 Difference]: Without dead ends: 41088 [2019-10-02 10:37:06,271 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 [2019-10-02 10:37:06,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41088 states. [2019-10-02 10:37:06,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41088 to 40459. [2019-10-02 10:37:06,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40459 states. [2019-10-02 10:37:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40459 states to 40459 states and 51890 transitions. [2019-10-02 10:37:06,998 INFO L78 Accepts]: Start accepts. Automaton has 40459 states and 51890 transitions. Word has length 340 [2019-10-02 10:37:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:06,999 INFO L475 AbstractCegarLoop]: Abstraction has 40459 states and 51890 transitions. [2019-10-02 10:37:07,000 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:37:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 40459 states and 51890 transitions. [2019-10-02 10:37:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-10-02 10:37:07,012 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:07,012 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:07,012 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:07,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:07,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1520863928, now seen corresponding path program 1 times [2019-10-02 10:37:07,013 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:07,013 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:07,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:07,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:07,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:09,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2019-10-02 10:37:09,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:09,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:37:09,715 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:37:09,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:37:09,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:37:09,717 INFO L87 Difference]: Start difference. First operand 40459 states and 51890 transitions. Second operand 3 states. [2019-10-02 10:37:13,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:13,753 INFO L93 Difference]: Finished difference Result 80799 states and 103693 transitions. [2019-10-02 10:37:13,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:37:13,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 376 [2019-10-02 10:37:13,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:13,859 INFO L225 Difference]: With dead ends: 80799 [2019-10-02 10:37:13,859 INFO L226 Difference]: Without dead ends: 40462 [2019-10-02 10:37:13,917 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 [2019-10-02 10:37:13,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40462 states. [2019-10-02 10:37:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40462 to 39592. [2019-10-02 10:37:14,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39592 states. [2019-10-02 10:37:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39592 states to 39592 states and 50267 transitions. [2019-10-02 10:37:14,625 INFO L78 Accepts]: Start accepts. Automaton has 39592 states and 50267 transitions. Word has length 376 [2019-10-02 10:37:14,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:14,626 INFO L475 AbstractCegarLoop]: Abstraction has 39592 states and 50267 transitions. [2019-10-02 10:37:14,626 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:37:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 39592 states and 50267 transitions. [2019-10-02 10:37:14,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-10-02 10:37:14,650 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:14,651 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 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] [2019-10-02 10:37:14,651 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:14,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:14,652 INFO L82 PathProgramCache]: Analyzing trace with hash -726591747, now seen corresponding path program 1 times [2019-10-02 10:37:14,652 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:14,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:14,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:14,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:14,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1553 trivial. 0 not checked. [2019-10-02 10:37:15,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:15,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:37:15,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:37:15,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:37:15,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:37:15,474 INFO L87 Difference]: Start difference. First operand 39592 states and 50267 transitions. Second operand 3 states. [2019-10-02 10:37:19,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:19,234 INFO L93 Difference]: Finished difference Result 39602 states and 50275 transitions. [2019-10-02 10:37:19,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:37:19,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2019-10-02 10:37:19,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:19,308 INFO L225 Difference]: With dead ends: 39602 [2019-10-02 10:37:19,309 INFO L226 Difference]: Without dead ends: 39599 [2019-10-02 10:37:19,325 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 [2019-10-02 10:37:19,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39599 states. [2019-10-02 10:37:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39599 to 39591. [2019-10-02 10:37:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39591 states. [2019-10-02 10:37:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39591 states to 39591 states and 50210 transitions. [2019-10-02 10:37:20,023 INFO L78 Accepts]: Start accepts. Automaton has 39591 states and 50210 transitions. Word has length 398 [2019-10-02 10:37:20,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:20,023 INFO L475 AbstractCegarLoop]: Abstraction has 39591 states and 50210 transitions. [2019-10-02 10:37:20,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:37:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 39591 states and 50210 transitions. [2019-10-02 10:37:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2019-10-02 10:37:20,083 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:20,084 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:20,084 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:20,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:20,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1026381115, now seen corresponding path program 1 times [2019-10-02 10:37:20,084 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:20,085 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:20,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:20,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:20,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1566 trivial. 0 not checked. [2019-10-02 10:37:21,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:21,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:37:21,073 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:37:21,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:37:21,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:37:21,074 INFO L87 Difference]: Start difference. First operand 39591 states and 50210 transitions. Second operand 6 states. [2019-10-02 10:37:25,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:25,405 INFO L93 Difference]: Finished difference Result 79147 states and 100361 transitions. [2019-10-02 10:37:25,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:37:25,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 449 [2019-10-02 10:37:25,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:25,509 INFO L225 Difference]: With dead ends: 79147 [2019-10-02 10:37:25,510 INFO L226 Difference]: Without dead ends: 39638 [2019-10-02 10:37:25,559 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 10:37:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39638 states. [2019-10-02 10:37:26,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39638 to 39617. [2019-10-02 10:37:26,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39617 states. [2019-10-02 10:37:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39617 states to 39617 states and 50228 transitions. [2019-10-02 10:37:26,259 INFO L78 Accepts]: Start accepts. Automaton has 39617 states and 50228 transitions. Word has length 449 [2019-10-02 10:37:26,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:26,260 INFO L475 AbstractCegarLoop]: Abstraction has 39617 states and 50228 transitions. [2019-10-02 10:37:26,260 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:37:26,260 INFO L276 IsEmpty]: Start isEmpty. Operand 39617 states and 50228 transitions. [2019-10-02 10:37:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2019-10-02 10:37:26,328 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:26,329 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:26,329 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:26,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:26,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1047639687, now seen corresponding path program 1 times [2019-10-02 10:37:26,330 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:26,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:26,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:26,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:26,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:27,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2019-10-02 10:37:27,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:27,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:37:27,271 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:37:27,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:37:27,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:37:27,272 INFO L87 Difference]: Start difference. First operand 39617 states and 50228 transitions. Second operand 5 states. [2019-10-02 10:37:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:28,425 INFO L93 Difference]: Finished difference Result 79304 states and 100543 transitions. [2019-10-02 10:37:28,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 10:37:28,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 449 [2019-10-02 10:37:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:28,504 INFO L225 Difference]: With dead ends: 79304 [2019-10-02 10:37:28,505 INFO L226 Difference]: Without dead ends: 39809 [2019-10-02 10:37:28,552 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:37:28,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39809 states. [2019-10-02 10:37:29,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39809 to 39809. [2019-10-02 10:37:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39809 states. [2019-10-02 10:37:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39809 states to 39809 states and 50420 transitions. [2019-10-02 10:37:29,348 INFO L78 Accepts]: Start accepts. Automaton has 39809 states and 50420 transitions. Word has length 449 [2019-10-02 10:37:29,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:29,349 INFO L475 AbstractCegarLoop]: Abstraction has 39809 states and 50420 transitions. [2019-10-02 10:37:29,349 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:37:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 39809 states and 50420 transitions. [2019-10-02 10:37:29,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-10-02 10:37:29,391 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:29,392 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:29,392 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:29,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:29,392 INFO L82 PathProgramCache]: Analyzing trace with hash 822289859, now seen corresponding path program 1 times [2019-10-02 10:37:29,393 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:29,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:29,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:29,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:29,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2019-10-02 10:37:30,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:30,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:37:30,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:37:30,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:37:30,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:37:30,004 INFO L87 Difference]: Start difference. First operand 39809 states and 50420 transitions. Second operand 3 states. [2019-10-02 10:37:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:30,837 INFO L93 Difference]: Finished difference Result 79720 states and 101039 transitions. [2019-10-02 10:37:30,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:37:30,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 460 [2019-10-02 10:37:30,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:30,913 INFO L225 Difference]: With dead ends: 79720 [2019-10-02 10:37:30,913 INFO L226 Difference]: Without dead ends: 40033 [2019-10-02 10:37:30,961 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 [2019-10-02 10:37:30,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40033 states. [2019-10-02 10:37:31,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40033 to 40001. [2019-10-02 10:37:31,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40001 states. [2019-10-02 10:37:31,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40001 states to 40001 states and 50676 transitions. [2019-10-02 10:37:31,733 INFO L78 Accepts]: Start accepts. Automaton has 40001 states and 50676 transitions. Word has length 460 [2019-10-02 10:37:31,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:31,734 INFO L475 AbstractCegarLoop]: Abstraction has 40001 states and 50676 transitions. [2019-10-02 10:37:31,734 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:37:31,734 INFO L276 IsEmpty]: Start isEmpty. Operand 40001 states and 50676 transitions. [2019-10-02 10:37:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-10-02 10:37:31,777 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:31,777 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:31,778 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:31,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:31,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1187985467, now seen corresponding path program 1 times [2019-10-02 10:37:31,778 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:31,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:31,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:31,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:31,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2019-10-02 10:37:32,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:32,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 10:37:32,647 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:37:32,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:37:32,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:37:32,648 INFO L87 Difference]: Start difference. First operand 40001 states and 50676 transitions. Second operand 5 states. [2019-10-02 10:37:33,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:33,925 INFO L93 Difference]: Finished difference Result 79396 states and 100539 transitions. [2019-10-02 10:37:33,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 10:37:33,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 464 [2019-10-02 10:37:33,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:34,012 INFO L225 Difference]: With dead ends: 79396 [2019-10-02 10:37:34,013 INFO L226 Difference]: Without dead ends: 39517 [2019-10-02 10:37:34,066 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:37:34,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39517 states. [2019-10-02 10:37:34,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39517 to 39197. [2019-10-02 10:37:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39197 states. [2019-10-02 10:37:34,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39197 states to 39197 states and 49552 transitions. [2019-10-02 10:37:34,800 INFO L78 Accepts]: Start accepts. Automaton has 39197 states and 49552 transitions. Word has length 464 [2019-10-02 10:37:34,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:34,801 INFO L475 AbstractCegarLoop]: Abstraction has 39197 states and 49552 transitions. [2019-10-02 10:37:34,801 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:37:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 39197 states and 49552 transitions. [2019-10-02 10:37:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-10-02 10:37:34,859 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:34,859 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:34,860 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:34,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:34,860 INFO L82 PathProgramCache]: Analyzing trace with hash 814855833, now seen corresponding path program 1 times [2019-10-02 10:37:34,860 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:34,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:34,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:34,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:34,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2019-10-02 10:37:35,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:35,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:37:35,711 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:37:35,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:37:35,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:37:35,712 INFO L87 Difference]: Start difference. First operand 39197 states and 49552 transitions. Second operand 6 states. [2019-10-02 10:37:40,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:40,671 INFO L93 Difference]: Finished difference Result 109325 states and 138146 transitions. [2019-10-02 10:37:40,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 10:37:40,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 535 [2019-10-02 10:37:40,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:40,845 INFO L225 Difference]: With dead ends: 109325 [2019-10-02 10:37:40,846 INFO L226 Difference]: Without dead ends: 70250 [2019-10-02 10:37:40,898 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:37:40,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70250 states. [2019-10-02 10:37:42,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70250 to 70194. [2019-10-02 10:37:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70194 states. [2019-10-02 10:37:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70194 states to 70194 states and 88660 transitions. [2019-10-02 10:37:42,264 INFO L78 Accepts]: Start accepts. Automaton has 70194 states and 88660 transitions. Word has length 535 [2019-10-02 10:37:42,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:42,265 INFO L475 AbstractCegarLoop]: Abstraction has 70194 states and 88660 transitions. [2019-10-02 10:37:42,265 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:37:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 70194 states and 88660 transitions. [2019-10-02 10:37:42,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-10-02 10:37:42,344 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:42,345 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:42,345 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:42,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:42,346 INFO L82 PathProgramCache]: Analyzing trace with hash -206212521, now seen corresponding path program 1 times [2019-10-02 10:37:42,346 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:42,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:42,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:42,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:42,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2019-10-02 10:37:43,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:37:43,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:37:43,775 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:37:43,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:37:43,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:37:43,778 INFO L87 Difference]: Start difference. First operand 70194 states and 88660 transitions. Second operand 6 states. [2019-10-02 10:37:45,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:45,072 INFO L93 Difference]: Finished difference Result 142026 states and 180207 transitions. [2019-10-02 10:37:45,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:37:45,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 535 [2019-10-02 10:37:45,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:45,241 INFO L225 Difference]: With dead ends: 142026 [2019-10-02 10:37:45,241 INFO L226 Difference]: Without dead ends: 71954 [2019-10-02 10:37:45,335 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 10:37:45,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71954 states. [2019-10-02 10:37:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71954 to 71186. [2019-10-02 10:37:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71186 states. [2019-10-02 10:37:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71186 states to 71186 states and 90196 transitions. [2019-10-02 10:37:47,328 INFO L78 Accepts]: Start accepts. Automaton has 71186 states and 90196 transitions. Word has length 535 [2019-10-02 10:37:47,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:37:47,328 INFO L475 AbstractCegarLoop]: Abstraction has 71186 states and 90196 transitions. [2019-10-02 10:37:47,328 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:37:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 71186 states and 90196 transitions. [2019-10-02 10:37:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-10-02 10:37:47,397 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:37:47,397 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:37:47,397 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:37:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:37:47,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1755362137, now seen corresponding path program 1 times [2019-10-02 10:37:47,398 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:37:47,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:37:47,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:47,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:47,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:37:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2019-10-02 10:37:48,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:37:48,175 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:37:48,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:37:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:37:51,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 9035 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-02 10:37:51,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:37:52,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2019-10-02 10:37:52,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:37:52,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-10-02 10:37:52,574 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 10:37:52,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 10:37:52,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:37:52,578 INFO L87 Difference]: Start difference. First operand 71186 states and 90196 transitions. Second operand 5 states. [2019-10-02 10:37:57,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:37:57,989 INFO L93 Difference]: Finished difference Result 142442 states and 180687 transitions. [2019-10-02 10:37:57,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-02 10:37:57,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 535 [2019-10-02 10:37:57,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:37:58,521 INFO L225 Difference]: With dead ends: 142442 [2019-10-02 10:37:58,521 INFO L226 Difference]: Without dead ends: 71378 [2019-10-02 10:37:58,695 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 537 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-02 10:37:58,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71378 states. [2019-10-02 10:38:03,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71378 to 71218. [2019-10-02 10:38:03,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71218 states. [2019-10-02 10:38:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71218 states to 71218 states and 90228 transitions. [2019-10-02 10:38:04,005 INFO L78 Accepts]: Start accepts. Automaton has 71218 states and 90228 transitions. Word has length 535 [2019-10-02 10:38:04,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:38:04,006 INFO L475 AbstractCegarLoop]: Abstraction has 71218 states and 90228 transitions. [2019-10-02 10:38:04,007 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 10:38:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 71218 states and 90228 transitions. [2019-10-02 10:38:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-10-02 10:38:04,266 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:38:04,266 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:38:04,266 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:38:04,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:38:04,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1624663903, now seen corresponding path program 1 times [2019-10-02 10:38:04,267 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:38:04,267 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:38:04,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:04,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:04,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2019-10-02 10:38:05,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:38:05,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:38:05,748 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:38:05,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:38:05,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:38:05,748 INFO L87 Difference]: Start difference. First operand 71218 states and 90228 transitions. Second operand 3 states. [2019-10-02 10:38:07,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:38:07,711 INFO L93 Difference]: Finished difference Result 142314 states and 180591 transitions. [2019-10-02 10:38:07,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:38:07,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 545 [2019-10-02 10:38:07,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:38:07,956 INFO L225 Difference]: With dead ends: 142314 [2019-10-02 10:38:07,957 INFO L226 Difference]: Without dead ends: 71218 [2019-10-02 10:38:08,110 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:38:08,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71218 states. [2019-10-02 10:38:12,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71218 to 71218. [2019-10-02 10:38:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71218 states. [2019-10-02 10:38:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71218 states to 71218 states and 90164 transitions. [2019-10-02 10:38:12,499 INFO L78 Accepts]: Start accepts. Automaton has 71218 states and 90164 transitions. Word has length 545 [2019-10-02 10:38:12,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:38:12,502 INFO L475 AbstractCegarLoop]: Abstraction has 71218 states and 90164 transitions. [2019-10-02 10:38:12,502 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:38:12,502 INFO L276 IsEmpty]: Start isEmpty. Operand 71218 states and 90164 transitions. [2019-10-02 10:38:12,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-10-02 10:38:12,596 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:38:12,597 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:38:12,597 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:38:12,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:38:12,597 INFO L82 PathProgramCache]: Analyzing trace with hash -670723745, now seen corresponding path program 1 times [2019-10-02 10:38:12,597 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:38:12,598 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:38:12,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:12,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:12,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2019-10-02 10:38:14,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:38:14,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:38:14,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:38:14,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:38:14,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:38:14,824 INFO L87 Difference]: Start difference. First operand 71218 states and 90164 transitions. Second operand 3 states. [2019-10-02 10:38:16,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:38:16,640 INFO L93 Difference]: Finished difference Result 143370 states and 182127 transitions. [2019-10-02 10:38:16,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:38:16,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 545 [2019-10-02 10:38:16,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:38:16,877 INFO L225 Difference]: With dead ends: 143370 [2019-10-02 10:38:16,878 INFO L226 Difference]: Without dead ends: 72274 [2019-10-02 10:38:17,001 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:38:17,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72274 states. [2019-10-02 10:38:18,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72274 to 72082. [2019-10-02 10:38:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72082 states. [2019-10-02 10:38:18,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72082 states to 72082 states and 91380 transitions. [2019-10-02 10:38:19,005 INFO L78 Accepts]: Start accepts. Automaton has 72082 states and 91380 transitions. Word has length 545 [2019-10-02 10:38:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:38:19,005 INFO L475 AbstractCegarLoop]: Abstraction has 72082 states and 91380 transitions. [2019-10-02 10:38:19,006 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:38:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 72082 states and 91380 transitions. [2019-10-02 10:38:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2019-10-02 10:38:19,087 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:38:19,088 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:38:19,088 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:38:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:38:19,089 INFO L82 PathProgramCache]: Analyzing trace with hash -521051880, now seen corresponding path program 1 times [2019-10-02 10:38:19,089 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:38:19,089 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:38:19,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:19,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:19,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2019-10-02 10:38:21,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:38:21,356 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:38:22,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:25,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 9124 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-02 10:38:25,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:38:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2019-10-02 10:38:25,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:38:25,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-10-02 10:38:25,455 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 10:38:25,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 10:38:25,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:38:25,456 INFO L87 Difference]: Start difference. First operand 72082 states and 91380 transitions. Second operand 10 states. [2019-10-02 10:38:27,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:38:27,483 INFO L93 Difference]: Finished difference Result 144136 states and 182843 transitions. [2019-10-02 10:38:27,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 10:38:27,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 551 [2019-10-02 10:38:27,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:38:27,707 INFO L225 Difference]: With dead ends: 144136 [2019-10-02 10:38:27,707 INFO L226 Difference]: Without dead ends: 72090 [2019-10-02 10:38:27,832 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-10-02 10:38:27,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72090 states. [2019-10-02 10:38:29,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72090 to 72090. [2019-10-02 10:38:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72090 states. [2019-10-02 10:38:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72090 states to 72090 states and 91341 transitions. [2019-10-02 10:38:29,515 INFO L78 Accepts]: Start accepts. Automaton has 72090 states and 91341 transitions. Word has length 551 [2019-10-02 10:38:29,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:38:29,516 INFO L475 AbstractCegarLoop]: Abstraction has 72090 states and 91341 transitions. [2019-10-02 10:38:29,516 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 10:38:29,516 INFO L276 IsEmpty]: Start isEmpty. Operand 72090 states and 91341 transitions. [2019-10-02 10:38:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2019-10-02 10:38:29,590 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:38:29,590 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 6, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:38:29,590 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:38:29,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:38:29,591 INFO L82 PathProgramCache]: Analyzing trace with hash -2090832418, now seen corresponding path program 1 times [2019-10-02 10:38:29,591 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:38:29,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:38:29,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:29,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:29,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 18 proven. 46 refuted. 0 times theorem prover too weak. 1613 trivial. 0 not checked. [2019-10-02 10:38:33,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:38:33,014 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:38:33,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:39,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 9161 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-02 10:38:39,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:38:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1662 trivial. 0 not checked. [2019-10-02 10:38:39,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:38:39,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-10-02 10:38:39,480 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 10:38:39,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 10:38:39,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:38:39,481 INFO L87 Difference]: Start difference. First operand 72090 states and 91341 transitions. Second operand 10 states. [2019-10-02 10:38:41,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:38:41,054 INFO L93 Difference]: Finished difference Result 144143 states and 182924 transitions. [2019-10-02 10:38:41,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 10:38:41,054 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 557 [2019-10-02 10:38:41,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:38:41,225 INFO L225 Difference]: With dead ends: 144143 [2019-10-02 10:38:41,225 INFO L226 Difference]: Without dead ends: 72088 [2019-10-02 10:38:41,329 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-10-02 10:38:41,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72088 states. [2019-10-02 10:38:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72088 to 72088. [2019-10-02 10:38:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72088 states. [2019-10-02 10:38:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72088 states to 72088 states and 91274 transitions. [2019-10-02 10:38:42,998 INFO L78 Accepts]: Start accepts. Automaton has 72088 states and 91274 transitions. Word has length 557 [2019-10-02 10:38:42,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:38:42,999 INFO L475 AbstractCegarLoop]: Abstraction has 72088 states and 91274 transitions. [2019-10-02 10:38:42,999 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 10:38:42,999 INFO L276 IsEmpty]: Start isEmpty. Operand 72088 states and 91274 transitions. [2019-10-02 10:38:43,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2019-10-02 10:38:43,073 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:38:43,073 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:38:43,074 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:38:43,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:38:43,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1275756984, now seen corresponding path program 1 times [2019-10-02 10:38:43,074 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:38:43,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:38:43,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:43,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:43,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2019-10-02 10:38:46,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:38:46,197 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:38:46,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:49,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 9180 conjuncts, 14 conjunts are in the unsatisfiable core [2019-10-02 10:38:49,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:38:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1715 trivial. 0 not checked. [2019-10-02 10:38:50,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:38:50,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-10-02 10:38:50,208 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 10:38:50,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 10:38:50,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 10:38:50,209 INFO L87 Difference]: Start difference. First operand 72088 states and 91274 transitions. Second operand 11 states. [2019-10-02 10:38:51,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:38:51,769 INFO L93 Difference]: Finished difference Result 145490 states and 184788 transitions. [2019-10-02 10:38:51,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 10:38:51,770 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 560 [2019-10-02 10:38:51,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:38:51,969 INFO L225 Difference]: With dead ends: 145490 [2019-10-02 10:38:51,969 INFO L226 Difference]: Without dead ends: 73435 [2019-10-02 10:38:52,070 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 557 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-10-02 10:38:52,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73435 states. [2019-10-02 10:38:53,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73435 to 72091. [2019-10-02 10:38:53,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72091 states. [2019-10-02 10:38:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72091 states to 72091 states and 91214 transitions. [2019-10-02 10:38:53,950 INFO L78 Accepts]: Start accepts. Automaton has 72091 states and 91214 transitions. Word has length 560 [2019-10-02 10:38:53,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:38:53,950 INFO L475 AbstractCegarLoop]: Abstraction has 72091 states and 91214 transitions. [2019-10-02 10:38:53,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 10:38:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 72091 states and 91214 transitions. [2019-10-02 10:38:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2019-10-02 10:38:54,077 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:38:54,077 INFO L411 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 15, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:38:54,078 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:38:54,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:38:54,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1865220062, now seen corresponding path program 1 times [2019-10-02 10:38:54,078 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:38:54,078 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:38:54,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:54,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:38:54,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:38:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:38:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 2 proven. 114 refuted. 0 times theorem prover too weak. 1732 trivial. 0 not checked. [2019-10-02 10:38:56,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:38:56,969 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:38:57,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:39:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-10-02 10:39:12,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:39:12,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-10-02 10:39:12,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 10:39:12,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 10:39:12,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:39:12,017 INFO L87 Difference]: Start difference. First operand 72091 states and 91214 transitions. Second operand 8 states. [2019-10-02 10:39:13,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:39:13,545 INFO L93 Difference]: Finished difference Result 144152 states and 182396 transitions. [2019-10-02 10:39:13,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 10:39:13,546 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 566 [2019-10-02 10:39:13,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:39:13,706 INFO L225 Difference]: With dead ends: 144152 [2019-10-02 10:39:13,706 INFO L226 Difference]: Without dead ends: 72094 [2019-10-02 10:39:13,793 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:39:13,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72094 states. [2019-10-02 10:39:15,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72094 to 72092. [2019-10-02 10:39:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72092 states. [2019-10-02 10:39:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72092 states to 72092 states and 91216 transitions. [2019-10-02 10:39:15,818 INFO L78 Accepts]: Start accepts. Automaton has 72092 states and 91216 transitions. Word has length 566 [2019-10-02 10:39:15,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:39:15,819 INFO L475 AbstractCegarLoop]: Abstraction has 72092 states and 91216 transitions. [2019-10-02 10:39:15,819 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 10:39:15,819 INFO L276 IsEmpty]: Start isEmpty. Operand 72092 states and 91216 transitions. [2019-10-02 10:39:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2019-10-02 10:39:15,894 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:39:15,895 INFO L411 BasicCegarLoop]: trace histogram [21, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:39:15,895 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:39:15,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:39:15,895 INFO L82 PathProgramCache]: Analyzing trace with hash 526156346, now seen corresponding path program 2 times [2019-10-02 10:39:15,896 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:39:15,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:39:15,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:39:15,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:39:15,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:39:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:39:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 2 proven. 158 refuted. 0 times theorem prover too weak. 1847 trivial. 0 not checked. [2019-10-02 10:39:18,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:39:18,723 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:39:19,148 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 10:39:45,395 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 10:39:45,396 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 10:39:46,194 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:39:46,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-10-02 10:39:46,195 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-02 10:39:46,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-02 10:39:46,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-02 10:39:46,196 INFO L87 Difference]: Start difference. First operand 72092 states and 91216 transitions. Second operand 9 states. [2019-10-02 10:39:47,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:39:47,828 INFO L93 Difference]: Finished difference Result 144156 states and 182402 transitions. [2019-10-02 10:39:47,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-02 10:39:47,828 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 572 [2019-10-02 10:39:47,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:39:47,984 INFO L225 Difference]: With dead ends: 144156 [2019-10-02 10:39:47,984 INFO L226 Difference]: Without dead ends: 72097 [2019-10-02 10:39:48,059 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-02 10:39:48,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72097 states. [2019-10-02 10:39:49,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72097 to 72093. [2019-10-02 10:39:49,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72093 states. [2019-10-02 10:39:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72093 states to 72093 states and 91218 transitions. [2019-10-02 10:39:50,095 INFO L78 Accepts]: Start accepts. Automaton has 72093 states and 91218 transitions. Word has length 572 [2019-10-02 10:39:50,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:39:50,096 INFO L475 AbstractCegarLoop]: Abstraction has 72093 states and 91218 transitions. [2019-10-02 10:39:50,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-02 10:39:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 72093 states and 91218 transitions. [2019-10-02 10:39:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2019-10-02 10:39:50,161 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:39:50,162 INFO L411 BasicCegarLoop]: trace histogram [27, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:39:50,162 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:39:50,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:39:50,162 INFO L82 PathProgramCache]: Analyzing trace with hash 130757214, now seen corresponding path program 3 times [2019-10-02 10:39:50,163 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:39:50,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:39:50,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:39:50,172 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 10:39:50,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:39:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:39:54,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 1987 trivial. 0 not checked. [2019-10-02 10:39:54,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:39:54,938 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:39:55,348 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-10-02 10:45:01,080 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2019-10-02 10:45:01,080 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 10:45:02,428 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:45:02,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-10-02 10:45:02,429 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 10:45:02,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 10:45:02,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:45:02,429 INFO L87 Difference]: Start difference. First operand 72093 states and 91218 transitions. Second operand 10 states. [2019-10-02 10:45:03,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:45:03,691 INFO L93 Difference]: Finished difference Result 144160 states and 182408 transitions. [2019-10-02 10:45:03,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-02 10:45:03,692 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 578 [2019-10-02 10:45:03,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:45:03,860 INFO L225 Difference]: With dead ends: 144160 [2019-10-02 10:45:03,860 INFO L226 Difference]: Without dead ends: 72100 [2019-10-02 10:45:03,957 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-10-02 10:45:04,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72100 states. [2019-10-02 10:45:05,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72100 to 72094. [2019-10-02 10:45:05,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72094 states. [2019-10-02 10:45:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72094 states to 72094 states and 91220 transitions. [2019-10-02 10:45:05,819 INFO L78 Accepts]: Start accepts. Automaton has 72094 states and 91220 transitions. Word has length 578 [2019-10-02 10:45:05,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:45:05,819 INFO L475 AbstractCegarLoop]: Abstraction has 72094 states and 91220 transitions. [2019-10-02 10:45:05,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 10:45:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 72094 states and 91220 transitions. [2019-10-02 10:45:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2019-10-02 10:45:05,893 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:45:05,894 INFO L411 BasicCegarLoop]: trace histogram [33, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:45:05,894 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:45:05,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:45:05,894 INFO L82 PathProgramCache]: Analyzing trace with hash -488581958, now seen corresponding path program 4 times [2019-10-02 10:45:05,894 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:45:05,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:45:05,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:45:05,901 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 10:45:05,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:45:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:45:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2433 backedges. 2 proven. 279 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2019-10-02 10:45:09,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:45:09,334 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:45:09,729 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-10-02 10:45:26,873 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-10-02 10:45:26,873 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-10-02 10:45:27,602 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-10-02 10:45:27,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-10-02 10:45:27,603 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 10:45:27,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 10:45:27,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-02 10:45:27,603 INFO L87 Difference]: Start difference. First operand 72094 states and 91220 transitions. Second operand 11 states. [2019-10-02 10:45:28,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:45:28,918 INFO L93 Difference]: Finished difference Result 144164 states and 182414 transitions. [2019-10-02 10:45:28,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-02 10:45:28,919 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 584 [2019-10-02 10:45:28,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:45:29,091 INFO L225 Difference]: With dead ends: 144164 [2019-10-02 10:45:29,091 INFO L226 Difference]: Without dead ends: 72103 [2019-10-02 10:45:29,190 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 10:45:29,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72103 states. [2019-10-02 10:45:30,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72103 to 72095. [2019-10-02 10:45:30,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72095 states. [2019-10-02 10:45:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72095 states to 72095 states and 91222 transitions. [2019-10-02 10:45:30,824 INFO L78 Accepts]: Start accepts. Automaton has 72095 states and 91222 transitions. Word has length 584 [2019-10-02 10:45:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:45:30,825 INFO L475 AbstractCegarLoop]: Abstraction has 72095 states and 91222 transitions. [2019-10-02 10:45:30,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 10:45:30,825 INFO L276 IsEmpty]: Start isEmpty. Operand 72095 states and 91222 transitions. [2019-10-02 10:45:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2019-10-02 10:45:30,907 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:45:30,908 INFO L411 BasicCegarLoop]: trace histogram [39, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:45:30,908 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:45:30,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:45:30,908 INFO L82 PathProgramCache]: Analyzing trace with hash 92652766, now seen corresponding path program 5 times [2019-10-02 10:45:30,908 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:45:30,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:45:30,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:45:30,918 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 10:45:30,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:45:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:45:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 2 proven. 356 refuted. 0 times theorem prover too weak. 2342 trivial. 0 not checked. [2019-10-02 10:45:34,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:45:34,878 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:45:35,293 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-10-02 10:45:35,636 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-10-02 10:45:35,636 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 10:45:35,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-02 10:45:35,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:45:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 1291 proven. 21 refuted. 0 times theorem prover too weak. 1388 trivial. 0 not checked. [2019-10-02 10:45:36,092 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 10:45:36,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2019-10-02 10:45:36,095 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 10:45:36,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 10:45:36,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2019-10-02 10:45:36,096 INFO L87 Difference]: Start difference. First operand 72095 states and 91222 transitions. Second operand 17 states. [2019-10-02 10:45:38,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:45:38,174 INFO L93 Difference]: Finished difference Result 144171 states and 182425 transitions. [2019-10-02 10:45:38,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 10:45:38,175 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 590 [2019-10-02 10:45:38,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:45:38,328 INFO L225 Difference]: With dead ends: 144171 [2019-10-02 10:45:38,328 INFO L226 Difference]: Without dead ends: 72104 [2019-10-02 10:45:38,408 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 584 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2019-10-02 10:45:38,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72104 states. [2019-10-02 10:45:39,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72104 to 72096. [2019-10-02 10:45:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72096 states. [2019-10-02 10:45:40,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72096 states to 72096 states and 91223 transitions. [2019-10-02 10:45:40,413 INFO L78 Accepts]: Start accepts. Automaton has 72096 states and 91223 transitions. Word has length 590 [2019-10-02 10:45:40,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:45:40,413 INFO L475 AbstractCegarLoop]: Abstraction has 72096 states and 91223 transitions. [2019-10-02 10:45:40,413 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 10:45:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 72096 states and 91223 transitions. [2019-10-02 10:45:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2019-10-02 10:45:40,487 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:45:40,487 INFO L411 BasicCegarLoop]: trace histogram [51, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:45:40,487 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:45:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:45:40,488 INFO L82 PathProgramCache]: Analyzing trace with hash 396923642, now seen corresponding path program 6 times [2019-10-02 10:45:40,488 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:45:40,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:45:40,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:45:40,495 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 10:45:40,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:45:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:45:41,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3342 backedges. 179 proven. 315 refuted. 0 times theorem prover too weak. 2848 trivial. 0 not checked. [2019-10-02 10:45:41,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:45:41,677 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:45:42,108 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-10-02 10:48:24,947 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2019-10-02 10:48:24,947 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 10:48:25,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 7981 conjuncts, 21 conjunts are in the unsatisfiable core [2019-10-02 10:48:25,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 10:48:25,916 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 10:48:28,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3342 backedges. 1592 proven. 1 refuted. 0 times theorem prover too weak. 1749 trivial. 0 not checked. [2019-10-02 10:48:29,068 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 10:48:29,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 17 [2019-10-02 10:48:29,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-02 10:48:29,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-02 10:48:29,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2019-10-02 10:48:29,070 INFO L87 Difference]: Start difference. First operand 72096 states and 91223 transitions. Second operand 17 states. [2019-10-02 10:48:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:48:30,534 INFO L93 Difference]: Finished difference Result 144166 states and 182413 transitions. [2019-10-02 10:48:30,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 10:48:30,534 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 602 [2019-10-02 10:48:30,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:48:30,712 INFO L225 Difference]: With dead ends: 144166 [2019-10-02 10:48:30,713 INFO L226 Difference]: Without dead ends: 72102 [2019-10-02 10:48:30,814 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 598 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2019-10-02 10:48:30,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72102 states. [2019-10-02 10:48:32,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72102 to 72096. [2019-10-02 10:48:32,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72096 states. [2019-10-02 10:48:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72096 states to 72096 states and 91221 transitions. [2019-10-02 10:48:32,452 INFO L78 Accepts]: Start accepts. Automaton has 72096 states and 91221 transitions. Word has length 602 [2019-10-02 10:48:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:48:32,452 INFO L475 AbstractCegarLoop]: Abstraction has 72096 states and 91221 transitions. [2019-10-02 10:48:32,452 INFO L476 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-10-02 10:48:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 72096 states and 91221 transitions. [2019-10-02 10:48:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-10-02 10:48:32,527 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:48:32,527 INFO L411 BasicCegarLoop]: trace histogram [48, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:48:32,528 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:48:32,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:48:32,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1048000030, now seen corresponding path program 7 times [2019-10-02 10:48:32,528 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:48:32,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:48:32,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:48:32,538 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 10:48:32,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:48:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:48:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3168 backedges. 2 proven. 468 refuted. 0 times theorem prover too weak. 2698 trivial. 0 not checked. [2019-10-02 10:48:35,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 10:48:35,782 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 10:48:36,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY