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 0.1.24-112bae1 [2019-09-08 17:34:16,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 17:34:16,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 17:34:16,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 17:34:16,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 17:34:16,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 17:34:16,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 17:34:16,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 17:34:16,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 17:34:16,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 17:34:16,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 17:34:16,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 17:34:16,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 17:34:16,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 17:34:16,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 17:34:16,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 17:34:16,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 17:34:16,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 17:34:16,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 17:34:16,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 17:34:16,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 17:34:16,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 17:34:16,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 17:34:16,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 17:34:16,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 17:34:16,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 17:34:16,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 17:34:16,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 17:34:16,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 17:34:16,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 17:34:16,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 17:34:16,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 17:34:16,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 17:34:16,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 17:34:16,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 17:34:16,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 17:34:16,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 17:34:16,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 17:34:16,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 17:34:16,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 17:34:16,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 17:34:16,877 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 [2019-09-08 17:34:16,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 17:34:16,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 17:34:16,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 17:34:16,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 17:34:16,896 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 17:34:16,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 17:34:16,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 17:34:16,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 17:34:16,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 17:34:16,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 17:34:16,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 17:34:16,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 17:34:16,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 17:34:16,899 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 17:34:16,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 17:34:16,900 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 17:34:16,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 17:34:16,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 17:34:16,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 17:34:16,901 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 17:34:16,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 17:34:16,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 17:34:16,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 17:34:16,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 17:34:16,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 17:34:16,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 17:34:16,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 17:34:16,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 17:34:16,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 17:34:16,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 17:34:16,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 17:34:16,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 17:34:16,971 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 17:34:16,971 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 17:34:16,972 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-08 17:34:17,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e7cd3cc/d02f86f9c718460dbe68db198da5d1aa/FLAG2fc8562f3 [2019-09-08 17:34:17,874 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 17:34:17,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-a9e7fb5-1-32_7a-drivers--media--rc--imon.ko-entry_point_ldv-val-v0.8.cil.out.i [2019-09-08 17:34:17,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e7cd3cc/d02f86f9c718460dbe68db198da5d1aa/FLAG2fc8562f3 [2019-09-08 17:34:18,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46e7cd3cc/d02f86f9c718460dbe68db198da5d1aa [2019-09-08 17:34:18,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 17:34:18,394 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 17:34:18,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 17:34:18,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 17:34:18,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 17:34:18,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:34:18" (1/1) ... [2019-09-08 17:34:18,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c92595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:18, skipping insertion in model container [2019-09-08 17:34:18,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 05:34:18" (1/1) ... [2019-09-08 17:34:18,411 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 17:34:18,567 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 17:34:20,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:34:21,074 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 17:34:21,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 17:34:22,012 INFO L192 MainTranslator]: Completed translation [2019-09-08 17:34:22,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22 WrapperNode [2019-09-08 17:34:22,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 17:34:22,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 17:34:22,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 17:34:22,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 17:34:22,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... [2019-09-08 17:34:22,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... [2019-09-08 17:34:22,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... [2019-09-08 17:34:22,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... [2019-09-08 17:34:22,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... [2019-09-08 17:34:22,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... [2019-09-08 17:34:22,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... [2019-09-08 17:34:22,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 17:34:22,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 17:34:22,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 17:34:22,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 17:34:22,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 17:34:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 17:34:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 17:34:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~TO~int [2019-09-08 17:34:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-08 17:34:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2019-09-08 17:34:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-09-08 17:34:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab64 [2019-09-08 17:34:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-09-08 17:34:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2019-09-08 17:34:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-09-08 17:34:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 17:34:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 17:34:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 17:34:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 17:34:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 17:34:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 17:34:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 17:34:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 17:34:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 17:34:22,453 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 17:34:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 17:34:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-09-08 17:34:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 17:34:22,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 17:34:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 17:34:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-09-08 17:34:22,456 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-09-08 17:34:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-09-08 17:34:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2019-09-08 17:34:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-09-08 17:34:22,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_rel [2019-09-08 17:34:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2019-09-08 17:34:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-09-08 17:34:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-08 17:34:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-08 17:34:22,458 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 17:34:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-09-08 17:34:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2019-09-08 17:34:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-08 17:34:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-08 17:34:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 17:34:22,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2019-09-08 17:34:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2019-09-08 17:34:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2019-09-08 17:34:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2019-09-08 17:34:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2019-09-08 17:34:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure send_associate_24g [2019-09-08 17:34:22,460 INFO L138 BoogieDeclarations]: Found implementation of procedure send_set_imon_clock [2019-09-08 17:34:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure show_associate_remote [2019-09-08 17:34:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure store_associate_remote [2019-09-08 17:34:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure show_imon_clock [2019-09-08 17:34:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure store_imon_clock [2019-09-08 17:34:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2019-09-08 17:34:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lcd_write [2019-09-08 17:34:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2019-09-08 17:34:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_display_timeout [2019-09-08 17:34:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_ir_change_protocol [2019-09-08 17:34:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure tv2int [2019-09-08 17:34:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure stabilize [2019-09-08 17:34:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_remote_key_lookup [2019-09-08 17:34:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mce_key_lookup [2019-09-08 17:34:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_panel_key_lookup [2019-09-08 17:34:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_mouse_event [2019-09-08 17:34:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_touch_event [2019-09-08 17:34:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_pad_to_keys [2019-09-08 17:34:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_parse_press_type [2019-09-08 17:34:22,464 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2019-09-08 17:34:22,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf0 [2019-09-08 17:34:22,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback_intf1 [2019-09-08 17:34:22,465 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_get_ffdc_type [2019-09-08 17:34:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_set_display_type [2019-09-08 17:34:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_rdev [2019-09-08 17:34:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_idev [2019-09-08 17:34:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_touch [2019-09-08 17:34:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2019-09-08 17:34:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf0 [2019-09-08 17:34:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_intf1 [2019-09-08 17:34:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init_display [2019-09-08 17:34:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2019-09-08 17:34:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2019-09-08 17:34:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2019-09-08 17:34:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2019-09-08 17:34:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init [2019-09-08 17:34:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_exit [2019-09-08 17:34:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_2 [2019-09-08 17:34:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-08 17:34:22,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_6 [2019-09-08 17:34:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_5 [2019-09-08 17:34:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-08 17:34:22,472 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-08 17:34:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_device_attribute_3 [2019-09-08 17:34:22,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_4 [2019-09-08 17:34:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-08 17:34:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 17:34:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_5 [2019-09-08 17:34:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_6 [2019-09-08 17:34:22,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-09-08 17:34:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-09-08 17:34:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-09-08 17:34:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_10 [2019-09-08 17:34:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-09-08 17:34:22,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_12 [2019-09-08 17:34:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-09-08 17:34:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-09-08 17:34:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-09-08 17:34:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-08 17:34:22,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-09-08 17:34:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2019-09-08 17:34:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2019-09-08 17:34:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-09-08 17:34:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-08 17:34:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-09-08 17:34:22,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-09-08 17:34:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2019-09-08 17:34:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2019-09-08 17:34:22,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2019-09-08 17:34:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2019-09-08 17:34:22,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_28 [2019-09-08 17:34:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2019-09-08 17:34:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2019-09-08 17:34:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2019-09-08 17:34:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2019-09-08 17:34:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_33 [2019-09-08 17:34:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_34 [2019-09-08 17:34:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_35 [2019-09-08 17:34:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_36 [2019-09-08 17:34:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_37 [2019-09-08 17:34:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_38 [2019-09-08 17:34:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_39 [2019-09-08 17:34:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_40 [2019-09-08 17:34:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_41 [2019-09-08 17:34:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_42 [2019-09-08 17:34:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_43 [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_44 [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_45 [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_46 [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_47 [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 17:34:22,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 17:34:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 17:34:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 17:34:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_driver_lock [2019-09-08 17:34:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_driver_lock [2019-09-08 17:34:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_driver_lock [2019-09-08 17:34:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_driver_lock [2019-09-08 17:34:22,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2019-09-08 17:34:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_driver_lock [2019-09-08 17:34:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_driver_lock [2019-09-08 17:34:22,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_driver_lock [2019-09-08 17:34:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_driver_lock [2019-09-08 17:34:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_driver_lock [2019-09-08 17:34:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_driver_lock [2019-09-08 17:34:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock_of_imon_context [2019-09-08 17:34:22,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock_of_imon_context [2019-09-08 17:34:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_imon_context [2019-09-08 17:34:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock_of_imon_context [2019-09-08 17:34:22,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2019-09-08 17:34:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_imon_context [2019-09-08 17:34:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_imon_context [2019-09-08 17:34:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock_of_imon_context [2019-09-08 17:34:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock_of_imon_context [2019-09-08 17:34:22,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock_of_imon_context [2019-09-08 17:34:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock_of_imon_context [2019-09-08 17:34:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 17:34:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 17:34:22,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 17:34:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 17:34:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 17:34:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 17:34:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 17:34:22,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-08 17:34:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-08 17:34:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-08 17:34:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-08 17:34:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 17:34:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 17:34:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 17:34:22,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 17:34:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-09-08 17:34:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 17:34:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-08 17:34:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:34:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-09-08 17:34:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2019-09-08 17:34:22,586 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-09-08 17:34:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-08 17:34:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 17:34:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 17:34:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2019-09-08 17:34:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 17:34:22,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 17:34:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2019-09-08 17:34:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-09-08 17:34:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-09-08 17:34:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-09-08 17:34:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2019-09-08 17:34:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-09-08 17:34:22,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 17:34:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_4 [2019-09-08 17:34:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-09-08 17:34:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-08 17:34:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-09-08 17:34:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-08 17:34:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-08 17:34:22,589 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 17:34:22,590 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-09-08 17:34:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 17:34:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2019-09-08 17:34:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2019-09-08 17:34:22,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_g_keycode_from_table [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keydown [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_keyup [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2019-09-08 17:34:22,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2019-09-08 17:34:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-08 17:34:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 17:34:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2019-09-08 17:34:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2019-09-08 17:34:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-08 17:34:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2019-09-08 17:34:22,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 17:34:22,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 17:34:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 17:34:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 17:34:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 17:34:22,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-08 17:34:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 17:34:22,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab64 [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2019-09-08 17:34:22,596 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-09-08 17:34:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-08 17:34:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2019-09-08 17:34:22,597 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 17:34:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-09-08 17:34:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-09-08 17:34:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 17:34:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 17:34:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-08 17:34:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-08 17:34:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-09-08 17:34:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-08 17:34:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-09-08 17:34:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2019-09-08 17:34:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-08 17:34:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-09-08 17:34:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2019-09-08 17:34:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2019-09-08 17:34:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2019-09-08 17:34:22,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_34 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_36 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_38 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_39 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_40 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_44 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_45 [2019-09-08 17:34:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_46 [2019-09-08 17:34:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 17:34:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 17:34:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 17:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 17:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 17:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 17:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 17:34:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 17:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 17:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 17:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 17:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 17:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 17:34:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 17:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 17:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 17:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 17:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-08 17:34:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-09-08 17:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-09-08 17:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_12 [2019-09-08 17:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-09-08 17:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2019-09-08 17:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-09-08 17:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-09-08 17:34:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2019-09-08 17:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2019-09-08 17:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_28 [2019-09-08 17:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2019-09-08 17:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_33 [2019-09-08 17:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_35 [2019-09-08 17:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_37 [2019-09-08 17:34:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_41 [2019-09-08 17:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_42 [2019-09-08 17:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_driver_lock [2019-09-08 17:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_driver_lock [2019-09-08 17:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_imon_context [2019-09-08 17:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_imon_context [2019-09-08 17:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 17:34:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 17:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 17:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 17:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-08 17:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 17:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 17:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 17:34:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_6 [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-08 17:34:22,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_5 [2019-09-08 17:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_43 [2019-09-08 17:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-09-08 17:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 17:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 17:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 17:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2019-09-08 17:34:22,621 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-09-08 17:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2019-09-08 17:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 17:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2019-09-08 17:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2019-09-08 17:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 17:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 17:34:22,622 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_2 [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_6 [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_5 [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_device_attribute_3 [2019-09-08 17:34:22,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_4 [2019-09-08 17:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-08 17:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-09-08 17:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-09-08 17:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 17:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 17:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2019-09-08 17:34:22,624 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 17:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 17:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 17:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-09-08 17:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 17:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-09-08 17:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-09-08 17:34:22,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-09-08 17:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2019-09-08 17:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-09-08 17:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-09-08 17:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-09-08 17:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-09-08 17:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_rel [2019-09-08 17:34:22,626 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 17:34:22,627 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2019-09-08 17:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2019-09-08 17:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2019-09-08 17:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-09-08 17:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 17:34:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_10 [2019-09-08 17:34:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2019-09-08 17:34:22,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 17:34:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_47 [2019-09-08 17:34:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2019-09-08 17:34:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2019-09-08 17:34:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-08 17:34:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 17:34:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-08 17:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-08 17:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-08 17:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-08 17:34:22,636 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keydown [2019-09-08 17:34:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure rc_keyup [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure rc_g_keycode_from_table [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf0 [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback_intf1 [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2019-09-08 17:34:22,638 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure lcd_write [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure send_associate_24g [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 17:34:22,639 INFO L130 BoogieDeclarations]: Found specification of procedure send_set_imon_clock [2019-09-08 17:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure show_associate_remote [2019-09-08 17:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-08 17:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure store_associate_remote [2019-09-08 17:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure show_imon_clock [2019-09-08 17:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure store_imon_clock [2019-09-08 17:34:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_display_timeout [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure imon_ir_change_protocol [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure tv2int [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure stabilize [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure imon_remote_key_lookup [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mce_key_lookup [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure imon_panel_key_lookup [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure imon_mouse_event [2019-09-08 17:34:22,641 INFO L130 BoogieDeclarations]: Found specification of procedure imon_touch_event [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_pad_to_keys [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_parse_press_type [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_get_ffdc_type [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_set_display_type [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_rdev [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_idev [2019-09-08 17:34:22,642 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_touch [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf0 [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_intf1 [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init_display [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~TO~int [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure imon_exit [2019-09-08 17:34:22,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_4 [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 17:34:22,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_driver_lock [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_driver_lock [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_driver_lock [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_driver_lock [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_driver_lock [2019-09-08 17:34:22,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_driver_lock [2019-09-08 17:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_driver_lock [2019-09-08 17:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_driver_lock [2019-09-08 17:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_driver_lock [2019-09-08 17:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock_of_imon_context [2019-09-08 17:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock_of_imon_context [2019-09-08 17:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock_of_imon_context [2019-09-08 17:34:22,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock_of_imon_context [2019-09-08 17:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_imon_context [2019-09-08 17:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock_of_imon_context [2019-09-08 17:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock_of_imon_context [2019-09-08 17:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock_of_imon_context [2019-09-08 17:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock_of_imon_context [2019-09-08 17:34:22,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 17:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 17:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 17:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 17:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-08 17:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-08 17:34:22,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-08 17:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-08 17:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 17:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 17:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 17:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 17:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 17:34:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 17:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 17:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 17:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 17:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 17:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 17:34:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 17:34:23,753 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 17:34:40,123 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 17:34:40,123 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 17:34:40,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:34:40 BoogieIcfgContainer [2019-09-08 17:34:40,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 17:34:40,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 17:34:40,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 17:34:40,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 17:34:40,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 05:34:18" (1/3) ... [2019-09-08 17:34:40,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1369c197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:34:40, skipping insertion in model container [2019-09-08 17:34:40,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 05:34:22" (2/3) ... [2019-09-08 17:34:40,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1369c197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 05:34:40, skipping insertion in model container [2019-09-08 17:34:40,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 05:34:40" (3/3) ... [2019-09-08 17:34:40,133 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 [2019-09-08 17:34:40,143 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 17:34:40,153 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 17:34:40,170 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 17:34:40,210 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 17:34:40,210 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 17:34:40,211 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 17:34:40,211 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 17:34:40,211 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 17:34:40,211 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 17:34:40,211 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 17:34:40,211 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 17:34:40,211 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 17:34:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states. [2019-09-08 17:34:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-09-08 17:34:40,279 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:34:40,281 INFO L399 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] [2019-09-08 17:34:40,283 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:34:40,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:34:40,289 INFO L82 PathProgramCache]: Analyzing trace with hash -511122898, now seen corresponding path program 1 times [2019-09-08 17:34:40,291 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:34:40,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:34:40,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:40,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:34:40,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:34:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-09-08 17:34:41,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:34:41,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:34:41,823 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:34:41,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:34:41,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:41,841 INFO L87 Difference]: Start difference. First operand 2003 states. Second operand 3 states. [2019-09-08 17:34:43,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:34:43,535 INFO L93 Difference]: Finished difference Result 4144 states and 5691 transitions. [2019-09-08 17:34:43,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:34:43,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-09-08 17:34:43,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:34:43,582 INFO L225 Difference]: With dead ends: 4144 [2019-09-08 17:34:43,582 INFO L226 Difference]: Without dead ends: 2724 [2019-09-08 17:34:43,600 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:43,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2019-09-08 17:34:43,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 2697. [2019-09-08 17:34:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2697 states. [2019-09-08 17:34:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2697 states and 3562 transitions. [2019-09-08 17:34:43,901 INFO L78 Accepts]: Start accepts. Automaton has 2697 states and 3562 transitions. Word has length 213 [2019-09-08 17:34:43,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:34:43,906 INFO L475 AbstractCegarLoop]: Abstraction has 2697 states and 3562 transitions. [2019-09-08 17:34:43,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:34:43,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 3562 transitions. [2019-09-08 17:34:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-09-08 17:34:43,920 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:34:43,920 INFO L399 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] [2019-09-08 17:34:43,921 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:34:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:34:43,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1500640242, now seen corresponding path program 1 times [2019-09-08 17:34:43,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:34:43,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:34:43,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:43,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:34:43,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:34:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-09-08 17:34:44,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:34:44,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:34:44,577 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:34:44,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:34:44,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:44,578 INFO L87 Difference]: Start difference. First operand 2697 states and 3562 transitions. Second operand 3 states. [2019-09-08 17:34:47,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:34:47,109 INFO L93 Difference]: Finished difference Result 6595 states and 8695 transitions. [2019-09-08 17:34:47,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:34:47,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-09-08 17:34:47,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:34:47,137 INFO L225 Difference]: With dead ends: 6595 [2019-09-08 17:34:47,137 INFO L226 Difference]: Without dead ends: 3952 [2019-09-08 17:34:47,147 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:47,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2019-09-08 17:34:47,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3909. [2019-09-08 17:34:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3909 states. [2019-09-08 17:34:47,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 5151 transitions. [2019-09-08 17:34:47,332 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 5151 transitions. Word has length 214 [2019-09-08 17:34:47,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:34:47,333 INFO L475 AbstractCegarLoop]: Abstraction has 3909 states and 5151 transitions. [2019-09-08 17:34:47,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:34:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 5151 transitions. [2019-09-08 17:34:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-09-08 17:34:47,337 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:34:47,337 INFO L399 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] [2019-09-08 17:34:47,337 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:34:47,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:34:47,338 INFO L82 PathProgramCache]: Analyzing trace with hash 213919949, now seen corresponding path program 1 times [2019-09-08 17:34:47,338 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:34:47,338 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:34:47,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:47,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:34:47,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:34:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-09-08 17:34:47,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:34:47,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:34:47,995 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:34:47,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:34:47,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:47,996 INFO L87 Difference]: Start difference. First operand 3909 states and 5151 transitions. Second operand 3 states. [2019-09-08 17:34:50,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:34:50,014 INFO L93 Difference]: Finished difference Result 11086 states and 14589 transitions. [2019-09-08 17:34:50,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:34:50,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-09-08 17:34:50,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:34:50,071 INFO L225 Difference]: With dead ends: 11086 [2019-09-08 17:34:50,071 INFO L226 Difference]: Without dead ends: 7239 [2019-09-08 17:34:50,093 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:50,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7239 states. [2019-09-08 17:34:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7239 to 7213. [2019-09-08 17:34:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7213 states. [2019-09-08 17:34:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7213 states to 7213 states and 9486 transitions. [2019-09-08 17:34:50,404 INFO L78 Accepts]: Start accepts. Automaton has 7213 states and 9486 transitions. Word has length 219 [2019-09-08 17:34:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:34:50,405 INFO L475 AbstractCegarLoop]: Abstraction has 7213 states and 9486 transitions. [2019-09-08 17:34:50,405 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:34:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 7213 states and 9486 transitions. [2019-09-08 17:34:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-09-08 17:34:50,408 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:34:50,409 INFO L399 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] [2019-09-08 17:34:50,409 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:34:50,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:34:50,409 INFO L82 PathProgramCache]: Analyzing trace with hash -18995727, now seen corresponding path program 1 times [2019-09-08 17:34:50,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:34:50,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:34:50,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:50,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:34:50,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:34:50,924 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-09-08 17:34:50,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:34:50,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:34:50,925 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:34:50,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:34:50,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:50,926 INFO L87 Difference]: Start difference. First operand 7213 states and 9486 transitions. Second operand 3 states. [2019-09-08 17:34:55,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:34:55,079 INFO L93 Difference]: Finished difference Result 21295 states and 28051 transitions. [2019-09-08 17:34:55,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:34:55,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2019-09-08 17:34:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:34:55,195 INFO L225 Difference]: With dead ends: 21295 [2019-09-08 17:34:55,195 INFO L226 Difference]: Without dead ends: 14144 [2019-09-08 17:34:55,230 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:55,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14144 states. [2019-09-08 17:34:55,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14144 to 14134. [2019-09-08 17:34:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14134 states. [2019-09-08 17:34:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14134 states to 14134 states and 18611 transitions. [2019-09-08 17:34:56,027 INFO L78 Accepts]: Start accepts. Automaton has 14134 states and 18611 transitions. Word has length 223 [2019-09-08 17:34:56,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:34:56,033 INFO L475 AbstractCegarLoop]: Abstraction has 14134 states and 18611 transitions. [2019-09-08 17:34:56,033 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:34:56,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14134 states and 18611 transitions. [2019-09-08 17:34:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-09-08 17:34:56,038 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:34:56,039 INFO L399 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] [2019-09-08 17:34:56,039 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:34:56,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:34:56,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1559219917, now seen corresponding path program 1 times [2019-09-08 17:34:56,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:34:56,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:34:56,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:56,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:34:56,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:34:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:34:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-09-08 17:34:56,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:34:56,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:34:56,642 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:34:56,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:34:56,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:56,642 INFO L87 Difference]: Start difference. First operand 14134 states and 18611 transitions. Second operand 3 states. [2019-09-08 17:34:59,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:34:59,173 INFO L93 Difference]: Finished difference Result 41034 states and 54020 transitions. [2019-09-08 17:34:59,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:34:59,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-09-08 17:34:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:34:59,317 INFO L225 Difference]: With dead ends: 41034 [2019-09-08 17:34:59,318 INFO L226 Difference]: Without dead ends: 26962 [2019-09-08 17:34:59,386 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:34:59,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26962 states. [2019-09-08 17:35:00,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26962 to 26934. [2019-09-08 17:35:00,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26934 states. [2019-09-08 17:35:00,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26934 states to 26934 states and 35443 transitions. [2019-09-08 17:35:00,654 INFO L78 Accepts]: Start accepts. Automaton has 26934 states and 35443 transitions. Word has length 228 [2019-09-08 17:35:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:00,655 INFO L475 AbstractCegarLoop]: Abstraction has 26934 states and 35443 transitions. [2019-09-08 17:35:00,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 26934 states and 35443 transitions. [2019-09-08 17:35:00,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-09-08 17:35:00,659 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:00,659 INFO L399 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] [2019-09-08 17:35:00,659 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:00,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:00,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1431122565, now seen corresponding path program 1 times [2019-09-08 17:35:00,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:00,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:00,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:00,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:00,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-09-08 17:35:01,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:01,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:01,188 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:01,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:01,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:01,189 INFO L87 Difference]: Start difference. First operand 26934 states and 35443 transitions. Second operand 3 states. [2019-09-08 17:35:05,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:05,225 INFO L93 Difference]: Finished difference Result 77346 states and 101472 transitions. [2019-09-08 17:35:05,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:05,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 228 [2019-09-08 17:35:05,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:05,445 INFO L225 Difference]: With dead ends: 77346 [2019-09-08 17:35:05,445 INFO L226 Difference]: Without dead ends: 50474 [2019-09-08 17:35:05,522 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:05,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50474 states. [2019-09-08 17:35:07,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50474 to 50446. [2019-09-08 17:35:07,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50446 states. [2019-09-08 17:35:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50446 states to 50446 states and 66047 transitions. [2019-09-08 17:35:07,222 INFO L78 Accepts]: Start accepts. Automaton has 50446 states and 66047 transitions. Word has length 228 [2019-09-08 17:35:07,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:07,223 INFO L475 AbstractCegarLoop]: Abstraction has 50446 states and 66047 transitions. [2019-09-08 17:35:07,223 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 50446 states and 66047 transitions. [2019-09-08 17:35:07,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-09-08 17:35:07,226 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:07,227 INFO L399 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] [2019-09-08 17:35:07,227 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:07,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:07,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2052038676, now seen corresponding path program 1 times [2019-09-08 17:35:07,227 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:07,228 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:07,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:07,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:07,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-09-08 17:35:08,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:08,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:08,012 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:08,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:08,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:08,013 INFO L87 Difference]: Start difference. First operand 50446 states and 66047 transitions. Second operand 3 states. [2019-09-08 17:35:08,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:08,750 INFO L93 Difference]: Finished difference Result 56700 states and 72945 transitions. [2019-09-08 17:35:08,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:08,751 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 250 [2019-09-08 17:35:08,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:09,013 INFO L225 Difference]: With dead ends: 56700 [2019-09-08 17:35:09,013 INFO L226 Difference]: Without dead ends: 56696 [2019-09-08 17:35:09,045 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:09,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56696 states. [2019-09-08 17:35:10,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56696 to 56692. [2019-09-08 17:35:10,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56692 states. [2019-09-08 17:35:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56692 states to 56692 states and 72882 transitions. [2019-09-08 17:35:11,033 INFO L78 Accepts]: Start accepts. Automaton has 56692 states and 72882 transitions. Word has length 250 [2019-09-08 17:35:11,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:11,034 INFO L475 AbstractCegarLoop]: Abstraction has 56692 states and 72882 transitions. [2019-09-08 17:35:11,034 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 56692 states and 72882 transitions. [2019-09-08 17:35:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-09-08 17:35:11,042 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:11,042 INFO L399 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] [2019-09-08 17:35:11,043 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:11,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:11,043 INFO L82 PathProgramCache]: Analyzing trace with hash -812086886, now seen corresponding path program 1 times [2019-09-08 17:35:11,043 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:11,043 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:11,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:11,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:11,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-09-08 17:35:11,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:11,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:11,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:11,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:11,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:11,583 INFO L87 Difference]: Start difference. First operand 56692 states and 72882 transitions. Second operand 3 states. [2019-09-08 17:35:14,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:14,646 INFO L93 Difference]: Finished difference Result 137314 states and 176650 transitions. [2019-09-08 17:35:14,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:14,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2019-09-08 17:35:14,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:15,276 INFO L225 Difference]: With dead ends: 137314 [2019-09-08 17:35:15,276 INFO L226 Difference]: Without dead ends: 80684 [2019-09-08 17:35:15,438 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:15,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80684 states. [2019-09-08 17:35:17,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80684 to 80337. [2019-09-08 17:35:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80337 states. [2019-09-08 17:35:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80337 states to 80337 states and 103032 transitions. [2019-09-08 17:35:17,949 INFO L78 Accepts]: Start accepts. Automaton has 80337 states and 103032 transitions. Word has length 251 [2019-09-08 17:35:17,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:17,950 INFO L475 AbstractCegarLoop]: Abstraction has 80337 states and 103032 transitions. [2019-09-08 17:35:17,950 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 80337 states and 103032 transitions. [2019-09-08 17:35:17,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-09-08 17:35:17,953 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:17,953 INFO L399 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] [2019-09-08 17:35:17,954 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:17,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:17,954 INFO L82 PathProgramCache]: Analyzing trace with hash 594338775, now seen corresponding path program 1 times [2019-09-08 17:35:17,954 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:17,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:17,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:17,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:17,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:18,442 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-09-08 17:35:18,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:18,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:18,444 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:18,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:18,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:18,444 INFO L87 Difference]: Start difference. First operand 80337 states and 103032 transitions. Second operand 3 states. [2019-09-08 17:35:21,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:21,084 INFO L93 Difference]: Finished difference Result 80339 states and 103033 transitions. [2019-09-08 17:35:21,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:21,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 252 [2019-09-08 17:35:21,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:21,422 INFO L225 Difference]: With dead ends: 80339 [2019-09-08 17:35:21,423 INFO L226 Difference]: Without dead ends: 80319 [2019-09-08 17:35:21,468 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:21,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80319 states. [2019-09-08 17:35:23,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80319 to 80319. [2019-09-08 17:35:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80319 states. [2019-09-08 17:35:23,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80319 states to 80319 states and 102964 transitions. [2019-09-08 17:35:23,574 INFO L78 Accepts]: Start accepts. Automaton has 80319 states and 102964 transitions. Word has length 252 [2019-09-08 17:35:23,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:23,575 INFO L475 AbstractCegarLoop]: Abstraction has 80319 states and 102964 transitions. [2019-09-08 17:35:23,575 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 80319 states and 102964 transitions. [2019-09-08 17:35:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-09-08 17:35:23,579 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:23,579 INFO L399 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] [2019-09-08 17:35:23,580 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:23,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:23,580 INFO L82 PathProgramCache]: Analyzing trace with hash 175950732, now seen corresponding path program 1 times [2019-09-08 17:35:23,580 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:23,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:23,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:23,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:23,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2019-09-08 17:35:24,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:24,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:24,142 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:24,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:24,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:24,143 INFO L87 Difference]: Start difference. First operand 80319 states and 102964 transitions. Second operand 3 states. [2019-09-08 17:35:29,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:29,407 INFO L93 Difference]: Finished difference Result 121361 states and 155475 transitions. [2019-09-08 17:35:29,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:29,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2019-09-08 17:35:29,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:29,560 INFO L225 Difference]: With dead ends: 121361 [2019-09-08 17:35:29,561 INFO L226 Difference]: Without dead ends: 41088 [2019-09-08 17:35:29,739 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:29,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41088 states. [2019-09-08 17:35:30,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41088 to 40459. [2019-09-08 17:35:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40459 states. [2019-09-08 17:35:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40459 states to 40459 states and 51890 transitions. [2019-09-08 17:35:30,916 INFO L78 Accepts]: Start accepts. Automaton has 40459 states and 51890 transitions. Word has length 340 [2019-09-08 17:35:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:30,917 INFO L475 AbstractCegarLoop]: Abstraction has 40459 states and 51890 transitions. [2019-09-08 17:35:30,917 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 40459 states and 51890 transitions. [2019-09-08 17:35:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2019-09-08 17:35:30,929 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:30,929 INFO L399 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] [2019-09-08 17:35:30,930 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:30,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:30,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1520863928, now seen corresponding path program 1 times [2019-09-08 17:35:30,930 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:30,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:30,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:30,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:30,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2019-09-08 17:35:33,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:33,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:33,741 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:33,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:33,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:33,746 INFO L87 Difference]: Start difference. First operand 40459 states and 51890 transitions. Second operand 3 states. [2019-09-08 17:35:38,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:38,128 INFO L93 Difference]: Finished difference Result 80799 states and 103693 transitions. [2019-09-08 17:35:38,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:38,129 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 376 [2019-09-08 17:35:38,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:38,279 INFO L225 Difference]: With dead ends: 80799 [2019-09-08 17:35:38,279 INFO L226 Difference]: Without dead ends: 40462 [2019-09-08 17:35:38,386 INFO L628 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 [2019-09-08 17:35:38,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40462 states. [2019-09-08 17:35:39,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40462 to 39592. [2019-09-08 17:35:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39592 states. [2019-09-08 17:35:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39592 states to 39592 states and 50267 transitions. [2019-09-08 17:35:39,608 INFO L78 Accepts]: Start accepts. Automaton has 39592 states and 50267 transitions. Word has length 376 [2019-09-08 17:35:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:39,609 INFO L475 AbstractCegarLoop]: Abstraction has 39592 states and 50267 transitions. [2019-09-08 17:35:39,609 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 39592 states and 50267 transitions. [2019-09-08 17:35:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2019-09-08 17:35:39,635 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:39,635 INFO L399 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] [2019-09-08 17:35:39,636 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:39,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:39,636 INFO L82 PathProgramCache]: Analyzing trace with hash -726591747, now seen corresponding path program 1 times [2019-09-08 17:35:39,636 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:39,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:39,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:39,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:39,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:39,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1553 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1553 trivial. 0 not checked. [2019-09-08 17:35:40,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:40,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:40,586 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:40,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:40,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:40,586 INFO L87 Difference]: Start difference. First operand 39592 states and 50267 transitions. Second operand 3 states. [2019-09-08 17:35:44,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:44,834 INFO L93 Difference]: Finished difference Result 39602 states and 50275 transitions. [2019-09-08 17:35:44,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:44,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 398 [2019-09-08 17:35:44,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:44,923 INFO L225 Difference]: With dead ends: 39602 [2019-09-08 17:35:44,923 INFO L226 Difference]: Without dead ends: 39599 [2019-09-08 17:35:44,940 INFO L628 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 [2019-09-08 17:35:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39599 states. [2019-09-08 17:35:45,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39599 to 39591. [2019-09-08 17:35:45,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39591 states. [2019-09-08 17:35:45,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39591 states to 39591 states and 50210 transitions. [2019-09-08 17:35:45,747 INFO L78 Accepts]: Start accepts. Automaton has 39591 states and 50210 transitions. Word has length 398 [2019-09-08 17:35:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:45,748 INFO L475 AbstractCegarLoop]: Abstraction has 39591 states and 50210 transitions. [2019-09-08 17:35:45,748 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 39591 states and 50210 transitions. [2019-09-08 17:35:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2019-09-08 17:35:45,810 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:45,811 INFO L399 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] [2019-09-08 17:35:45,811 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1026381115, now seen corresponding path program 1 times [2019-09-08 17:35:45,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:45,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:45,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:45,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:45,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:46,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1569 trivial. 0 not checked. [2019-09-08 17:35:46,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:46,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:35:46,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:35:46,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:35:46,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:35:46,590 INFO L87 Difference]: Start difference. First operand 39591 states and 50210 transitions. Second operand 5 states. [2019-09-08 17:35:48,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:48,066 INFO L93 Difference]: Finished difference Result 79252 states and 100507 transitions. [2019-09-08 17:35:48,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:35:48,067 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 449 [2019-09-08 17:35:48,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:48,241 INFO L225 Difference]: With dead ends: 79252 [2019-09-08 17:35:48,241 INFO L226 Difference]: Without dead ends: 39783 [2019-09-08 17:35:48,330 INFO L628 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 [2019-09-08 17:35:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39783 states. [2019-09-08 17:35:49,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39783 to 39783. [2019-09-08 17:35:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39783 states. [2019-09-08 17:35:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39783 states to 39783 states and 50402 transitions. [2019-09-08 17:35:49,694 INFO L78 Accepts]: Start accepts. Automaton has 39783 states and 50402 transitions. Word has length 449 [2019-09-08 17:35:49,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:49,695 INFO L475 AbstractCegarLoop]: Abstraction has 39783 states and 50402 transitions. [2019-09-08 17:35:49,695 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:35:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 39783 states and 50402 transitions. [2019-09-08 17:35:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2019-09-08 17:35:49,780 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:49,781 INFO L399 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] [2019-09-08 17:35:49,781 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:49,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:49,782 INFO L82 PathProgramCache]: Analyzing trace with hash 46042305, now seen corresponding path program 1 times [2019-09-08 17:35:49,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:49,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:49,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:49,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:49,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2019-09-08 17:35:50,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:50,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:35:50,413 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:35:50,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:35:50,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:50,415 INFO L87 Difference]: Start difference. First operand 39783 states and 50402 transitions. Second operand 3 states. [2019-09-08 17:35:51,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:51,585 INFO L93 Difference]: Finished difference Result 79668 states and 101003 transitions. [2019-09-08 17:35:51,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:35:51,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 460 [2019-09-08 17:35:51,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:51,678 INFO L225 Difference]: With dead ends: 79668 [2019-09-08 17:35:51,678 INFO L226 Difference]: Without dead ends: 40007 [2019-09-08 17:35:51,732 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:35:51,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40007 states. [2019-09-08 17:35:52,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40007 to 39975. [2019-09-08 17:35:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39975 states. [2019-09-08 17:35:52,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39975 states to 39975 states and 50658 transitions. [2019-09-08 17:35:52,682 INFO L78 Accepts]: Start accepts. Automaton has 39975 states and 50658 transitions. Word has length 460 [2019-09-08 17:35:52,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:52,683 INFO L475 AbstractCegarLoop]: Abstraction has 39975 states and 50658 transitions. [2019-09-08 17:35:52,683 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:35:52,683 INFO L276 IsEmpty]: Start isEmpty. Operand 39975 states and 50658 transitions. [2019-09-08 17:35:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2019-09-08 17:35:52,719 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:52,719 INFO L399 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] [2019-09-08 17:35:52,719 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:52,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:52,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1851977785, now seen corresponding path program 1 times [2019-09-08 17:35:52,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:52,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:52,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:52,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:52,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:53,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2019-09-08 17:35:53,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:53,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 17:35:53,468 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:35:53,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:35:53,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:35:53,468 INFO L87 Difference]: Start difference. First operand 39975 states and 50658 transitions. Second operand 5 states. [2019-09-08 17:35:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:54,609 INFO L93 Difference]: Finished difference Result 79344 states and 100503 transitions. [2019-09-08 17:35:54,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 17:35:54,610 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 464 [2019-09-08 17:35:54,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:54,734 INFO L225 Difference]: With dead ends: 79344 [2019-09-08 17:35:54,734 INFO L226 Difference]: Without dead ends: 39491 [2019-09-08 17:35:54,820 INFO L628 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 [2019-09-08 17:35:54,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39491 states. [2019-09-08 17:35:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39491 to 39171. [2019-09-08 17:35:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39171 states. [2019-09-08 17:35:55,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39171 states to 39171 states and 49534 transitions. [2019-09-08 17:35:55,978 INFO L78 Accepts]: Start accepts. Automaton has 39171 states and 49534 transitions. Word has length 464 [2019-09-08 17:35:55,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:55,979 INFO L475 AbstractCegarLoop]: Abstraction has 39171 states and 49534 transitions. [2019-09-08 17:35:55,979 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:35:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand 39171 states and 49534 transitions. [2019-09-08 17:35:56,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-09-08 17:35:56,039 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:56,039 INFO L399 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] [2019-09-08 17:35:56,039 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:56,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:56,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1291217701, now seen corresponding path program 1 times [2019-09-08 17:35:56,040 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:56,040 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:56,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:56,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:56,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:35:56,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2019-09-08 17:35:56,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:35:56,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 17:35:56,981 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:35:56,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:35:56,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:35:56,982 INFO L87 Difference]: Start difference. First operand 39171 states and 49534 transitions. Second operand 6 states. [2019-09-08 17:35:57,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:35:57,859 INFO L93 Difference]: Finished difference Result 79100 states and 100419 transitions. [2019-09-08 17:35:57,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 17:35:57,859 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 535 [2019-09-08 17:35:57,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:35:57,963 INFO L225 Difference]: With dead ends: 79100 [2019-09-08 17:35:57,963 INFO L226 Difference]: Without dead ends: 40051 [2019-09-08 17:35:58,025 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:35:58,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40051 states. [2019-09-08 17:35:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40051 to 39667. [2019-09-08 17:35:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39667 states. [2019-09-08 17:35:59,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39667 states to 39667 states and 50302 transitions. [2019-09-08 17:35:59,396 INFO L78 Accepts]: Start accepts. Automaton has 39667 states and 50302 transitions. Word has length 535 [2019-09-08 17:35:59,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:35:59,398 INFO L475 AbstractCegarLoop]: Abstraction has 39667 states and 50302 transitions. [2019-09-08 17:35:59,398 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:35:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 39667 states and 50302 transitions. [2019-09-08 17:35:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2019-09-08 17:35:59,467 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:35:59,467 INFO L399 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] [2019-09-08 17:35:59,467 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:35:59,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:35:59,468 INFO L82 PathProgramCache]: Analyzing trace with hash 670356957, now seen corresponding path program 1 times [2019-09-08 17:35:59,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:35:59,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:35:59,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:59,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:35:59,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:35:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:00,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1589 trivial. 0 not checked. [2019-09-08 17:36:00,165 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:36:00,166 INFO L223 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 [2019-09-08 17:36:00,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:36:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:03,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 9041 conjuncts, 2 conjunts are in the unsatisfiable core [2019-09-08 17:36:03,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:36:03,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2019-09-08 17:36:03,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:36:03,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-09-08 17:36:03,752 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 17:36:03,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 17:36:03,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-09-08 17:36:03,753 INFO L87 Difference]: Start difference. First operand 39667 states and 50302 transitions. Second operand 5 states. [2019-09-08 17:36:09,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:36:09,370 INFO L93 Difference]: Finished difference Result 79308 states and 100659 transitions. [2019-09-08 17:36:09,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 17:36:09,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 535 [2019-09-08 17:36:09,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:36:09,652 INFO L225 Difference]: With dead ends: 79308 [2019-09-08 17:36:09,652 INFO L226 Difference]: Without dead ends: 39763 [2019-09-08 17:36:09,762 INFO L628 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 [2019-09-08 17:36:09,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39763 states. [2019-09-08 17:36:11,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39763 to 39683. [2019-09-08 17:36:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39683 states. [2019-09-08 17:36:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39683 states to 39683 states and 50318 transitions. [2019-09-08 17:36:11,628 INFO L78 Accepts]: Start accepts. Automaton has 39683 states and 50318 transitions. Word has length 535 [2019-09-08 17:36:11,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:36:11,630 INFO L475 AbstractCegarLoop]: Abstraction has 39683 states and 50318 transitions. [2019-09-08 17:36:11,630 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 17:36:11,630 INFO L276 IsEmpty]: Start isEmpty. Operand 39683 states and 50318 transitions. [2019-09-08 17:36:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-09-08 17:36:11,736 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:36:11,737 INFO L399 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] [2019-09-08 17:36:11,737 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:36:11,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:36:11,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1414115163, now seen corresponding path program 1 times [2019-09-08 17:36:11,738 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:36:11,738 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:36:11,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:11,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:36:11,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2019-09-08 17:36:12,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:36:12,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 17:36:12,557 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:36:12,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:36:12,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:36:12,557 INFO L87 Difference]: Start difference. First operand 39683 states and 50318 transitions. Second operand 6 states. [2019-09-08 17:36:17,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:36:17,703 INFO L93 Difference]: Finished difference Result 79331 states and 100577 transitions. [2019-09-08 17:36:17,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 17:36:17,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 545 [2019-09-08 17:36:17,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:36:17,844 INFO L225 Difference]: With dead ends: 79331 [2019-09-08 17:36:17,844 INFO L226 Difference]: Without dead ends: 39730 [2019-09-08 17:36:17,924 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 17:36:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39730 states. [2019-09-08 17:36:18,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39730 to 39709. [2019-09-08 17:36:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39709 states. [2019-09-08 17:36:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39709 states to 39709 states and 50336 transitions. [2019-09-08 17:36:19,058 INFO L78 Accepts]: Start accepts. Automaton has 39709 states and 50336 transitions. Word has length 545 [2019-09-08 17:36:19,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:36:19,060 INFO L475 AbstractCegarLoop]: Abstraction has 39709 states and 50336 transitions. [2019-09-08 17:36:19,060 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:36:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 39709 states and 50336 transitions. [2019-09-08 17:36:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-09-08 17:36:19,121 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:36:19,121 INFO L399 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] [2019-09-08 17:36:19,121 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:36:19,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:36:19,122 INFO L82 PathProgramCache]: Analyzing trace with hash -603595549, now seen corresponding path program 1 times [2019-09-08 17:36:19,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:36:19,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:36:19,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:19,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:36:19,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:19,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2019-09-08 17:36:19,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:36:19,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 17:36:19,897 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 17:36:19,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 17:36:19,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 17:36:19,897 INFO L87 Difference]: Start difference. First operand 39709 states and 50336 transitions. Second operand 6 states. [2019-09-08 17:36:25,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:36:25,654 INFO L93 Difference]: Finished difference Result 110861 states and 140498 transitions. [2019-09-08 17:36:25,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 17:36:25,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 545 [2019-09-08 17:36:25,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:36:25,902 INFO L225 Difference]: With dead ends: 110861 [2019-09-08 17:36:25,902 INFO L226 Difference]: Without dead ends: 71274 [2019-09-08 17:36:25,981 INFO L628 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 [2019-09-08 17:36:26,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71274 states. [2019-09-08 17:36:27,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71274 to 71218. [2019-09-08 17:36:27,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71218 states. [2019-09-08 17:36:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71218 states to 71218 states and 90228 transitions. [2019-09-08 17:36:27,847 INFO L78 Accepts]: Start accepts. Automaton has 71218 states and 90228 transitions. Word has length 545 [2019-09-08 17:36:27,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:36:27,848 INFO L475 AbstractCegarLoop]: Abstraction has 71218 states and 90228 transitions. [2019-09-08 17:36:27,848 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 17:36:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 71218 states and 90228 transitions. [2019-09-08 17:36:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-09-08 17:36:27,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:36:27,934 INFO L399 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] [2019-09-08 17:36:27,934 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:36:27,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:36:27,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1624663903, now seen corresponding path program 1 times [2019-09-08 17:36:27,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:36:27,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:36:27,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:27,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:36:27,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:29,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2019-09-08 17:36:29,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:36:29,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:36:29,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:36:29,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:36:29,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:36:29,781 INFO L87 Difference]: Start difference. First operand 71218 states and 90228 transitions. Second operand 3 states. [2019-09-08 17:36:31,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:36:31,182 INFO L93 Difference]: Finished difference Result 142314 states and 180591 transitions. [2019-09-08 17:36:31,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:36:31,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 545 [2019-09-08 17:36:31,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:36:31,494 INFO L225 Difference]: With dead ends: 142314 [2019-09-08 17:36:31,495 INFO L226 Difference]: Without dead ends: 71218 [2019-09-08 17:36:31,673 INFO L628 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 [2019-09-08 17:36:31,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71218 states. [2019-09-08 17:36:36,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71218 to 71218. [2019-09-08 17:36:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71218 states. [2019-09-08 17:36:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71218 states to 71218 states and 90164 transitions. [2019-09-08 17:36:36,912 INFO L78 Accepts]: Start accepts. Automaton has 71218 states and 90164 transitions. Word has length 545 [2019-09-08 17:36:36,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:36:36,912 INFO L475 AbstractCegarLoop]: Abstraction has 71218 states and 90164 transitions. [2019-09-08 17:36:36,913 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:36:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 71218 states and 90164 transitions. [2019-09-08 17:36:36,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2019-09-08 17:36:36,993 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:36:36,993 INFO L399 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] [2019-09-08 17:36:36,994 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:36:36,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:36:36,994 INFO L82 PathProgramCache]: Analyzing trace with hash -670723745, now seen corresponding path program 1 times [2019-09-08 17:36:36,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:36:36,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:36:36,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:36,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:36:36,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1602 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2019-09-08 17:36:38,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 17:36:38,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 17:36:38,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 17:36:38,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 17:36:38,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 17:36:38,435 INFO L87 Difference]: Start difference. First operand 71218 states and 90164 transitions. Second operand 3 states. [2019-09-08 17:36:40,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:36:40,169 INFO L93 Difference]: Finished difference Result 143370 states and 182127 transitions. [2019-09-08 17:36:40,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 17:36:40,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 545 [2019-09-08 17:36:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:36:40,450 INFO L225 Difference]: With dead ends: 143370 [2019-09-08 17:36:40,450 INFO L226 Difference]: Without dead ends: 72274 [2019-09-08 17:36:40,588 INFO L628 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 [2019-09-08 17:36:40,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72274 states. [2019-09-08 17:36:41,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72274 to 72082. [2019-09-08 17:36:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72082 states. [2019-09-08 17:36:42,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72082 states to 72082 states and 91380 transitions. [2019-09-08 17:36:42,150 INFO L78 Accepts]: Start accepts. Automaton has 72082 states and 91380 transitions. Word has length 545 [2019-09-08 17:36:42,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:36:42,151 INFO L475 AbstractCegarLoop]: Abstraction has 72082 states and 91380 transitions. [2019-09-08 17:36:42,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 17:36:42,151 INFO L276 IsEmpty]: Start isEmpty. Operand 72082 states and 91380 transitions. [2019-09-08 17:36:42,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2019-09-08 17:36:42,243 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:36:42,244 INFO L399 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] [2019-09-08 17:36:42,244 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:36:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:36:42,244 INFO L82 PathProgramCache]: Analyzing trace with hash -521051880, now seen corresponding path program 1 times [2019-09-08 17:36:42,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:36:42,244 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:36:42,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:42,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:36:42,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2019-09-08 17:36:45,400 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:36:45,400 INFO L223 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) [2019-09-08 17:36:45,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 17:36:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:48,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 9124 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-08 17:36:48,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:36:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1608 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1578 trivial. 0 not checked. [2019-09-08 17:36:51,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:36:51,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-09-08 17:36:51,649 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 17:36:51,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 17:36:51,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:36:51,650 INFO L87 Difference]: Start difference. First operand 72082 states and 91380 transitions. Second operand 10 states. [2019-09-08 17:36:53,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:36:53,563 INFO L93 Difference]: Finished difference Result 144136 states and 182843 transitions. [2019-09-08 17:36:53,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 17:36:53,566 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 551 [2019-09-08 17:36:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:36:53,871 INFO L225 Difference]: With dead ends: 144136 [2019-09-08 17:36:53,872 INFO L226 Difference]: Without dead ends: 72090 [2019-09-08 17:36:54,019 INFO L628 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 [2019-09-08 17:36:54,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72090 states. [2019-09-08 17:36:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72090 to 72090. [2019-09-08 17:36:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72090 states. [2019-09-08 17:36:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72090 states to 72090 states and 91341 transitions. [2019-09-08 17:36:56,373 INFO L78 Accepts]: Start accepts. Automaton has 72090 states and 91341 transitions. Word has length 551 [2019-09-08 17:36:56,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:36:56,373 INFO L475 AbstractCegarLoop]: Abstraction has 72090 states and 91341 transitions. [2019-09-08 17:36:56,373 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 17:36:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 72090 states and 91341 transitions. [2019-09-08 17:36:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2019-09-08 17:36:56,455 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:36:56,455 INFO L399 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] [2019-09-08 17:36:56,456 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:36:56,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:36:56,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2090832418, now seen corresponding path program 1 times [2019-09-08 17:36:56,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:36:56,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:36:56,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:56,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:36:56,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:36:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:36:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 2 proven. 75 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2019-09-08 17:36:59,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:36:59,873 INFO L223 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 [2019-09-08 17:36:59,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:37:03,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:37:03,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 9161 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-08 17:37:03,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:37:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 1662 trivial. 0 not checked. [2019-09-08 17:37:03,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:37:03,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-09-08 17:37:03,542 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 17:37:03,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 17:37:03,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:37:03,543 INFO L87 Difference]: Start difference. First operand 72090 states and 91341 transitions. Second operand 11 states. [2019-09-08 17:37:05,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:37:05,819 INFO L93 Difference]: Finished difference Result 144150 states and 182938 transitions. [2019-09-08 17:37:05,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 17:37:05,820 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 557 [2019-09-08 17:37:05,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:37:06,016 INFO L225 Difference]: With dead ends: 144150 [2019-09-08 17:37:06,016 INFO L226 Difference]: Without dead ends: 72093 [2019-09-08 17:37:06,109 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-09-08 17:37:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72093 states. [2019-09-08 17:37:07,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72093 to 72091. [2019-09-08 17:37:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72091 states. [2019-09-08 17:37:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72091 states to 72091 states and 91279 transitions. [2019-09-08 17:37:07,692 INFO L78 Accepts]: Start accepts. Automaton has 72091 states and 91279 transitions. Word has length 557 [2019-09-08 17:37:07,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:37:07,693 INFO L475 AbstractCegarLoop]: Abstraction has 72091 states and 91279 transitions. [2019-09-08 17:37:07,693 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 17:37:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 72091 states and 91279 transitions. [2019-09-08 17:37:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2019-09-08 17:37:07,841 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:37:07,842 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 12, 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] [2019-09-08 17:37:07,842 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:37:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:37:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash -284037928, now seen corresponding path program 1 times [2019-09-08 17:37:07,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:37:07,843 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:37:07,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:37:07,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:37:07,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:37:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:37:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 27 proven. 43 refuted. 0 times theorem prover too weak. 1712 trivial. 0 not checked. [2019-09-08 17:37:11,527 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:37:11,528 INFO L223 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 [2019-09-08 17:37:11,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:37:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:37:14,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 9198 conjuncts, 14 conjunts are in the unsatisfiable core [2019-09-08 17:37:15,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:37:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1772 trivial. 0 not checked. [2019-09-08 17:37:15,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:37:15,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-09-08 17:37:15,360 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 17:37:15,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 17:37:15,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:37:15,361 INFO L87 Difference]: Start difference. First operand 72091 states and 91279 transitions. Second operand 10 states. [2019-09-08 17:37:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:37:16,961 INFO L93 Difference]: Finished difference Result 145491 states and 184786 transitions. [2019-09-08 17:37:16,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 17:37:16,961 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 563 [2019-09-08 17:37:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:37:17,194 INFO L225 Difference]: With dead ends: 145491 [2019-09-08 17:37:17,195 INFO L226 Difference]: Without dead ends: 73435 [2019-09-08 17:37:17,331 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2019-09-08 17:37:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73435 states. [2019-09-08 17:37:21,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73435 to 72091. [2019-09-08 17:37:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72091 states. [2019-09-08 17:37:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72091 states to 72091 states and 91214 transitions. [2019-09-08 17:37:22,061 INFO L78 Accepts]: Start accepts. Automaton has 72091 states and 91214 transitions. Word has length 563 [2019-09-08 17:37:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:37:22,061 INFO L475 AbstractCegarLoop]: Abstraction has 72091 states and 91214 transitions. [2019-09-08 17:37:22,061 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 17:37:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 72091 states and 91214 transitions. [2019-09-08 17:37:22,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2019-09-08 17:37:22,222 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:37:22,223 INFO L399 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] [2019-09-08 17:37:22,223 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:37:22,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:37:22,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1865220062, now seen corresponding path program 1 times [2019-09-08 17:37:22,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:37:22,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:37:22,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:37:22,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:37:22,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:37:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:37:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 2 proven. 114 refuted. 0 times theorem prover too weak. 1732 trivial. 0 not checked. [2019-09-08 17:37:24,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:37:24,689 INFO L223 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 [2019-09-08 17:37:24,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:37:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2019-09-08 17:37:39,589 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:37:39,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2019-09-08 17:37:39,591 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 17:37:39,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 17:37:39,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 17:37:39,591 INFO L87 Difference]: Start difference. First operand 72091 states and 91214 transitions. Second operand 8 states. [2019-09-08 17:37:41,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:37:41,421 INFO L93 Difference]: Finished difference Result 144152 states and 182396 transitions. [2019-09-08 17:37:41,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 17:37:41,421 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 566 [2019-09-08 17:37:41,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:37:41,597 INFO L225 Difference]: With dead ends: 144152 [2019-09-08 17:37:41,597 INFO L226 Difference]: Without dead ends: 72094 [2019-09-08 17:37:41,698 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:37:41,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72094 states. [2019-09-08 17:37:43,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72094 to 72092. [2019-09-08 17:37:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72092 states. [2019-09-08 17:37:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72092 states to 72092 states and 91216 transitions. [2019-09-08 17:37:43,189 INFO L78 Accepts]: Start accepts. Automaton has 72092 states and 91216 transitions. Word has length 566 [2019-09-08 17:37:43,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:37:43,189 INFO L475 AbstractCegarLoop]: Abstraction has 72092 states and 91216 transitions. [2019-09-08 17:37:43,189 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 17:37:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 72092 states and 91216 transitions. [2019-09-08 17:37:43,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2019-09-08 17:37:43,274 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:37:43,275 INFO L399 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] [2019-09-08 17:37:43,275 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:37:43,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:37:43,275 INFO L82 PathProgramCache]: Analyzing trace with hash 526156346, now seen corresponding path program 2 times [2019-09-08 17:37:43,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:37:43,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:37:43,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:37:43,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 17:37:43,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:37:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:37:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2007 backedges. 2 proven. 158 refuted. 0 times theorem prover too weak. 1847 trivial. 0 not checked. [2019-09-08 17:37:45,431 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:37:45,431 INFO L223 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 [2019-09-08 17:37:45,447 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 17:38:11,791 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 17:38:11,791 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 17:38:12,708 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:38:12,708 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2019-09-08 17:38:12,709 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-08 17:38:12,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-08 17:38:12,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 17:38:12,710 INFO L87 Difference]: Start difference. First operand 72092 states and 91216 transitions. Second operand 9 states. [2019-09-08 17:38:14,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:38:14,647 INFO L93 Difference]: Finished difference Result 144156 states and 182402 transitions. [2019-09-08 17:38:14,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 17:38:14,648 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 572 [2019-09-08 17:38:14,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:38:14,860 INFO L225 Difference]: With dead ends: 144156 [2019-09-08 17:38:14,860 INFO L226 Difference]: Without dead ends: 72097 [2019-09-08 17:38:14,993 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-08 17:38:15,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72097 states. [2019-09-08 17:38:16,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72097 to 72093. [2019-09-08 17:38:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72093 states. [2019-09-08 17:38:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72093 states to 72093 states and 91218 transitions. [2019-09-08 17:38:16,568 INFO L78 Accepts]: Start accepts. Automaton has 72093 states and 91218 transitions. Word has length 572 [2019-09-08 17:38:16,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:38:16,568 INFO L475 AbstractCegarLoop]: Abstraction has 72093 states and 91218 transitions. [2019-09-08 17:38:16,569 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-08 17:38:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 72093 states and 91218 transitions. [2019-09-08 17:38:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2019-09-08 17:38:16,650 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:38:16,651 INFO L399 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] [2019-09-08 17:38:16,651 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:38:16,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:38:16,651 INFO L82 PathProgramCache]: Analyzing trace with hash 130757214, now seen corresponding path program 3 times [2019-09-08 17:38:16,651 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:38:16,651 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:38:16,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:38:16,654 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:38:16,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:38:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:38:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 2 proven. 213 refuted. 0 times theorem prover too weak. 1987 trivial. 0 not checked. [2019-09-08 17:38:23,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:38:23,630 INFO L223 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 [2019-09-08 17:38:23,646 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 17:43:29,077 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 25 check-sat command(s) [2019-09-08 17:43:29,078 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 17:43:30,618 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:43:30,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2019-09-08 17:43:30,620 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 17:43:30,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 17:43:30,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 17:43:30,621 INFO L87 Difference]: Start difference. First operand 72093 states and 91218 transitions. Second operand 10 states. [2019-09-08 17:43:32,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:43:32,301 INFO L93 Difference]: Finished difference Result 144160 states and 182408 transitions. [2019-09-08 17:43:32,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 17:43:32,302 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 578 [2019-09-08 17:43:32,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:43:32,490 INFO L225 Difference]: With dead ends: 144160 [2019-09-08 17:43:32,490 INFO L226 Difference]: Without dead ends: 72100 [2019-09-08 17:43:32,575 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-09-08 17:43:32,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72100 states. [2019-09-08 17:43:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72100 to 72094. [2019-09-08 17:43:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72094 states. [2019-09-08 17:43:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72094 states to 72094 states and 91220 transitions. [2019-09-08 17:43:34,090 INFO L78 Accepts]: Start accepts. Automaton has 72094 states and 91220 transitions. Word has length 578 [2019-09-08 17:43:34,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:43:34,091 INFO L475 AbstractCegarLoop]: Abstraction has 72094 states and 91220 transitions. [2019-09-08 17:43:34,091 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 17:43:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 72094 states and 91220 transitions. [2019-09-08 17:43:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 585 [2019-09-08 17:43:34,188 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:43:34,189 INFO L399 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] [2019-09-08 17:43:34,189 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:43:34,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:43:34,189 INFO L82 PathProgramCache]: Analyzing trace with hash -488581958, now seen corresponding path program 4 times [2019-09-08 17:43:34,189 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:43:34,189 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:43:34,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:43:34,191 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:43:34,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:43:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:43:43,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2433 backedges. 2 proven. 279 refuted. 0 times theorem prover too weak. 2152 trivial. 0 not checked. [2019-09-08 17:43:43,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:43:43,233 INFO L223 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 [2019-09-08 17:43:43,250 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2019-09-08 17:43:57,357 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-09-08 17:43:57,357 INFO L250 tOrderPrioritization]: Conjunction of SSA is unknown [2019-09-08 17:43:58,253 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2019-09-08 17:43:58,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2019-09-08 17:43:58,255 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 17:43:58,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 17:43:58,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-09-08 17:43:58,256 INFO L87 Difference]: Start difference. First operand 72094 states and 91220 transitions. Second operand 11 states. [2019-09-08 17:43:59,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:43:59,708 INFO L93 Difference]: Finished difference Result 144164 states and 182414 transitions. [2019-09-08 17:43:59,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 17:43:59,708 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 584 [2019-09-08 17:43:59,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:43:59,929 INFO L225 Difference]: With dead ends: 144164 [2019-09-08 17:43:59,929 INFO L226 Difference]: Without dead ends: 72103 [2019-09-08 17:44:00,045 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2019-09-08 17:44:00,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72103 states. [2019-09-08 17:44:01,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72103 to 72095. [2019-09-08 17:44:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72095 states. [2019-09-08 17:44:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72095 states to 72095 states and 91222 transitions. [2019-09-08 17:44:01,993 INFO L78 Accepts]: Start accepts. Automaton has 72095 states and 91222 transitions. Word has length 584 [2019-09-08 17:44:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:44:01,993 INFO L475 AbstractCegarLoop]: Abstraction has 72095 states and 91222 transitions. [2019-09-08 17:44:01,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 17:44:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 72095 states and 91222 transitions. [2019-09-08 17:44:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2019-09-08 17:44:02,082 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:44:02,082 INFO L399 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] [2019-09-08 17:44:02,083 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:44:02,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:44:02,083 INFO L82 PathProgramCache]: Analyzing trace with hash 92652766, now seen corresponding path program 5 times [2019-09-08 17:44:02,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:44:02,083 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:44:02,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:44:02,085 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:44:02,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:44:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:44:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 2 proven. 356 refuted. 0 times theorem prover too weak. 2342 trivial. 0 not checked. [2019-09-08 17:44:04,877 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:44:04,877 INFO L223 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 [2019-09-08 17:44:04,894 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2019-09-08 17:44:05,262 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-09-08 17:44:05,262 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 17:44:05,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-08 17:44:05,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 17:44:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 1291 proven. 21 refuted. 0 times theorem prover too weak. 1388 trivial. 0 not checked. [2019-09-08 17:44:05,691 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 17:44:05,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2019-09-08 17:44:05,693 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-08 17:44:05,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-08 17:44:05,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2019-09-08 17:44:05,693 INFO L87 Difference]: Start difference. First operand 72095 states and 91222 transitions. Second operand 21 states. [2019-09-08 17:44:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 17:44:07,906 INFO L93 Difference]: Finished difference Result 144171 states and 182425 transitions. [2019-09-08 17:44:07,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-08 17:44:07,907 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 590 [2019-09-08 17:44:07,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 17:44:08,148 INFO L225 Difference]: With dead ends: 144171 [2019-09-08 17:44:08,149 INFO L226 Difference]: Without dead ends: 72104 [2019-09-08 17:44:08,259 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 582 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=670, Unknown=0, NotChecked=0, Total=812 [2019-09-08 17:44:08,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72104 states. [2019-09-08 17:44:10,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72104 to 72096. [2019-09-08 17:44:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72096 states. [2019-09-08 17:44:10,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72096 states to 72096 states and 91223 transitions. [2019-09-08 17:44:10,579 INFO L78 Accepts]: Start accepts. Automaton has 72096 states and 91223 transitions. Word has length 590 [2019-09-08 17:44:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 17:44:10,579 INFO L475 AbstractCegarLoop]: Abstraction has 72096 states and 91223 transitions. [2019-09-08 17:44:10,579 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-08 17:44:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 72096 states and 91223 transitions. [2019-09-08 17:44:10,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 603 [2019-09-08 17:44:10,665 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 17:44:10,665 INFO L399 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] [2019-09-08 17:44:10,665 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 17:44:10,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 17:44:10,666 INFO L82 PathProgramCache]: Analyzing trace with hash 396923642, now seen corresponding path program 6 times [2019-09-08 17:44:10,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 17:44:10,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 17:44:10,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:44:10,668 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 17:44:10,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 17:44:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 17:44:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 3342 backedges. 179 proven. 315 refuted. 0 times theorem prover too weak. 2848 trivial. 0 not checked. [2019-09-08 17:44:12,610 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 17:44:12,611 INFO L223 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 [2019-09-08 17:44:12,641 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2019-09-08 17:46:55,781 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2019-09-08 17:46:55,781 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat