java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 18:48:40,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 18:48:40,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 18:48:40,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 18:48:40,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 18:48:40,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 18:48:40,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 18:48:40,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 18:48:40,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 18:48:40,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 18:48:40,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 18:48:40,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 18:48:40,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 18:48:40,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 18:48:40,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 18:48:40,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 18:48:40,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 18:48:40,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 18:48:40,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 18:48:40,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 18:48:40,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 18:48:40,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 18:48:40,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 18:48:40,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 18:48:40,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 18:48:40,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 18:48:40,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 18:48:40,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 18:48:40,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 18:48:40,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 18:48:40,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 18:48:40,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 18:48:40,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 18:48:40,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 18:48:40,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 18:48:40,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 18:48:40,696 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 18:48:40,696 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 18:48:40,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 18:48:40,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 18:48:40,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 18:48:40,702 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 18:48:40,728 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 18:48:40,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 18:48:40,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 18:48:40,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 18:48:40,731 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 18:48:40,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 18:48:40,732 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 18:48:40,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 18:48:40,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 18:48:40,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 18:48:40,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 18:48:40,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 18:48:40,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 18:48:40,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 18:48:40,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 18:48:40,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 18:48:40,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 18:48:40,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 18:48:40,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 18:48:40,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 18:48:40,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 18:48:40,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 18:48:40,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 18:48:40,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 18:48:40,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 18:48:40,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 18:48:40,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 18:48:40,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 18:48:40,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 18:48:40,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 18:48:40,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 18:48:40,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 18:48:40,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 18:48:40,814 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 18:48:40,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-09-08 18:48:40,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996352865/2a6ccc74a6644b0dacc8aae448655b30/FLAG344bcb774 [2019-09-08 18:48:41,796 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 18:48:41,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-09-08 18:48:41,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996352865/2a6ccc74a6644b0dacc8aae448655b30/FLAG344bcb774 [2019-09-08 18:48:42,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/996352865/2a6ccc74a6644b0dacc8aae448655b30 [2019-09-08 18:48:42,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 18:48:42,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 18:48:42,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 18:48:42,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 18:48:42,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 18:48:42,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:48:42" (1/1) ... [2019-09-08 18:48:42,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afaee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:42, skipping insertion in model container [2019-09-08 18:48:42,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:48:42" (1/1) ... [2019-09-08 18:48:42,245 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 18:48:42,381 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 18:48:45,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 18:48:45,355 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 18:48:45,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 18:48:46,205 INFO L192 MainTranslator]: Completed translation [2019-09-08 18:48:46,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46 WrapperNode [2019-09-08 18:48:46,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 18:48:46,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 18:48:46,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 18:48:46,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 18:48:46,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... [2019-09-08 18:48:46,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... [2019-09-08 18:48:46,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... [2019-09-08 18:48:46,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... [2019-09-08 18:48:46,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... [2019-09-08 18:48:46,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... [2019-09-08 18:48:46,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... [2019-09-08 18:48:46,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 18:48:46,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 18:48:46,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 18:48:46,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 18:48:46,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 18:48:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 18:48:46,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 18:48:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 18:48:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 18:48:46,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-09-08 18:48:46,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-09-08 18:48:46,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-09-08 18:48:46,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 18:48:46,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-08 18:48:46,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 18:48:46,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 18:48:46,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-09-08 18:48:46,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-09-08 18:48:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 18:48:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 18:48:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 18:48:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 18:48:46,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 18:48:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-08 18:48:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 18:48:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 18:48:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-08 18:48:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-08 18:48:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-08 18:48:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-08 18:48:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 18:48:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 18:48:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-09-08 18:48:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-09-08 18:48:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2019-09-08 18:48:46,691 INFO L138 BoogieDeclarations]: Found implementation of procedure tda1004x_writereg [2019-09-08 18:48:46,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2019-09-08 18:48:46,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-09-08 18:48:46,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_cmd [2019-09-08 18:48:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_result [2019-09-08 18:48:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_i2c_msg [2019-09-08 18:48:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure master_xfer [2019-09-08 18:48:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_boot_dsp [2019-09-08 18:48:46,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_set_channel [2019-09-08 18:48:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_del_channel [2019-09-08 18:48:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_controller [2019-09-08 18:48:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_update_lnb [2019-09-08 18:48:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_set_voltage [2019-09-08 18:48:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_process_muxpack [2019-09-08 18:48:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_process_frame [2019-09-08 18:48:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_iso_irq [2019-09-08 18:48:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_free_iso_urbs [2019-09-08 18:48:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_alloc_iso_urbs [2019-09-08 18:48:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_iso_xfer [2019-09-08 18:48:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_start_iso_xfer [2019-09-08 18:48:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_start_feed [2019-09-08 18:48:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_feed [2019-09-08 18:48:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_setup_interfaces [2019-09-08 18:48:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure functionality [2019-09-08 18:48:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_tdmb7_tuner_set_params [2019-09-08 18:48:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_tuner_init [2019-09-08 18:48:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_tuner_set_params [2019-09-08 18:48:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_request_firmware [2019-09-08 18:48:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_stv0299_set_symbol_rate [2019-09-08 18:48:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tsa5059_tuner_set_params [2019-09-08 18:48:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_novas_grundig_29504_491_tuner_set_params [2019-09-08 18:48:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_tdbe2_tuner_set_params [2019-09-08 18:48:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pwm [2019-09-08 18:48:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dvbc_philips_tdm1316l_tuner_set_params [2019-09-08 18:48:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_init [2019-09-08 18:48:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_probe [2019-09-08 18:48:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_disconnect [2019-09-08 18:48:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_driver_init [2019-09-08 18:48:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_driver_exit [2019-09-08 18:48:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-09-08 18:48:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_2 [2019-09-08 18:48:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 18:48:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-09-08 18:48:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-09-08 18:48:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-09-08 18:48:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-09-08 18:48:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-09-08 18:48:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-09-08 18:48:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-09-08 18:48:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-09-08 18:48:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-09-08 18:48:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-09-08 18:48:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-09-08 18:48:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-09-08 18:48:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-09-08 18:48:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_18 [2019-09-08 18:48:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-09-08 18:48:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-09-08 18:48:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-09-08 18:48:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-09-08 18:48:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_23 [2019-09-08 18:48:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_24 [2019-09-08 18:48:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-08 18:48:46,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 18:48:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 18:48:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 18:48:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 18:48:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 18:48:46,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-08 18:48:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-08 18:48:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-08 18:48:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-08 18:48:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-08 18:48:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-08 18:48:46,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-08 18:48:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-08 18:48:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-08 18:48:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-08 18:48:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-08 18:48:46,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-09-08 18:48:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-09-08 18:48:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-09-08 18:48:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-09-08 18:48:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-08 18:48:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-09-08 18:48:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-09-08 18:48:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-09-08 18:48:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-09-08 18:48:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-09-08 18:48:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-09-08 18:48:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 18:48:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 18:48:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 18:48:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 18:48:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 18:48:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 18:48:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 18:48:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-09-08 18:48:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-08 18:48:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-08 18:48:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-08 18:48:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_semi2c_of_ttusb [2019-09-08 18:48:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_semi2c_of_ttusb [2019-09-08 18:48:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_semi2c_of_ttusb [2019-09-08 18:48:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_semi2c_of_ttusb [2019-09-08 18:48:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_semi2c_of_ttusb [2019-09-08 18:48:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_semi2c_of_ttusb [2019-09-08 18:48:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_semi2c_of_ttusb [2019-09-08 18:48:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_semi2c_of_ttusb [2019-09-08 18:48:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_semi2c_of_ttusb [2019-09-08 18:48:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_semi2c_of_ttusb [2019-09-08 18:48:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_semi2c_of_ttusb [2019-09-08 18:48:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_semusb_of_ttusb [2019-09-08 18:48:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_semusb_of_ttusb [2019-09-08 18:48:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_semusb_of_ttusb [2019-09-08 18:48:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_semusb_of_ttusb [2019-09-08 18:48:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_semusb_of_ttusb [2019-09-08 18:48:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_semusb_of_ttusb [2019-09-08 18:48:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_semusb_of_ttusb [2019-09-08 18:48:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_semusb_of_ttusb [2019-09-08 18:48:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_semusb_of_ttusb [2019-09-08 18:48:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_semusb_of_ttusb [2019-09-08 18:48:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_semusb_of_ttusb [2019-09-08 18:48:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 18:48:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-09-08 18:48:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-09-08 18:48:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-09-08 18:48:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-09-08 18:48:46,807 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2019-09-08 18:48:46,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-09-08 18:48:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-09-08 18:48:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-09-08 18:48:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-09-08 18:48:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-09-08 18:48:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-09-08 18:48:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_adapter [2019-09-08 18:48:46,809 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-09-08 18:48:46,810 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 18:48:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-08 18:48:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-08 18:48:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-09-08 18:48:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-09-08 18:48:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 18:48:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-08 18:48:46,811 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 18:48:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 18:48:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-09-08 18:48:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-09-08 18:48:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 18:48:46,812 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 18:48:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 18:48:46,813 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 18:48:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 18:48:46,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-08 18:48:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 18:48:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 18:48:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-08 18:48:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 18:48:46,814 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 18:48:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 18:48:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 18:48:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-08 18:48:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-08 18:48:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-09-08 18:48:46,815 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-09-08 18:48:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-09-08 18:48:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-09-08 18:48:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-09-08 18:48:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-09-08 18:48:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-09-08 18:48:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-09-08 18:48:46,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-09-08 18:48:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-09-08 18:48:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-09-08 18:48:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-09-08 18:48:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-09-08 18:48:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-09-08 18:48:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-09-08 18:48:46,817 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 18:48:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 18:48:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 18:48:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 18:48:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 18:48:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 18:48:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 18:48:46,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 18:48:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 18:48:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 18:48:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-09-08 18:48:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-09-08 18:48:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 18:48:46,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 18:48:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 18:48:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 18:48:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 18:48:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-09-08 18:48:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-09-08 18:48:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_18 [2019-09-08 18:48:46,820 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-09-08 18:48:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-09-08 18:48:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-09-08 18:48:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-09-08 18:48:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-09-08 18:48:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_semi2c_of_ttusb [2019-09-08 18:48:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_semi2c_of_ttusb [2019-09-08 18:48:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_semi2c_of_ttusb [2019-09-08 18:48:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_semusb_of_ttusb [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_semusb_of_ttusb [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_2 [2019-09-08 18:48:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-09-08 18:48:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-09-08 18:48:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-09-08 18:48:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-09-08 18:48:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-08 18:48:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 18:48:46,824 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-08 18:48:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 18:48:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-08 18:48:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-08 18:48:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 18:48:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 18:48:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_23 [2019-09-08 18:48:46,825 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 18:48:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_24 [2019-09-08 18:48:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-09-08 18:48:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-08 18:48:46,826 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-09-08 18:48:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 18:48:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-09-08 18:48:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-09-08 18:48:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 18:48:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-08 18:48:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-08 18:48:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-09-08 18:48:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-09-08 18:48:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-09-08 18:48:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_adapter [2019-09-08 18:48:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2019-09-08 18:48:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-09-08 18:48:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-09-08 18:48:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-09-08 18:48:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-09-08 18:48:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2019-09-08 18:48:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-09-08 18:48:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-09-08 18:48:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-09-08 18:48:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure tda1004x_writereg [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 18:48:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-09-08 18:48:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 18:48:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 18:48:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2019-09-08 18:48:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-09-08 18:48:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_cmd [2019-09-08 18:48:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_result [2019-09-08 18:48:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_i2c_msg [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure master_xfer [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_boot_dsp [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_set_channel [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_del_channel [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_controller [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_update_lnb [2019-09-08 18:48:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_set_voltage [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_process_muxpack [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_process_frame [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_iso_irq [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_free_iso_urbs [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_alloc_iso_urbs [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_iso_xfer [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_start_iso_xfer [2019-09-08 18:48:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_start_feed [2019-09-08 18:48:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_feed [2019-09-08 18:48:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_setup_interfaces [2019-09-08 18:48:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure functionality [2019-09-08 18:48:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure alps_tdmb7_tuner_set_params [2019-09-08 18:48:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-08 18:48:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_tuner_init [2019-09-08 18:48:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_tuner_set_params [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_request_firmware [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure alps_stv0299_set_symbol_rate [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tsa5059_tuner_set_params [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_novas_grundig_29504_491_tuner_set_params [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure alps_tdbe2_tuner_set_params [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure read_pwm [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure dvbc_philips_tdm1316l_tuner_set_params [2019-09-08 18:48:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_init [2019-09-08 18:48:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-09-08 18:48:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-09-08 18:48:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-09-08 18:48:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_probe [2019-09-08 18:48:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-08 18:48:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_disconnect [2019-09-08 18:48:46,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_driver_init [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_driver_exit [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 18:48:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 18:48:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 18:48:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 18:48:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 18:48:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-09-08 18:48:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-09-08 18:48:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-09-08 18:48:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-09-08 18:48:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-09-08 18:48:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-09-08 18:48:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-09-08 18:48:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-09-08 18:48:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-09-08 18:48:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-09-08 18:48:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-09-08 18:48:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-09-08 18:48:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-09-08 18:48:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-09-08 18:48:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-09-08 18:48:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-09-08 18:48:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-09-08 18:48:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-09-08 18:48:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-09-08 18:48:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_semi2c_of_ttusb [2019-09-08 18:48:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_semi2c_of_ttusb [2019-09-08 18:48:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_semi2c_of_ttusb [2019-09-08 18:48:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_semi2c_of_ttusb [2019-09-08 18:48:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_semi2c_of_ttusb [2019-09-08 18:48:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_semi2c_of_ttusb [2019-09-08 18:48:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_semi2c_of_ttusb [2019-09-08 18:48:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_semi2c_of_ttusb [2019-09-08 18:48:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_semusb_of_ttusb [2019-09-08 18:48:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_semusb_of_ttusb [2019-09-08 18:48:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_semusb_of_ttusb [2019-09-08 18:48:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_semusb_of_ttusb [2019-09-08 18:48:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_semusb_of_ttusb [2019-09-08 18:48:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_semusb_of_ttusb [2019-09-08 18:48:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_semusb_of_ttusb [2019-09-08 18:48:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_semusb_of_ttusb [2019-09-08 18:48:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_semusb_of_ttusb [2019-09-08 18:48:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 18:48:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 18:48:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 18:48:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 18:48:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 18:48:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 18:48:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 18:48:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 18:48:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 18:48:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 18:48:48,202 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 18:49:01,024 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 18:49:01,026 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-08 18:49:01,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:49:01 BoogieIcfgContainer [2019-09-08 18:49:01,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 18:49:01,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 18:49:01,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 18:49:01,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 18:49:01,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:48:42" (1/3) ... [2019-09-08 18:49:01,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6969cdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:49:01, skipping insertion in model container [2019-09-08 18:49:01,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:48:46" (2/3) ... [2019-09-08 18:49:01,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6969cdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:49:01, skipping insertion in model container [2019-09-08 18:49:01,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:49:01" (3/3) ... [2019-09-08 18:49:01,039 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-09-08 18:49:01,050 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 18:49:01,062 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 18:49:01,079 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 18:49:01,123 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 18:49:01,124 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 18:49:01,124 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 18:49:01,124 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 18:49:01,124 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 18:49:01,125 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 18:49:01,125 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 18:49:01,125 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 18:49:01,125 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 18:49:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states. [2019-09-08 18:49:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-09-08 18:49:01,219 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:01,222 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:01,224 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:01,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:01,231 INFO L82 PathProgramCache]: Analyzing trace with hash -146112262, now seen corresponding path program 1 times [2019-09-08 18:49:01,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:01,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:01,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:01,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:01,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-09-08 18:49:02,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:02,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:02,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:02,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:02,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:02,339 INFO L87 Difference]: Start difference. First operand 1460 states. Second operand 3 states. [2019-09-08 18:49:05,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:05,017 INFO L93 Difference]: Finished difference Result 3258 states and 4507 transitions. [2019-09-08 18:49:05,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:05,019 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-09-08 18:49:05,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:05,069 INFO L225 Difference]: With dead ends: 3258 [2019-09-08 18:49:05,069 INFO L226 Difference]: Without dead ends: 2140 [2019-09-08 18:49:05,087 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 18:49:05,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-09-08 18:49:05,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2133. [2019-09-08 18:49:05,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-09-08 18:49:05,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2821 transitions. [2019-09-08 18:49:05,375 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2821 transitions. Word has length 126 [2019-09-08 18:49:05,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:05,377 INFO L475 AbstractCegarLoop]: Abstraction has 2133 states and 2821 transitions. [2019-09-08 18:49:05,377 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2821 transitions. [2019-09-08 18:49:05,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-09-08 18:49:05,385 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:05,386 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:05,386 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:05,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:05,387 INFO L82 PathProgramCache]: Analyzing trace with hash 996268463, now seen corresponding path program 1 times [2019-09-08 18:49:05,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:05,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:05,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:05,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:05,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-09-08 18:49:05,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:05,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:05,884 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:05,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:05,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:05,885 INFO L87 Difference]: Start difference. First operand 2133 states and 2821 transitions. Second operand 3 states. [2019-09-08 18:49:06,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:06,271 INFO L93 Difference]: Finished difference Result 6301 states and 8335 transitions. [2019-09-08 18:49:06,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:06,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-09-08 18:49:06,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:06,300 INFO L225 Difference]: With dead ends: 6301 [2019-09-08 18:49:06,301 INFO L226 Difference]: Without dead ends: 4200 [2019-09-08 18:49:06,311 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 18:49:06,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4200 states. [2019-09-08 18:49:06,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4200 to 4169. [2019-09-08 18:49:06,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4169 states. [2019-09-08 18:49:06,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 5519 transitions. [2019-09-08 18:49:06,522 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 5519 transitions. Word has length 135 [2019-09-08 18:49:06,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:06,523 INFO L475 AbstractCegarLoop]: Abstraction has 4169 states and 5519 transitions. [2019-09-08 18:49:06,523 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:06,523 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 5519 transitions. [2019-09-08 18:49:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-09-08 18:49:06,526 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:06,526 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:06,526 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:06,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:06,527 INFO L82 PathProgramCache]: Analyzing trace with hash 185309670, now seen corresponding path program 1 times [2019-09-08 18:49:06,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:06,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:06,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:06,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:06,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:07,016 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-09-08 18:49:07,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:07,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:07,017 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:07,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:07,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:07,018 INFO L87 Difference]: Start difference. First operand 4169 states and 5519 transitions. Second operand 3 states. [2019-09-08 18:49:07,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:07,515 INFO L93 Difference]: Finished difference Result 12326 states and 16307 transitions. [2019-09-08 18:49:07,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:07,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-09-08 18:49:07,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:07,574 INFO L225 Difference]: With dead ends: 12326 [2019-09-08 18:49:07,574 INFO L226 Difference]: Without dead ends: 8197 [2019-09-08 18:49:07,596 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 18:49:07,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8197 states. [2019-09-08 18:49:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8197 to 8151. [2019-09-08 18:49:07,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8151 states. [2019-09-08 18:49:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8151 states to 8151 states and 10783 transitions. [2019-09-08 18:49:07,942 INFO L78 Accepts]: Start accepts. Automaton has 8151 states and 10783 transitions. Word has length 142 [2019-09-08 18:49:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:07,943 INFO L475 AbstractCegarLoop]: Abstraction has 8151 states and 10783 transitions. [2019-09-08 18:49:07,943 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 8151 states and 10783 transitions. [2019-09-08 18:49:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-08 18:49:07,945 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:07,946 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:07,946 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:07,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:07,946 INFO L82 PathProgramCache]: Analyzing trace with hash -439896875, now seen corresponding path program 1 times [2019-09-08 18:49:07,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:07,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:07,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:07,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:07,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:08,335 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-09-08 18:49:08,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:08,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:08,336 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:08,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:08,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:08,337 INFO L87 Difference]: Start difference. First operand 8151 states and 10783 transitions. Second operand 3 states. [2019-09-08 18:49:08,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:08,505 INFO L93 Difference]: Finished difference Result 8153 states and 10784 transitions. [2019-09-08 18:49:08,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:08,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-08 18:49:08,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:08,554 INFO L225 Difference]: With dead ends: 8153 [2019-09-08 18:49:08,555 INFO L226 Difference]: Without dead ends: 8150 [2019-09-08 18:49:08,560 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 18:49:08,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8150 states. [2019-09-08 18:49:08,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8150 to 8150. [2019-09-08 18:49:08,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8150 states. [2019-09-08 18:49:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8150 states to 8150 states and 10781 transitions. [2019-09-08 18:49:08,929 INFO L78 Accepts]: Start accepts. Automaton has 8150 states and 10781 transitions. Word has length 146 [2019-09-08 18:49:08,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:08,930 INFO L475 AbstractCegarLoop]: Abstraction has 8150 states and 10781 transitions. [2019-09-08 18:49:08,930 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 8150 states and 10781 transitions. [2019-09-08 18:49:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-09-08 18:49:08,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:08,933 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:08,934 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:08,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:08,934 INFO L82 PathProgramCache]: Analyzing trace with hash -752431567, now seen corresponding path program 1 times [2019-09-08 18:49:08,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:08,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:08,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:08,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:08,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-09-08 18:49:10,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:10,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:10,211 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:10,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:10,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:10,212 INFO L87 Difference]: Start difference. First operand 8150 states and 10781 transitions. Second operand 3 states. [2019-09-08 18:49:10,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:10,413 INFO L93 Difference]: Finished difference Result 8152 states and 10782 transitions. [2019-09-08 18:49:10,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:10,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-09-08 18:49:10,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:10,459 INFO L225 Difference]: With dead ends: 8152 [2019-09-08 18:49:10,459 INFO L226 Difference]: Without dead ends: 8149 [2019-09-08 18:49:10,466 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 18:49:10,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8149 states. [2019-09-08 18:49:10,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8149 to 8149. [2019-09-08 18:49:10,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8149 states. [2019-09-08 18:49:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8149 states to 8149 states and 10779 transitions. [2019-09-08 18:49:10,854 INFO L78 Accepts]: Start accepts. Automaton has 8149 states and 10779 transitions. Word has length 147 [2019-09-08 18:49:10,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:10,855 INFO L475 AbstractCegarLoop]: Abstraction has 8149 states and 10779 transitions. [2019-09-08 18:49:10,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 8149 states and 10779 transitions. [2019-09-08 18:49:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-09-08 18:49:10,859 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:10,859 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:10,859 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:10,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:10,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1851067560, now seen corresponding path program 1 times [2019-09-08 18:49:10,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:10,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:10,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:10,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:10,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-09-08 18:49:11,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:11,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:11,210 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:11,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:11,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:11,210 INFO L87 Difference]: Start difference. First operand 8149 states and 10779 transitions. Second operand 3 states. [2019-09-08 18:49:11,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:11,434 INFO L93 Difference]: Finished difference Result 8151 states and 10780 transitions. [2019-09-08 18:49:11,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:11,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-09-08 18:49:11,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:11,473 INFO L225 Difference]: With dead ends: 8151 [2019-09-08 18:49:11,474 INFO L226 Difference]: Without dead ends: 8148 [2019-09-08 18:49:11,479 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 18:49:11,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8148 states. [2019-09-08 18:49:11,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8148 to 8148. [2019-09-08 18:49:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8148 states. [2019-09-08 18:49:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8148 states to 8148 states and 10777 transitions. [2019-09-08 18:49:11,832 INFO L78 Accepts]: Start accepts. Automaton has 8148 states and 10777 transitions. Word has length 148 [2019-09-08 18:49:11,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:11,832 INFO L475 AbstractCegarLoop]: Abstraction has 8148 states and 10777 transitions. [2019-09-08 18:49:11,833 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 8148 states and 10777 transitions. [2019-09-08 18:49:11,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-08 18:49:11,835 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:11,835 INFO L399 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:11,836 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:11,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:11,836 INFO L82 PathProgramCache]: Analyzing trace with hash -567448306, now seen corresponding path program 1 times [2019-09-08 18:49:11,836 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:11,836 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:11,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:11,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:11,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-09-08 18:49:12,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:12,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:12,251 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:12,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:12,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:12,252 INFO L87 Difference]: Start difference. First operand 8148 states and 10777 transitions. Second operand 3 states. [2019-09-08 18:49:13,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:13,126 INFO L93 Difference]: Finished difference Result 17814 states and 23540 transitions. [2019-09-08 18:49:13,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:13,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-09-08 18:49:13,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:13,192 INFO L225 Difference]: With dead ends: 17814 [2019-09-08 18:49:13,193 INFO L226 Difference]: Without dead ends: 9706 [2019-09-08 18:49:13,230 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 18:49:13,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9706 states. [2019-09-08 18:49:13,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9706 to 9644. [2019-09-08 18:49:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9644 states. [2019-09-08 18:49:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9644 states to 9644 states and 12731 transitions. [2019-09-08 18:49:13,745 INFO L78 Accepts]: Start accepts. Automaton has 9644 states and 12731 transitions. Word has length 150 [2019-09-08 18:49:13,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:13,750 INFO L475 AbstractCegarLoop]: Abstraction has 9644 states and 12731 transitions. [2019-09-08 18:49:13,750 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 9644 states and 12731 transitions. [2019-09-08 18:49:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-08 18:49:13,753 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:13,753 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:13,754 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:13,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:13,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1549040108, now seen corresponding path program 1 times [2019-09-08 18:49:13,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:13,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:13,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:13,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:13,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:14,204 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-09-08 18:49:14,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:14,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:14,209 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:14,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:14,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:14,210 INFO L87 Difference]: Start difference. First operand 9644 states and 12731 transitions. Second operand 3 states. [2019-09-08 18:49:14,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:14,831 INFO L93 Difference]: Finished difference Result 25883 states and 34650 transitions. [2019-09-08 18:49:14,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:14,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-09-08 18:49:14,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:14,926 INFO L225 Difference]: With dead ends: 25883 [2019-09-08 18:49:14,926 INFO L226 Difference]: Without dead ends: 16283 [2019-09-08 18:49:14,974 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 18:49:15,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16283 states. [2019-09-08 18:49:15,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16283 to 16200. [2019-09-08 18:49:15,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16200 states. [2019-09-08 18:49:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16200 states to 16200 states and 21555 transitions. [2019-09-08 18:49:15,886 INFO L78 Accepts]: Start accepts. Automaton has 16200 states and 21555 transitions. Word has length 149 [2019-09-08 18:49:15,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:15,886 INFO L475 AbstractCegarLoop]: Abstraction has 16200 states and 21555 transitions. [2019-09-08 18:49:15,887 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 16200 states and 21555 transitions. [2019-09-08 18:49:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-08 18:49:15,890 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:15,890 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:15,890 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:15,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:15,891 INFO L82 PathProgramCache]: Analyzing trace with hash -776118821, now seen corresponding path program 1 times [2019-09-08 18:49:15,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:15,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:15,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:15,900 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:15,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-09-08 18:49:16,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:16,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:16,366 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:16,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:16,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:16,367 INFO L87 Difference]: Start difference. First operand 16200 states and 21555 transitions. Second operand 3 states. [2019-09-08 18:49:17,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:17,399 INFO L93 Difference]: Finished difference Result 47194 states and 66511 transitions. [2019-09-08 18:49:17,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:17,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-09-08 18:49:17,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:17,593 INFO L225 Difference]: With dead ends: 47194 [2019-09-08 18:49:17,593 INFO L226 Difference]: Without dead ends: 31019 [2019-09-08 18:49:17,700 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 18:49:17,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31019 states. [2019-09-08 18:49:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31019 to 30314. [2019-09-08 18:49:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30314 states. [2019-09-08 18:49:19,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30314 states to 30314 states and 42078 transitions. [2019-09-08 18:49:19,228 INFO L78 Accepts]: Start accepts. Automaton has 30314 states and 42078 transitions. Word has length 150 [2019-09-08 18:49:19,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:19,229 INFO L475 AbstractCegarLoop]: Abstraction has 30314 states and 42078 transitions. [2019-09-08 18:49:19,229 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:19,229 INFO L276 IsEmpty]: Start isEmpty. Operand 30314 states and 42078 transitions. [2019-09-08 18:49:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-09-08 18:49:19,239 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:19,239 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:19,239 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:19,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:19,240 INFO L82 PathProgramCache]: Analyzing trace with hash -440748793, now seen corresponding path program 1 times [2019-09-08 18:49:19,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:19,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:19,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:19,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:19,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-09-08 18:49:19,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:19,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:19,713 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:19,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:19,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:19,713 INFO L87 Difference]: Start difference. First operand 30314 states and 42078 transitions. Second operand 3 states. [2019-09-08 18:49:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:23,923 INFO L93 Difference]: Finished difference Result 60616 states and 84443 transitions. [2019-09-08 18:49:23,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:23,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-09-08 18:49:23,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:24,079 INFO L225 Difference]: With dead ends: 60616 [2019-09-08 18:49:24,079 INFO L226 Difference]: Without dead ends: 30346 [2019-09-08 18:49:24,168 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 18:49:24,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30346 states. [2019-09-08 18:49:25,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30346 to 30113. [2019-09-08 18:49:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30113 states. [2019-09-08 18:49:25,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30113 states to 30113 states and 41036 transitions. [2019-09-08 18:49:25,384 INFO L78 Accepts]: Start accepts. Automaton has 30113 states and 41036 transitions. Word has length 216 [2019-09-08 18:49:25,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:25,385 INFO L475 AbstractCegarLoop]: Abstraction has 30113 states and 41036 transitions. [2019-09-08 18:49:25,385 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:25,386 INFO L276 IsEmpty]: Start isEmpty. Operand 30113 states and 41036 transitions. [2019-09-08 18:49:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-09-08 18:49:25,394 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:25,395 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:25,395 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:25,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:25,396 INFO L82 PathProgramCache]: Analyzing trace with hash -951282970, now seen corresponding path program 1 times [2019-09-08 18:49:25,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:25,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:25,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:25,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:25,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-09-08 18:49:26,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:26,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 18:49:26,282 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:49:26,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:49:26,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:26,283 INFO L87 Difference]: Start difference. First operand 30113 states and 41036 transitions. Second operand 7 states. [2019-09-08 18:49:26,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:26,937 INFO L93 Difference]: Finished difference Result 31241 states and 42419 transitions. [2019-09-08 18:49:26,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:49:26,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 216 [2019-09-08 18:49:26,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:27,049 INFO L225 Difference]: With dead ends: 31241 [2019-09-08 18:49:27,050 INFO L226 Difference]: Without dead ends: 28626 [2019-09-08 18:49:27,070 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:27,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28626 states. [2019-09-08 18:49:28,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28626 to 28626. [2019-09-08 18:49:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28626 states. [2019-09-08 18:49:28,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28626 states to 28626 states and 38862 transitions. [2019-09-08 18:49:28,156 INFO L78 Accepts]: Start accepts. Automaton has 28626 states and 38862 transitions. Word has length 216 [2019-09-08 18:49:28,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:28,157 INFO L475 AbstractCegarLoop]: Abstraction has 28626 states and 38862 transitions. [2019-09-08 18:49:28,157 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:49:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 28626 states and 38862 transitions. [2019-09-08 18:49:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-09-08 18:49:28,170 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:28,170 INFO L399 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:28,171 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:28,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:28,171 INFO L82 PathProgramCache]: Analyzing trace with hash 1806354581, now seen corresponding path program 1 times [2019-09-08 18:49:28,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:28,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:28,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:28,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:28,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-09-08 18:49:29,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:29,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:29,734 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:29,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:29,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:29,734 INFO L87 Difference]: Start difference. First operand 28626 states and 38862 transitions. Second operand 3 states. [2019-09-08 18:49:32,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:32,613 INFO L93 Difference]: Finished difference Result 43302 states and 58722 transitions. [2019-09-08 18:49:32,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:32,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 223 [2019-09-08 18:49:32,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:32,671 INFO L225 Difference]: With dead ends: 43302 [2019-09-08 18:49:32,671 INFO L226 Difference]: Without dead ends: 14716 [2019-09-08 18:49:32,736 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 18:49:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14716 states. [2019-09-08 18:49:33,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14716 to 14319. [2019-09-08 18:49:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14319 states. [2019-09-08 18:49:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14319 states to 14319 states and 19487 transitions. [2019-09-08 18:49:33,259 INFO L78 Accepts]: Start accepts. Automaton has 14319 states and 19487 transitions. Word has length 223 [2019-09-08 18:49:33,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:33,260 INFO L475 AbstractCegarLoop]: Abstraction has 14319 states and 19487 transitions. [2019-09-08 18:49:33,260 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 14319 states and 19487 transitions. [2019-09-08 18:49:33,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-09-08 18:49:33,274 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:33,274 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:33,275 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:33,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:33,275 INFO L82 PathProgramCache]: Analyzing trace with hash -812386916, now seen corresponding path program 1 times [2019-09-08 18:49:33,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:33,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:33,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:33,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:33,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-09-08 18:49:33,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:33,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 18:49:33,675 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:49:33,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:49:33,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:33,680 INFO L87 Difference]: Start difference. First operand 14319 states and 19487 transitions. Second operand 7 states. [2019-09-08 18:49:33,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:33,975 INFO L93 Difference]: Finished difference Result 15057 states and 20344 transitions. [2019-09-08 18:49:33,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:49:33,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 231 [2019-09-08 18:49:33,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:34,015 INFO L225 Difference]: With dead ends: 15057 [2019-09-08 18:49:34,016 INFO L226 Difference]: Without dead ends: 10042 [2019-09-08 18:49:34,033 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:34,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10042 states. [2019-09-08 18:49:34,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10042 to 10042. [2019-09-08 18:49:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10042 states. [2019-09-08 18:49:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10042 states to 10042 states and 13460 transitions. [2019-09-08 18:49:34,438 INFO L78 Accepts]: Start accepts. Automaton has 10042 states and 13460 transitions. Word has length 231 [2019-09-08 18:49:34,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:34,438 INFO L475 AbstractCegarLoop]: Abstraction has 10042 states and 13460 transitions. [2019-09-08 18:49:34,438 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:49:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 10042 states and 13460 transitions. [2019-09-08 18:49:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-09-08 18:49:34,451 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:34,451 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:34,451 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:34,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:34,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1572255227, now seen corresponding path program 1 times [2019-09-08 18:49:34,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:34,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:34,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:34,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:34,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2019-09-08 18:49:34,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:34,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:34,800 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:34,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:34,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:34,801 INFO L87 Difference]: Start difference. First operand 10042 states and 13460 transitions. Second operand 3 states. [2019-09-08 18:49:37,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:37,697 INFO L93 Difference]: Finished difference Result 22071 states and 29343 transitions. [2019-09-08 18:49:37,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:37,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-09-08 18:49:37,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:37,745 INFO L225 Difference]: With dead ends: 22071 [2019-09-08 18:49:37,745 INFO L226 Difference]: Without dead ends: 12106 [2019-09-08 18:49:37,772 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 18:49:37,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12106 states. [2019-09-08 18:49:38,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12106 to 12017. [2019-09-08 18:49:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12017 states. [2019-09-08 18:49:38,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12017 states to 12017 states and 15850 transitions. [2019-09-08 18:49:38,215 INFO L78 Accepts]: Start accepts. Automaton has 12017 states and 15850 transitions. Word has length 238 [2019-09-08 18:49:38,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:38,216 INFO L475 AbstractCegarLoop]: Abstraction has 12017 states and 15850 transitions. [2019-09-08 18:49:38,216 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12017 states and 15850 transitions. [2019-09-08 18:49:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-08 18:49:38,229 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:38,230 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:38,230 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:38,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:38,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1121762217, now seen corresponding path program 1 times [2019-09-08 18:49:38,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:38,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:38,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:38,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:38,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2019-09-08 18:49:38,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:38,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:38,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:38,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:38,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:38,577 INFO L87 Difference]: Start difference. First operand 12017 states and 15850 transitions. Second operand 3 states. [2019-09-08 18:49:39,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:39,005 INFO L93 Difference]: Finished difference Result 23977 states and 31973 transitions. [2019-09-08 18:49:39,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:39,006 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-09-08 18:49:39,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:39,049 INFO L225 Difference]: With dead ends: 23977 [2019-09-08 18:49:39,049 INFO L226 Difference]: Without dead ends: 12037 [2019-09-08 18:49:39,082 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 18:49:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12037 states. [2019-09-08 18:49:39,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12037 to 12037. [2019-09-08 18:49:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12037 states. [2019-09-08 18:49:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12037 states to 12037 states and 15870 transitions. [2019-09-08 18:49:39,503 INFO L78 Accepts]: Start accepts. Automaton has 12037 states and 15870 transitions. Word has length 249 [2019-09-08 18:49:39,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:39,504 INFO L475 AbstractCegarLoop]: Abstraction has 12037 states and 15870 transitions. [2019-09-08 18:49:39,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 12037 states and 15870 transitions. [2019-09-08 18:49:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-09-08 18:49:39,517 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:39,518 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:39,518 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:39,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:39,518 INFO L82 PathProgramCache]: Analyzing trace with hash -205801232, now seen corresponding path program 1 times [2019-09-08 18:49:39,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:39,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:39,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:39,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:39,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2019-09-08 18:49:39,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:39,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:39,957 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:39,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:39,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:39,958 INFO L87 Difference]: Start difference. First operand 12037 states and 15870 transitions. Second operand 3 states. [2019-09-08 18:49:40,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:40,347 INFO L93 Difference]: Finished difference Result 23847 states and 32411 transitions. [2019-09-08 18:49:40,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:40,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2019-09-08 18:49:40,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:40,395 INFO L225 Difference]: With dead ends: 23847 [2019-09-08 18:49:40,395 INFO L226 Difference]: Without dead ends: 11887 [2019-09-08 18:49:40,431 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 18:49:40,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11887 states. [2019-09-08 18:49:40,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11887 to 11887. [2019-09-08 18:49:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11887 states. [2019-09-08 18:49:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11887 states to 11887 states and 15478 transitions. [2019-09-08 18:49:41,017 INFO L78 Accepts]: Start accepts. Automaton has 11887 states and 15478 transitions. Word has length 256 [2019-09-08 18:49:41,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:41,017 INFO L475 AbstractCegarLoop]: Abstraction has 11887 states and 15478 transitions. [2019-09-08 18:49:41,018 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:41,018 INFO L276 IsEmpty]: Start isEmpty. Operand 11887 states and 15478 transitions. [2019-09-08 18:49:41,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-08 18:49:41,030 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:41,030 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:41,031 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:41,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:41,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1205901929, now seen corresponding path program 1 times [2019-09-08 18:49:41,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:41,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:41,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:41,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:41,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:41,372 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2019-09-08 18:49:41,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:41,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:49:41,373 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:49:41,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:49:41,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:49:41,373 INFO L87 Difference]: Start difference. First operand 11887 states and 15478 transitions. Second operand 3 states. [2019-09-08 18:49:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:43,976 INFO L93 Difference]: Finished difference Result 23699 states and 31194 transitions. [2019-09-08 18:49:43,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:49:43,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 249 [2019-09-08 18:49:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:44,005 INFO L225 Difference]: With dead ends: 23699 [2019-09-08 18:49:44,005 INFO L226 Difference]: Without dead ends: 11889 [2019-09-08 18:49:44,027 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 18:49:44,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11889 states. [2019-09-08 18:49:44,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11889 to 11665. [2019-09-08 18:49:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11665 states. [2019-09-08 18:49:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11665 states to 11665 states and 14802 transitions. [2019-09-08 18:49:44,310 INFO L78 Accepts]: Start accepts. Automaton has 11665 states and 14802 transitions. Word has length 249 [2019-09-08 18:49:44,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:44,311 INFO L475 AbstractCegarLoop]: Abstraction has 11665 states and 14802 transitions. [2019-09-08 18:49:44,311 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:49:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 11665 states and 14802 transitions. [2019-09-08 18:49:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-08 18:49:44,321 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:44,321 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:44,321 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:44,322 INFO L82 PathProgramCache]: Analyzing trace with hash -832154360, now seen corresponding path program 1 times [2019-09-08 18:49:44,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:44,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:44,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:44,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:44,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2019-09-08 18:49:44,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:44,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 18:49:44,792 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:49:44,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:49:44,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:44,793 INFO L87 Difference]: Start difference. First operand 11665 states and 14802 transitions. Second operand 7 states. [2019-09-08 18:49:45,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:45,207 INFO L93 Difference]: Finished difference Result 23089 states and 29661 transitions. [2019-09-08 18:49:45,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:49:45,207 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 249 [2019-09-08 18:49:45,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:45,244 INFO L225 Difference]: With dead ends: 23089 [2019-09-08 18:49:45,244 INFO L226 Difference]: Without dead ends: 11501 [2019-09-08 18:49:45,268 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:45,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11501 states. [2019-09-08 18:49:45,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11501 to 11471. [2019-09-08 18:49:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11471 states. [2019-09-08 18:49:45,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11471 states to 11471 states and 14518 transitions. [2019-09-08 18:49:45,584 INFO L78 Accepts]: Start accepts. Automaton has 11471 states and 14518 transitions. Word has length 249 [2019-09-08 18:49:45,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:45,585 INFO L475 AbstractCegarLoop]: Abstraction has 11471 states and 14518 transitions. [2019-09-08 18:49:45,585 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:49:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 11471 states and 14518 transitions. [2019-09-08 18:49:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-09-08 18:49:45,600 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:45,601 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:45,601 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:45,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:45,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1272405815, now seen corresponding path program 1 times [2019-09-08 18:49:45,602 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:45,602 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:45,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:45,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:45,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:46,208 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2019-09-08 18:49:46,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:46,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:49:46,212 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:49:46,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:49:46,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:49:46,213 INFO L87 Difference]: Start difference. First operand 11471 states and 14518 transitions. Second operand 5 states. [2019-09-08 18:49:46,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:46,545 INFO L93 Difference]: Finished difference Result 23005 states and 29361 transitions. [2019-09-08 18:49:46,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:49:46,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 255 [2019-09-08 18:49:46,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:46,590 INFO L225 Difference]: With dead ends: 23005 [2019-09-08 18:49:46,590 INFO L226 Difference]: Without dead ends: 11611 [2019-09-08 18:49:46,616 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:49:46,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11611 states. [2019-09-08 18:49:46,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11611 to 11571. [2019-09-08 18:49:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11571 states. [2019-09-08 18:49:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11571 states to 11571 states and 14672 transitions. [2019-09-08 18:49:46,920 INFO L78 Accepts]: Start accepts. Automaton has 11571 states and 14672 transitions. Word has length 255 [2019-09-08 18:49:46,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:46,920 INFO L475 AbstractCegarLoop]: Abstraction has 11571 states and 14672 transitions. [2019-09-08 18:49:46,920 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:49:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 11571 states and 14672 transitions. [2019-09-08 18:49:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2019-09-08 18:49:46,934 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:46,934 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 18:49:46,935 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:46,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:46,935 INFO L82 PathProgramCache]: Analyzing trace with hash 2036917767, now seen corresponding path program 1 times [2019-09-08 18:49:46,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:46,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:46,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:46,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:46,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:47,304 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2019-09-08 18:49:47,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:47,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 18:49:47,305 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:49:47,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:49:47,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:47,306 INFO L87 Difference]: Start difference. First operand 11571 states and 14672 transitions. Second operand 7 states. [2019-09-08 18:49:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:47,579 INFO L93 Difference]: Finished difference Result 23015 states and 29442 transitions. [2019-09-08 18:49:47,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 18:49:47,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 266 [2019-09-08 18:49:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:47,618 INFO L225 Difference]: With dead ends: 23015 [2019-09-08 18:49:47,619 INFO L226 Difference]: Without dead ends: 11521 [2019-09-08 18:49:47,641 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:47,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11521 states. [2019-09-08 18:49:47,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11521 to 11511. [2019-09-08 18:49:47,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11511 states. [2019-09-08 18:49:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11511 states to 11511 states and 14570 transitions. [2019-09-08 18:49:47,920 INFO L78 Accepts]: Start accepts. Automaton has 11511 states and 14570 transitions. Word has length 266 [2019-09-08 18:49:47,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:47,921 INFO L475 AbstractCegarLoop]: Abstraction has 11511 states and 14570 transitions. [2019-09-08 18:49:47,921 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:49:47,921 INFO L276 IsEmpty]: Start isEmpty. Operand 11511 states and 14570 transitions. [2019-09-08 18:49:47,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-09-08 18:49:47,930 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:47,931 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:49:47,931 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:47,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:47,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1511939687, now seen corresponding path program 1 times [2019-09-08 18:49:47,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:47,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:47,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:47,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:47,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2019-09-08 18:49:48,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:49:48,692 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 18:49:48,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:49,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 4721 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 18:49:50,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 18:49:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2019-09-08 18:49:50,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:49:50,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2019-09-08 18:49:50,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 18:49:50,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 18:49:50,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-08 18:49:50,490 INFO L87 Difference]: Start difference. First operand 11511 states and 14570 transitions. Second operand 10 states. [2019-09-08 18:49:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:51,223 INFO L93 Difference]: Finished difference Result 23142 states and 29367 transitions. [2019-09-08 18:49:51,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 18:49:51,224 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 277 [2019-09-08 18:49:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:51,340 INFO L225 Difference]: With dead ends: 23142 [2019-09-08 18:49:51,340 INFO L226 Difference]: Without dead ends: 11640 [2019-09-08 18:49:51,391 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 275 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 18:49:51,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11640 states. [2019-09-08 18:49:51,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11640 to 11540. [2019-09-08 18:49:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11540 states. [2019-09-08 18:49:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11540 states to 11540 states and 14589 transitions. [2019-09-08 18:49:52,004 INFO L78 Accepts]: Start accepts. Automaton has 11540 states and 14589 transitions. Word has length 277 [2019-09-08 18:49:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:52,005 INFO L475 AbstractCegarLoop]: Abstraction has 11540 states and 14589 transitions. [2019-09-08 18:49:52,005 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 18:49:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 11540 states and 14589 transitions. [2019-09-08 18:49:52,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2019-09-08 18:49:52,035 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:52,035 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-08 18:49:52,036 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:52,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:52,036 INFO L82 PathProgramCache]: Analyzing trace with hash -872990871, now seen corresponding path program 1 times [2019-09-08 18:49:52,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:52,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:52,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:52,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:52,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2019-09-08 18:49:52,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:49:52,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:49:52,464 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:49:52,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:49:52,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:49:52,465 INFO L87 Difference]: Start difference. First operand 11540 states and 14589 transitions. Second operand 5 states. [2019-09-08 18:49:52,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:52,931 INFO L93 Difference]: Finished difference Result 22992 states and 29202 transitions. [2019-09-08 18:49:52,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:49:52,931 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 285 [2019-09-08 18:49:52,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:53,002 INFO L225 Difference]: With dead ends: 22992 [2019-09-08 18:49:53,002 INFO L226 Difference]: Without dead ends: 11530 [2019-09-08 18:49:53,049 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:49:53,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11530 states. [2019-09-08 18:49:53,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11530 to 11488. [2019-09-08 18:49:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11488 states. [2019-09-08 18:49:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11488 states to 11488 states and 14443 transitions. [2019-09-08 18:49:53,612 INFO L78 Accepts]: Start accepts. Automaton has 11488 states and 14443 transitions. Word has length 285 [2019-09-08 18:49:53,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:53,613 INFO L475 AbstractCegarLoop]: Abstraction has 11488 states and 14443 transitions. [2019-09-08 18:49:53,613 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:49:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 11488 states and 14443 transitions. [2019-09-08 18:49:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-09-08 18:49:53,634 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:53,634 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:49:53,635 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:53,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:53,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1748813459, now seen corresponding path program 1 times [2019-09-08 18:49:53,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:53,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:53,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:53,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:53,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:54,094 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2019-09-08 18:49:54,095 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 18:49:54,096 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) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 18:49:54,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:49:55,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 4802 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 18:49:55,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 18:49:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2019-09-08 18:49:55,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 18:49:55,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2019-09-08 18:49:55,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 18:49:55,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 18:49:55,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 18:49:55,460 INFO L87 Difference]: Start difference. First operand 11488 states and 14443 transitions. Second operand 7 states. [2019-09-08 18:49:58,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:49:58,693 INFO L93 Difference]: Finished difference Result 22602 states and 28503 transitions. [2019-09-08 18:49:58,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 18:49:58,694 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 288 [2019-09-08 18:49:58,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:49:58,756 INFO L225 Difference]: With dead ends: 22602 [2019-09-08 18:49:58,757 INFO L226 Difference]: Without dead ends: 11129 [2019-09-08 18:49:58,787 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 18:49:58,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11129 states. [2019-09-08 18:49:59,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11129 to 11120. [2019-09-08 18:49:59,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11120 states. [2019-09-08 18:49:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11120 states to 11120 states and 13873 transitions. [2019-09-08 18:49:59,328 INFO L78 Accepts]: Start accepts. Automaton has 11120 states and 13873 transitions. Word has length 288 [2019-09-08 18:49:59,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:49:59,329 INFO L475 AbstractCegarLoop]: Abstraction has 11120 states and 13873 transitions. [2019-09-08 18:49:59,330 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 18:49:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 11120 states and 13873 transitions. [2019-09-08 18:49:59,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2019-09-08 18:49:59,356 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:49:59,357 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:49:59,357 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:49:59,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:49:59,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1370850485, now seen corresponding path program 1 times [2019-09-08 18:49:59,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:49:59,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:49:59,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:59,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:49:59,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:49:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:52:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-09-08 18:52:10,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:52:10,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 18:52:10,650 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 18:52:10,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 18:52:10,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 18:52:10,651 INFO L87 Difference]: Start difference. First operand 11120 states and 13873 transitions. Second operand 3 states. [2019-09-08 18:52:11,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:52:11,054 INFO L93 Difference]: Finished difference Result 22226 states and 27766 transitions. [2019-09-08 18:52:11,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 18:52:11,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 424 [2019-09-08 18:52:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:52:11,100 INFO L225 Difference]: With dead ends: 22226 [2019-09-08 18:52:11,100 INFO L226 Difference]: Without dead ends: 11184 [2019-09-08 18:52:11,132 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 18:52:11,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11184 states. [2019-09-08 18:52:11,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11184 to 11128. [2019-09-08 18:52:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11128 states. [2019-09-08 18:52:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11128 states to 11128 states and 13881 transitions. [2019-09-08 18:52:11,539 INFO L78 Accepts]: Start accepts. Automaton has 11128 states and 13881 transitions. Word has length 424 [2019-09-08 18:52:11,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:52:11,540 INFO L475 AbstractCegarLoop]: Abstraction has 11128 states and 13881 transitions. [2019-09-08 18:52:11,540 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 18:52:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11128 states and 13881 transitions. [2019-09-08 18:52:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-09-08 18:52:11,557 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:52:11,558 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:52:11,559 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:52:11,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:52:11,559 INFO L82 PathProgramCache]: Analyzing trace with hash -2063167639, now seen corresponding path program 1 times [2019-09-08 18:52:11,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:52:11,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:52:11,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:52:11,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:52:11,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:52:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:54:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-09-08 18:54:18,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:54:18,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-08 18:54:18,781 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 18:54:18,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 18:54:18,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-08 18:54:18,782 INFO L87 Difference]: Start difference. First operand 11128 states and 13881 transitions. Second operand 11 states. [2019-09-08 18:54:19,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:54:19,306 INFO L93 Difference]: Finished difference Result 22298 states and 27806 transitions. [2019-09-08 18:54:19,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 18:54:19,307 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 425 [2019-09-08 18:54:19,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:54:19,347 INFO L225 Difference]: With dead ends: 22298 [2019-09-08 18:54:19,347 INFO L226 Difference]: Without dead ends: 11248 [2019-09-08 18:54:19,373 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-08 18:54:19,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11248 states. [2019-09-08 18:54:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11248 to 11240. [2019-09-08 18:54:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11240 states. [2019-09-08 18:54:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11240 states to 11240 states and 13993 transitions. [2019-09-08 18:54:19,754 INFO L78 Accepts]: Start accepts. Automaton has 11240 states and 13993 transitions. Word has length 425 [2019-09-08 18:54:19,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:54:19,755 INFO L475 AbstractCegarLoop]: Abstraction has 11240 states and 13993 transitions. [2019-09-08 18:54:19,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 18:54:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 11240 states and 13993 transitions. [2019-09-08 18:54:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-09-08 18:54:19,772 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:54:19,773 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:54:19,773 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:54:19,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:54:19,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1813066360, now seen corresponding path program 1 times [2019-09-08 18:54:19,774 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:54:19,774 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:54:19,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:54:19,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:54:19,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:54:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:56:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-09-08 18:56:25,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:56:25,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 18:56:25,627 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 18:56:25,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 18:56:25,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 18:56:25,629 INFO L87 Difference]: Start difference. First operand 11240 states and 13993 transitions. Second operand 4 states. [2019-09-08 18:56:26,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:56:26,054 INFO L93 Difference]: Finished difference Result 22434 states and 27950 transitions. [2019-09-08 18:56:26,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 18:56:26,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 425 [2019-09-08 18:56:26,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:56:26,100 INFO L225 Difference]: With dead ends: 22434 [2019-09-08 18:56:26,101 INFO L226 Difference]: Without dead ends: 11240 [2019-09-08 18:56:26,123 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:56:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11240 states. [2019-09-08 18:56:26,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11240 to 11240. [2019-09-08 18:56:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11240 states. [2019-09-08 18:56:26,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11240 states to 11240 states and 13985 transitions. [2019-09-08 18:56:26,494 INFO L78 Accepts]: Start accepts. Automaton has 11240 states and 13985 transitions. Word has length 425 [2019-09-08 18:56:26,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:56:26,495 INFO L475 AbstractCegarLoop]: Abstraction has 11240 states and 13985 transitions. [2019-09-08 18:56:26,495 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 18:56:26,495 INFO L276 IsEmpty]: Start isEmpty. Operand 11240 states and 13985 transitions. [2019-09-08 18:56:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-09-08 18:56:26,510 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:56:26,510 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 18:56:26,510 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:56:26,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:56:26,511 INFO L82 PathProgramCache]: Analyzing trace with hash -213917302, now seen corresponding path program 1 times [2019-09-08 18:56:26,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:56:26,511 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:56:26,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:56:26,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:56:26,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:56:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 18:58:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-09-08 18:58:32,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 18:58:32,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 18:58:32,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 18:58:32,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 18:58:32,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:58:32,518 INFO L87 Difference]: Start difference. First operand 11240 states and 13985 transitions. Second operand 5 states. [2019-09-08 18:58:32,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 18:58:32,854 INFO L93 Difference]: Finished difference Result 22522 states and 28054 transitions. [2019-09-08 18:58:32,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 18:58:32,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 425 [2019-09-08 18:58:32,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 18:58:32,891 INFO L225 Difference]: With dead ends: 22522 [2019-09-08 18:58:32,891 INFO L226 Difference]: Without dead ends: 11360 [2019-09-08 18:58:32,915 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 18:58:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11360 states. [2019-09-08 18:58:33,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11360 to 11272. [2019-09-08 18:58:33,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11272 states. [2019-09-08 18:58:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11272 states to 11272 states and 14017 transitions. [2019-09-08 18:58:33,306 INFO L78 Accepts]: Start accepts. Automaton has 11272 states and 14017 transitions. Word has length 425 [2019-09-08 18:58:33,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 18:58:33,307 INFO L475 AbstractCegarLoop]: Abstraction has 11272 states and 14017 transitions. [2019-09-08 18:58:33,307 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 18:58:33,307 INFO L276 IsEmpty]: Start isEmpty. Operand 11272 states and 14017 transitions. [2019-09-08 18:58:33,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2019-09-08 18:58:33,322 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 18:58:33,323 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-09-08 18:58:33,323 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 18:58:33,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 18:58:33,323 INFO L82 PathProgramCache]: Analyzing trace with hash 356453460, now seen corresponding path program 1 times [2019-09-08 18:58:33,324 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 18:58:33,324 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 18:58:33,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:58:33,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 18:58:33,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 18:58:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:00:49,774 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-09-08 19:00:49,775 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 19:00:49,775 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 19:00:49,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:00:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 19:00:51,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 5707 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 19:00:51,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 19:00:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2019-09-08 19:00:51,274 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 19:00:51,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-09-08 19:00:51,275 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 19:00:51,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 19:00:51,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 19:00:51,276 INFO L87 Difference]: Start difference. First operand 11272 states and 14017 transitions. Second operand 7 states. [2019-09-08 19:00:53,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 19:00:53,707 INFO L93 Difference]: Finished difference Result 22640 states and 28239 transitions. [2019-09-08 19:00:53,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 19:00:53,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 436 [2019-09-08 19:00:53,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 19:00:53,733 INFO L225 Difference]: With dead ends: 22640 [2019-09-08 19:00:53,733 INFO L226 Difference]: Without dead ends: 11446 [2019-09-08 19:00:53,747 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 19:00:53,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11446 states. [2019-09-08 19:00:53,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11446 to 11320. [2019-09-08 19:00:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11320 states. [2019-09-08 19:00:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11320 states to 11320 states and 14101 transitions. [2019-09-08 19:00:54,015 INFO L78 Accepts]: Start accepts. Automaton has 11320 states and 14101 transitions. Word has length 436 [2019-09-08 19:00:54,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 19:00:54,016 INFO L475 AbstractCegarLoop]: Abstraction has 11320 states and 14101 transitions. [2019-09-08 19:00:54,016 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 19:00:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 11320 states and 14101 transitions. [2019-09-08 19:00:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2019-09-08 19:00:54,031 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 19:00:54,032 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2019-09-08 19:00:54,032 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 19:00:54,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 19:00:54,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1146657358, now seen corresponding path program 1 times [2019-09-08 19:00:54,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 19:00:54,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 19:00:54,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:00:54,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 19:00:54,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 19:00:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat